{"id":43,"date":"2014-10-19T07:03:23","date_gmt":"2014-10-19T07:03:23","guid":{"rendered":"http:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysu2hwrk\/?page_id=43"},"modified":"2014-10-19T07:03:23","modified_gmt":"2014-10-19T07:03:23","slug":"electricity-energy-exercise-5","status":"publish","type":"page","link":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysu2hwrk\/electricity-energy-exercise-5\/","title":{"rendered":"Electricity &amp; Energy Exercise 5"},"content":{"rendered":"<p>1.\tCalculate the total resistance between X and Y in these circuits:<br \/>\n<a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecphysu2hwrk\/uploads\/sites\/5086\/2014\/10\/ElecEn-1_5a.png\"><img decoding=\"async\" src=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecphysu2hwrk\/uploads\/sites\/5086\/2014\/10\/ElecEn-1_5a.png\" alt=\"\" title=\"ElecEn 1_5a\" width=\"752\" height=\"451\" class=\"aligncenter size-full wp-image-44\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecphysu2hwrk\/uploads\/sites\/5086\/2014\/10\/ElecEn-1_5a.png 752w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/hyndsecphysu2hwrk\/uploads\/sites\/5086\/2014\/10\/ElecEn-1_5a-300x179.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEKD%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIFGTYH72vUmmrvnD0XhFg8vyQw59TlNmY%2BDvWVYVgppkAiEAt3bGbv%2FMtcui%2FkPRw0xL4eluZcxzvKiRjF5l2%2FnLy%2F0quQUIaRAFGgwyNzM1NzAxOTU0MzMiDCr%2Bt8gAnmwv4DTB6SqWBYvg%2BNgfz7CFcQuPjt0FK0JkQQ86gMThEO7AHllk1%2FLzLygGVKZqQXluVrRai8UwhDBkt56GHuSHP0bb2qEUWA8nEPXQGK7XvmL5SDEKjzN9q7dfKqBMji6SsnRwrMvPpBmKMzXohQdkKv0s6QeUTYUDh5D3H%2Bsz1UdSMlF2pj0i0KYpu5d9EEtjIdEJdo6wnCqsvb74nmBvOeQ%2F8ADqsIwMWGsu6F7vMICq%2BPMQKNdvPW95Qr2syvYJQsywe32kuQN1l6OzUB1DsOZsbeFXKZB3yW0L21vlrPlPasjV9v2DuiG47PaHadYL2q5Y78j0dZgFRjH%2FCUjEJVljPQH7zTJhDG7llnTz6wTguWqQcdD4rNe0oM%2F8whszD%2Fi%2BWcnV3TewEhHhf12QjHvudbun6PcAUzCp2KzFncTswwiPaTBDxQ7rmhZJtRy5HvyOcNBobHYaoqdGCEYz9fW%2FiXc2jZ5NfQEo4vpFBZCKhNSzwKvotCi3fgSfe4R6rg33oeDmDmM9jbHN5Sk%2FzxOrmitRf5l7GSGsb7fxoR1ye9Ohb0u2mzbscXkMcKpfe0k7L5UjzgwPCGVahW4FjpNVnjfcIVyyAMLyzguIZ99xrXV8mL3s3OgiKtCB%2B98lScMWqNY6nwfwOdxfmteyU%2FPdI1CDVPyi8JSq5Azef4l6FM45Ct0gCtAplrIWdNx1ysIIj1udKoQ%2BCfJGYsxjbLQnW%2FfayH7wiy6OdX3w53EBngXTP2kXCiRc67KDZOTgKotRMpOZ4VgMpNPSBog7KektGG4n5ERNBHxKbVPJUebD8KqZjggMXVhGX6SfCr10DTY8H1S8872uJvOUlJiMrySgwxAVajLA2JCTRCj5DFHvOwfktC8hxmw0TxYlMO%2FB29MGOrEBPmKmMfZUcWFMraPM8qsIfMUix1nsqNYq151GIMGbwED4iHjJ7m%2FJSo497vPpp9N2ZbPctLGnDYY%2FSOJFB90WOCHVnlpS935USzC9QvQi1EfpcmrboPuZckEHHFRJ8jRS7Udu86iX2wZs9RRTdNb8UDB6b%2Fy%2FU0fnrILWcUVcHzI2tvlP5gh94mb4J7DSYPMoFVAfNR%2FdGi2yYQEqnZVScsdeRTiAf8%2BiJJZzlofHe2Zc&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UYBPTEFSL%2F20260808%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260808T081527Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=5c849f552a954e1684bfe457d295969af9656e602493b9825c46e153438a5cdd 300w\" sizes=\"(max-width: 752px) 100vw, 752px\" \/><\/a><\/p>\n<p>2.\tIn a science lesson, a student is given three 1.2 k\u03a9 resistors.<br \/>\n<a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecphysu2hwrk\/uploads\/sites\/5086\/2014\/10\/ElecEn-1_5b.png\"><img decoding=\"async\" src=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecphysu2hwrk\/uploads\/sites\/5086\/2014\/10\/ElecEn-1_5b.png\" alt=\"\" title=\"ElecEn 1_5b\" width=\"682\" height=\"68\" class=\"aligncenter size-full wp-image-45\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecphysu2hwrk\/uploads\/sites\/5086\/2014\/10\/ElecEn-1_5b.png 682w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/hyndsecphysu2hwrk\/uploads\/sites\/5086\/2014\/10\/ElecEn-1_5b-300x29.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEKD%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIFGTYH72vUmmrvnD0XhFg8vyQw59TlNmY%2BDvWVYVgppkAiEAt3bGbv%2FMtcui%2FkPRw0xL4eluZcxzvKiRjF5l2%2FnLy%2F0quQUIaRAFGgwyNzM1NzAxOTU0MzMiDCr%2Bt8gAnmwv4DTB6SqWBYvg%2BNgfz7CFcQuPjt0FK0JkQQ86gMThEO7AHllk1%2FLzLygGVKZqQXluVrRai8UwhDBkt56GHuSHP0bb2qEUWA8nEPXQGK7XvmL5SDEKjzN9q7dfKqBMji6SsnRwrMvPpBmKMzXohQdkKv0s6QeUTYUDh5D3H%2Bsz1UdSMlF2pj0i0KYpu5d9EEtjIdEJdo6wnCqsvb74nmBvOeQ%2F8ADqsIwMWGsu6F7vMICq%2BPMQKNdvPW95Qr2syvYJQsywe32kuQN1l6OzUB1DsOZsbeFXKZB3yW0L21vlrPlPasjV9v2DuiG47PaHadYL2q5Y78j0dZgFRjH%2FCUjEJVljPQH7zTJhDG7llnTz6wTguWqQcdD4rNe0oM%2F8whszD%2Fi%2BWcnV3TewEhHhf12QjHvudbun6PcAUzCp2KzFncTswwiPaTBDxQ7rmhZJtRy5HvyOcNBobHYaoqdGCEYz9fW%2FiXc2jZ5NfQEo4vpFBZCKhNSzwKvotCi3fgSfe4R6rg33oeDmDmM9jbHN5Sk%2FzxOrmitRf5l7GSGsb7fxoR1ye9Ohb0u2mzbscXkMcKpfe0k7L5UjzgwPCGVahW4FjpNVnjfcIVyyAMLyzguIZ99xrXV8mL3s3OgiKtCB%2B98lScMWqNY6nwfwOdxfmteyU%2FPdI1CDVPyi8JSq5Azef4l6FM45Ct0gCtAplrIWdNx1ysIIj1udKoQ%2BCfJGYsxjbLQnW%2FfayH7wiy6OdX3w53EBngXTP2kXCiRc67KDZOTgKotRMpOZ4VgMpNPSBog7KektGG4n5ERNBHxKbVPJUebD8KqZjggMXVhGX6SfCr10DTY8H1S8872uJvOUlJiMrySgwxAVajLA2JCTRCj5DFHvOwfktC8hxmw0TxYlMO%2FB29MGOrEBPmKmMfZUcWFMraPM8qsIfMUix1nsqNYq151GIMGbwED4iHjJ7m%2FJSo497vPpp9N2ZbPctLGnDYY%2FSOJFB90WOCHVnlpS935USzC9QvQi1EfpcmrboPuZckEHHFRJ8jRS7Udu86iX2wZs9RRTdNb8UDB6b%2Fy%2FU0fnrILWcUVcHzI2tvlP5gh94mb4J7DSYPMoFVAfNR%2FdGi2yYQEqnZVScsdeRTiAf8%2BiJJZzlofHe2Zc&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UYBPTEFSL%2F20260808%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260808T081527Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=e035a883e26a86c217715b4df28babf692c01b55cd5cfc07c89519594fd41e41 300w\" sizes=\"(max-width: 682px) 100vw, 682px\" \/><\/a><br \/>\nWhat is the lowest possible resistance that the student could achieve by combining these resistors in to a circuit? \t\t\t\t\t\t<\/p>\n<p>3.\tIn another science lesson, a student is given five 40 \u03a9 resistors.<br \/>\n<a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecphysu2hwrk\/uploads\/sites\/5086\/2014\/10\/ElecEn-1_5c.png\"><img decoding=\"async\" src=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecphysu2hwrk\/uploads\/sites\/5086\/2014\/10\/ElecEn-1_5c.png\" alt=\"\" title=\"ElecEn 1_5c\" width=\"682\" height=\"136\" class=\"aligncenter size-full wp-image-46\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecphysu2hwrk\/uploads\/sites\/5086\/2014\/10\/ElecEn-1_5c.png 682w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/hyndsecphysu2hwrk\/uploads\/sites\/5086\/2014\/10\/ElecEn-1_5c-300x59.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEKD%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIFGTYH72vUmmrvnD0XhFg8vyQw59TlNmY%2BDvWVYVgppkAiEAt3bGbv%2FMtcui%2FkPRw0xL4eluZcxzvKiRjF5l2%2FnLy%2F0quQUIaRAFGgwyNzM1NzAxOTU0MzMiDCr%2Bt8gAnmwv4DTB6SqWBYvg%2BNgfz7CFcQuPjt0FK0JkQQ86gMThEO7AHllk1%2FLzLygGVKZqQXluVrRai8UwhDBkt56GHuSHP0bb2qEUWA8nEPXQGK7XvmL5SDEKjzN9q7dfKqBMji6SsnRwrMvPpBmKMzXohQdkKv0s6QeUTYUDh5D3H%2Bsz1UdSMlF2pj0i0KYpu5d9EEtjIdEJdo6wnCqsvb74nmBvOeQ%2F8ADqsIwMWGsu6F7vMICq%2BPMQKNdvPW95Qr2syvYJQsywe32kuQN1l6OzUB1DsOZsbeFXKZB3yW0L21vlrPlPasjV9v2DuiG47PaHadYL2q5Y78j0dZgFRjH%2FCUjEJVljPQH7zTJhDG7llnTz6wTguWqQcdD4rNe0oM%2F8whszD%2Fi%2BWcnV3TewEhHhf12QjHvudbun6PcAUzCp2KzFncTswwiPaTBDxQ7rmhZJtRy5HvyOcNBobHYaoqdGCEYz9fW%2FiXc2jZ5NfQEo4vpFBZCKhNSzwKvotCi3fgSfe4R6rg33oeDmDmM9jbHN5Sk%2FzxOrmitRf5l7GSGsb7fxoR1ye9Ohb0u2mzbscXkMcKpfe0k7L5UjzgwPCGVahW4FjpNVnjfcIVyyAMLyzguIZ99xrXV8mL3s3OgiKtCB%2B98lScMWqNY6nwfwOdxfmteyU%2FPdI1CDVPyi8JSq5Azef4l6FM45Ct0gCtAplrIWdNx1ysIIj1udKoQ%2BCfJGYsxjbLQnW%2FfayH7wiy6OdX3w53EBngXTP2kXCiRc67KDZOTgKotRMpOZ4VgMpNPSBog7KektGG4n5ERNBHxKbVPJUebD8KqZjggMXVhGX6SfCr10DTY8H1S8872uJvOUlJiMrySgwxAVajLA2JCTRCj5DFHvOwfktC8hxmw0TxYlMO%2FB29MGOrEBPmKmMfZUcWFMraPM8qsIfMUix1nsqNYq151GIMGbwED4iHjJ7m%2FJSo497vPpp9N2ZbPctLGnDYY%2FSOJFB90WOCHVnlpS935USzC9QvQi1EfpcmrboPuZckEHHFRJ8jRS7Udu86iX2wZs9RRTdNb8UDB6b%2Fy%2FU0fnrILWcUVcHzI2tvlP5gh94mb4J7DSYPMoFVAfNR%2FdGi2yYQEqnZVScsdeRTiAf8%2BiJJZzlofHe2Zc&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UYBPTEFSL%2F20260808%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260808T081527Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=e2727cd83554614249c0f92e07d070ea1a956125d2810845d34665ddf462e6aa 300w\" sizes=\"(max-width: 682px) 100vw, 682px\" \/><\/a><br \/>\nShow how the student could combine all five resistors so that the total resistance of the circuit is:<br \/>\n<a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecphysu2hwrk\/uploads\/sites\/5086\/2014\/10\/ElecEn-1_5d.png\"><img decoding=\"async\" src=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecphysu2hwrk\/uploads\/sites\/5086\/2014\/10\/ElecEn-1_5d.png\" alt=\"\" title=\"ElecEn 1_5d\" width=\"706\" height=\"47\" class=\"aligncenter size-full wp-image-47\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecphysu2hwrk\/uploads\/sites\/5086\/2014\/10\/ElecEn-1_5d.png 706w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/hyndsecphysu2hwrk\/uploads\/sites\/5086\/2014\/10\/ElecEn-1_5d-300x19.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEKD%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIFGTYH72vUmmrvnD0XhFg8vyQw59TlNmY%2BDvWVYVgppkAiEAt3bGbv%2FMtcui%2FkPRw0xL4eluZcxzvKiRjF5l2%2FnLy%2F0quQUIaRAFGgwyNzM1NzAxOTU0MzMiDCr%2Bt8gAnmwv4DTB6SqWBYvg%2BNgfz7CFcQuPjt0FK0JkQQ86gMThEO7AHllk1%2FLzLygGVKZqQXluVrRai8UwhDBkt56GHuSHP0bb2qEUWA8nEPXQGK7XvmL5SDEKjzN9q7dfKqBMji6SsnRwrMvPpBmKMzXohQdkKv0s6QeUTYUDh5D3H%2Bsz1UdSMlF2pj0i0KYpu5d9EEtjIdEJdo6wnCqsvb74nmBvOeQ%2F8ADqsIwMWGsu6F7vMICq%2BPMQKNdvPW95Qr2syvYJQsywe32kuQN1l6OzUB1DsOZsbeFXKZB3yW0L21vlrPlPasjV9v2DuiG47PaHadYL2q5Y78j0dZgFRjH%2FCUjEJVljPQH7zTJhDG7llnTz6wTguWqQcdD4rNe0oM%2F8whszD%2Fi%2BWcnV3TewEhHhf12QjHvudbun6PcAUzCp2KzFncTswwiPaTBDxQ7rmhZJtRy5HvyOcNBobHYaoqdGCEYz9fW%2FiXc2jZ5NfQEo4vpFBZCKhNSzwKvotCi3fgSfe4R6rg33oeDmDmM9jbHN5Sk%2FzxOrmitRf5l7GSGsb7fxoR1ye9Ohb0u2mzbscXkMcKpfe0k7L5UjzgwPCGVahW4FjpNVnjfcIVyyAMLyzguIZ99xrXV8mL3s3OgiKtCB%2B98lScMWqNY6nwfwOdxfmteyU%2FPdI1CDVPyi8JSq5Azef4l6FM45Ct0gCtAplrIWdNx1ysIIj1udKoQ%2BCfJGYsxjbLQnW%2FfayH7wiy6OdX3w53EBngXTP2kXCiRc67KDZOTgKotRMpOZ4VgMpNPSBog7KektGG4n5ERNBHxKbVPJUebD8KqZjggMXVhGX6SfCr10DTY8H1S8872uJvOUlJiMrySgwxAVajLA2JCTRCj5DFHvOwfktC8hxmw0TxYlMO%2FB29MGOrEBPmKmMfZUcWFMraPM8qsIfMUix1nsqNYq151GIMGbwED4iHjJ7m%2FJSo497vPpp9N2ZbPctLGnDYY%2FSOJFB90WOCHVnlpS935USzC9QvQi1EfpcmrboPuZckEHHFRJ8jRS7Udu86iX2wZs9RRTdNb8UDB6b%2Fy%2FU0fnrILWcUVcHzI2tvlP5gh94mb4J7DSYPMoFVAfNR%2FdGi2yYQEqnZVScsdeRTiAf8%2BiJJZzlofHe2Zc&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UYBPTEFSL%2F20260808%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260808T081527Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=154a0662a083eaf86af5f4afbcd77def4e02a04e3ba74d0ebc5f71148f7b1128 300w\" sizes=\"(max-width: 706px) 100vw, 706px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. Calculate the total resistance between X and Y in these circuits: 2. In a science lesson, a student is given three 1.2 k\u03a9 resistors. What is the lowest possible resistance that the student could achieve by combining these resistors in to a circuit? 3. In another science lesson, a student is given five 40 &hellip; <a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysu2hwrk\/electricity-energy-exercise-5\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Electricity &amp; Energy Exercise 5<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2454,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":["post-43","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysu2hwrk\/wp-json\/wp\/v2\/pages\/43","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysu2hwrk\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysu2hwrk\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysu2hwrk\/wp-json\/wp\/v2\/users\/2454"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysu2hwrk\/wp-json\/wp\/v2\/comments?post=43"}],"version-history":[{"count":1,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysu2hwrk\/wp-json\/wp\/v2\/pages\/43\/revisions"}],"predecessor-version":[{"id":48,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysu2hwrk\/wp-json\/wp\/v2\/pages\/43\/revisions\/48"}],"wp:attachment":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysu2hwrk\/wp-json\/wp\/v2\/media?parent=43"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}