| 1. 1 pt(s). |
How many different kinds of electric charge are there? | |
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A. | 1 |
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B. | 2 |
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C. | 3 |
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D. | more than 3 |
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| 2. 1 pt(s). |
The current which lights the bulbs is made of
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A. | conductors | |
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B. | insulators | |
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C. | moving atoms | |
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D. | moving electrons | |
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| 3. 1 pt(s). |
In which of these circuits will the bulb light? | ||
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A. |
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B. |
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C. |
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D. |
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| 4. 1 pt(s). |
In the circuit shown below, the bulbs are connected in
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A. | series | |
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B. | neutral | |
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C. | parallel | |
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| 5. 1 pt(s). |
Examine the circuit below. The bulbs are connected in
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A. | series | |
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B. | neutral | |
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C. | parallel | |
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| 6. 1 pt(s). |
In the circuit below, if bulb P is unscrewed and goes out
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A. | bulb Q also goes out | |
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B. | bulb R also goes out | |
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C. | both bulbs Q and R go out | |
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D. | both bulbs Q and R stay on | |
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| 7. 1 pt(s). |
In the circuit below, if bulb L is removed, bulb M
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A. | goes out | |
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B. | gets dimmer | |
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C. | gets brighter | |
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D. | stays the same | |
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| 8. 1 pt(s). |
This is the symbol for a
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A. | bulb | |
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B. | ammeter | |
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C. | switch | |
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D. | battery | |
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E. | voltmeter | |
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| 9. 1 pt(s). |
This is the symbol for a
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A. | bulb | |
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B. | ammeter | |
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C. | switch | |
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D. | battery | |
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E. | voltmeter | |
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| 10. 1 pt(s). |
In the circuit diagram below, for bulb K to light up,
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A. | only switch X must be closed | |
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B. | only switch Y must be closed | |
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C. | both switch X and Y must be closed | |
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D. | neither switch X nor Y need be closed | |
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| 11. 1 pt(s). |
The symbol for a resistor is | ||
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A. |
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B. |
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C. |
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D. |
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E. |
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F. |
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| 12. 1 pt(s). |
Electric charges are called | |
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A. | north and south |
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B. | live and neutral |
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C. | positive and negative |
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D. | attraction and repulsion |
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| 13. 1 pt(s). |
Rubbing a plastic comb will make it
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A. | heavier | |
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B. | lighter | |
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C. | charged | |
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D. | conduct | |
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E. | explode | |
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| 14. 1 pt(s). |
The strips are rubbed with a duster. Both strips gain a positive charge. They will
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A. | light up | |
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B. | not move | |
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C. | move together | |
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D. | move apart | |
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| 15. 1 pt(s). |
Two balloons are rubbed with a duster and left as shown. They will
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A. | come together | |
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B. | get bigger | |
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C. | get smaller | |
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D. | not move | |
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E. | move apart | |
