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