1. 1 pt(s). |
How many different kinds of electric charge are there? | |
A. | 1 | |
B. | 2 | |
C. | 3 | |
D. | more than 3 |
2. 1 pt(s). |
The current which lights the bulbs is made of
|
||
A. | conductors | ||
B. | insulators | ||
C. | moving atoms | ||
D. | moving electrons |
3. 1 pt(s). |
In which of these circuits will the bulb light? | ||
A. |
|
||
B. |
|
||
C. |
|
||
D. |
|
4. 1 pt(s). |
In the circuit shown below, the bulbs are connected in
|
||
A. | series | ||
B. | neutral | ||
C. | parallel |
5. 1 pt(s). |
Examine the circuit below. The bulbs are connected in
|
||
A. | series | ||
B. | neutral | ||
C. | parallel |
6. 1 pt(s). |
In the circuit below, if bulb P is unscrewed and goes out
|
||
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 |
7. 1 pt(s). |
In the circuit below, if bulb L is removed, bulb M
|
||
A. | goes out | ||
B. | gets dimmer | ||
C. | gets brighter | ||
D. | stays the same |
8. 1 pt(s). |
This is the symbol for a
|
||
A. | bulb | ||
B. | ammeter | ||
C. | switch | ||
D. | battery | ||
E. | voltmeter |
9. 1 pt(s). |
This is the symbol for a
|
||
A. | bulb | ||
B. | ammeter | ||
C. | switch | ||
D. | battery | ||
E. | voltmeter |
10. 1 pt(s). |
In the circuit diagram below, for bulb K to light up,
|
||
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 |
11. 1 pt(s). |
The symbol for a resistor is | ||
A. |
|
||
B. |
|
||
C. |
|
||
D. |
|
||
E. |
|
||
F. |
|
12. 1 pt(s). |
Electric charges are called | |
A. | north and south | |
B. | live and neutral | |
C. | positive and negative | |
D. | attraction and repulsion |
13. 1 pt(s). |
Rubbing a plastic comb will make it
|
||
A. | heavier | ||
B. | lighter | ||
C. | charged | ||
D. | conduct | ||
E. | explode |
14. 1 pt(s). |
The strips are rubbed with a duster. Both strips gain a positive charge. They will
|
||
A. | light up | ||
B. | not move | ||
C. | move together | ||
D. | move apart |
15. 1 pt(s). |
Two balloons are rubbed with a duster and left as shown. They will
|
||
A. | come together | ||
B. | get bigger | ||
C. | get smaller | ||
D. | not move | ||
E. | move apart |