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- 1. Multiple Choice
This is a ....
series circuit
parallel circuit
neither
- 2. Multiple Choice
Which ammeter has the highest reading (the left bulb has a greater resistance than the right bulb)
A1
A2
A3
A4
None of them
- 3. Multiple Choice
The left hand bulb blows. What happens to the brightness of the right hand bulb?
It increases a little
It decreases a little
It increases a lot
It decreases a lot (it switches off in fact)
- 4. Multiple Choice
The bulbs have difference resistances. What can be said about the current and voltage
Current is the same in both bulbs, voltage is different across each
Current is the same in both bulbs, voltage is the same across each.
Current is different in both bulbs, voltage across each is the same
Current is different in both bulbs, voltage across each is different too.
- 5. Multiple Choice
Which bulbs are on if S1 is open and S2 and S3 are closed?
B1 off, B2 off, B3 off
B1 on, B2 off, B3 off
B1 off, B2 on, B3 on
B1 on, B2 off, B3 on
- 6. Multiple Choice
Which bulbs are on if S1 and S3 are closed and S2 is open?
B1 off, B2 off, B3 off
B1 on, B2 off, B3 off
B1 off, B2 on, B3 on
B1 on, B2 off, B3 on
B1 on, B2 on, B3 on
- 7. Multiple Choice
This is a
Series circuit
Parallel circuit
- 8. Multiple Choice
If the cell has a voltage of 1.5V and V1 = 1.0V. What does V2 equal?
0.0V
0.5V
1.0V
1.5V
2.0V
- 9. Multiple Choice
If V2 is greater than V1, what can we conclude?
B1 has a higher resistance and is dimmer
B2 has a higher resistance and is dimmer
B1 has a lower resistance and is dimmer
B2 has a lower resistance and is dimmer
- 10. Multiple Choice
If the top bulb has a higher resistance what can you say about the current?
A1 > A2 > A3
A1 > A3 > A2
A1 = A2 = A3
A2 = A3
- 11. Multiple Choice
A1 is 4A, A2 is 3A and A3 is 1A. Which statement is true?
The top bulb has the same resistance as the bottom bulb
The top bulb has a greater resistance than the bottom bulb
The top bulb has a lower resistance than the bottom bulb
These values are not possible with this circuit.
- 12. Multiple Choice
A1 is 4A, A2 is 3A and A3 is 1A. Which statement is true?
The voltage across the top bulb is greatest
The voltage across the bottom bulb is the greatest
The voltage across each bulb is equal
These values are not possible with this circuit.
- 13. Multiple Choice
The voltage across the top bulb is 6V and the voltage across the bottom bulb is 6V. What is the voltage across the supply?
0V
3V
6V
9V
12V
- 14. Multiple Choice
The switches are all closed. Which bulb is brightest
All the same brightness
B1 is brightest
B2 and B3 are brightest
B2 is brightest
B3 is brightest
- 15. Multiple Choice
Which statement is true if the bulbs have different resistances?
Current through each bulb is the same and the voltage across them is the same too
Current through each bulb is the same but the voltage is different across each one
Current through each bulb is the different and the voltage across each one is different too
Current through each bulb is different but the voltage across each bulb is the same
- 16. Multiple Choice
A1 is 500mA and A2 reads 100mA. What is A3?
500mA
400mA
100mA
0mA
Some other answer
- 17. Multiple Choice
A2 reads 2.2A and A3 reads 0.5A. Which bulb has the greatest resistance?
Both have the same resistance
The top bulb has a greater resistance
The bottom bulb has a greater resistance
- 18. Multiple Choice
The resistance of the variable resistor is increased. What happens in the circuit?
Current increases, bulb is brighter
Current increases, bulb is dimmer
Current decreases, bulb is brighter
Current decreases, bulb is dimmer
- 19. Multiple Choice
Initially there is 6V across the variable resistor and 3V across the bulb. The resistance of the variable resistor is increased. Which set of results could be true?
Vresistor = 6V and Vbulb = 3V
Vresistor = 8V and Vbulb = 1V
Vresistor = 7V and Vbulb = 4V
Vresistor = 5V and Vbulb = 4V
Vresistor = 4.5V and Vbulb = 4.5V
- 20. Multiple Choice
The first bulb has a resistance of 20 Ω and the second has a resistance of 30Ω. Which is true.
The total resistance is 10Ω
The total resistance is 50Ω
The bulbs are equally bright
The voltage is split evenly
The current through the 30Ω resistor is greater
- Answer choicesTagsAnswer choicesTags