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Tests
Name:
Electricity 2
Created By:
V. Gokal
Max Time:
4 mins
Select an option for each question and click Submit
1. The three bulbs are identical. If bulb C blows, then the brightness of the remaining bulbs will : Bulb A /Bulb B
unchanged / increases
decreases / increases
decreases / decreases
increases / increases
2. In the circuit, the internal resistance of the cell is not negligible. The voltmeter has a very high resistance. When the switch is closed, the reading on the voltmeter...
increases
decreases
remains the same
becomes zero
3. The cell has internal resistance. Across which component should a voltmeter be connected so that it reads zero?
the cell
the switch
the resistor
no answer
4. Study the following circuit diagram. If the switch is closed what will happen to the current through the cell and the current through bulb X? cell / bulb X
increase / increase
increase / decrease
decrease / increase
decrease / no change
5. The three resistors are identical. If the reading on A
1
is x, what will be the reading on A
2
?
1
/
2
x
x
3
/
2
x
3x
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