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Current Electricity

Current Electricity
The current in the circuit having constant resistance is tripled. The power increases

9 times
1/9 times
3 times
1/3 times

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Current Electricity
In a circuit a 33 Q resistor carries a current of 2 A. The voltage across the resistor is

33 V
80 V
132 V
66 V

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Current Electricity
An electric filament bulb can be worked from

AC supply only
All of the listed here
Battery supply only
DC supply only

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Current Electricity
The resistance of a conductor varies inversely as

Are of cross-section
Length
Temperature
Resistivity

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Current Electricity
Resistance of a tungsten lamp _____ as applied voltage increases.

Remains same
Decreases
None of the listed here
Increases

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Current Electricity
The resistance of a parallel circuit consisting of two branches is 12 ohms. If the resistance of one branch is 18 ohms, what is the resistance of the other?

48 Q
18 Q
36 Q
64 Q

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