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Current Electricity

Current Electricity
Which of the following is the best material for making connecting wires?

Nichrome
Manganin
Copper
Constant

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Current Electricity
Three 60 W bulbs are in parallel across the 60 V power line. If one bulb burns open

The other two bulbs will light
Rest of the two bulbs will not light
All three bulbs will light
There will be heavy current in the main line

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Current Electricity
The SI unit of power is

Coulomb
Watt
Watt-hour
Henry

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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

132 V
80 V
33 V
66 V

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Current Electricity
Specific resistance of a substance is measured in

m/Ω
None of the listed here
Ω/m
Ω-m

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Current Electricity
A resistance having rating 10 ohms , 10 W is likely to be a

Variable resistor
Carbon resistor
Metallic resistor
Wire wound resistor

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