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Current Electricity

Current Electricity
The SI unit of power is

Watt-hour
Watt
Henry
Coulomb

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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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Current Electricity
Varistors are

Resistor with zero temperature co-efficient
Non-linear resistors
Carbon resistors
Insulators

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Current Electricity
E. M. F. In a circuit

Decrease circuit resistance
Maintains potential difference
None of the listed here
Increases circuit resistance

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Current Electricity
Which of the following quantities remain the same in all parts of a series circuit?

Resistance
Voltage
Power
Current

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Current Electricity
A current of 16 amperes divides between two branches in parallel of resistances 8 ohms and 12 ohms respectively. The current in each branch is

4.6 A, 6.9 A
6.4 A, 9.6 A
4.6 A, 9.6 A
6.4 A, 6.9 A

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