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Current Electricity

Current Electricity
SI unit of power is

Watt-hour
Watt
Coulomb
Henry

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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
The maximum current rating for a 10 kΩ, 0.5 W resistor is

14.14 mA
7.07 mA
28.28 mA
0.707 mA

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Current Electricity
When one lag of parallel circuit is opened out the total current will

Increases
Become zero
Decreases
None of the listed here

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Current Electricity
Which of the following material has nearly zero temperature co-efficient of resistance?

Manganin
Copper
Carbon
Porcelain

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Current Electricity
A closed switch has a resistance of

Zero
About 500 ohms
Infinity
About 50 ohms

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MORE MCQ ON Current Electricity

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