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Current Electricity

Current Electricity
Electric current passing through the circuit produces

Magnetic effect
Luminous effect
Chemical effect
Thermal effect

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Current Electricity
The filament of electrical bulb is made of

Tungsten
Steel
Aluminium
Nickel

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Current Electricity
In which of the following substances the resistance decreases with increase in temperature?

Constantan
Carbon
Copper
Silver

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Current Electricity
The example of non-ohmic resistance is

tungsten wire
Aluminium wire
Copper wire
Carbon resistance

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

7.07 mA
0.707 mA
28.28 mA
14.14 mA

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Current Electricity
A 3 Q resistor having 2 A current will dissipate the power of

8 watts
2 watts
6 watts
4 watts

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MORE MCQ ON Current Electricity

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