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Current Electricity

Current Electricity
Ampere-hour is the unit of

Quantity of electricity
Power
Strength of current
Energy

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Current Electricity
Resistance of a material always decreases if

Number of free electrons available becomes more
Temperature of material is decreased
None of these
Temperature of material is increased

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

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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

66 V
33 V
80 V
132 V

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Current Electricity
If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes

1.0 ohm
0.8 ohm
0.6 ohm
0.4 ohm

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Current Electricity
The filament of electrical bulb is made of

Tungsten
Nickel
Aluminium
Steel

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MORE MCQ ON Current Electricity

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