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Current Electricity

Current Electricity
No current flow between two charged bodies if they have same

Charge
None of the listed here
Potential
Capacity

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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
With three resistances connected in parallel, if each dissipates 20 W the total power supplied by the voltage source equals

20 W
10 W
60 W
40 W

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

28.28 mA
14.14 mA
0.707 mA
7.07 mA

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Current Electricity
All good conductors have high

Resistance
Reluctance
Conductance
Thermal conductivity

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MORE MCQ ON Current Electricity

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