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Current Electricity

Current Electricity
SI unit of power is

Henry
Watt-hour
Watt
Coulomb

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

7.07 mA
28.28 mA
14.14 mA
0.707 mA

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Current Electricity
Three resistance of 10 ohms, 15 ohms, and 30 ohm are connected in parallel. The total resistance of the combination is

10 ohms
5 ohms
55 ohms
15 ohms

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Current Electricity
Electrical current is due to the flow of

Positive charges only
Both positive and negative charges
Neutral particles only
Negative charges only

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Current Electricity
A copper wire has a resistance of 10 Ω. It is stretched by one-tenth of its original length. Then its resistance will be

9 Ω
10 Ω
11 Ω
12.1 Ω

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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

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

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