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Current Electricity

Current Electricity
If an electric current is passed through a nerve, the man

Becomes insensitive to pain
Begins to weep
Begins to laugh
Is excited

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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
40 W
60 W

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

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Current Electricity
The rating of a fuse wire is always expressed in

kWh
Ampere-hours
Ampere-volts
Amperes

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Current Electricity
Electrical current is due to the flow of

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

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Current Electricity
Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as

25 : 4
4 : 25
2 : 5
5 : 2

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MORE MCQ ON Current Electricity

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