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Current Electricity

Current Electricity
All of the following are equivalent to watt except

(Amperes) ohm
Amperes × volts
Amperes/volt
Joules/sec.

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Current Electricity
The resistance of a few meters of wire conductor in closed electrical circuit is

High
Very high
Practically zero
Low

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Current Electricity
The hot wire of electric bulb's filament is higher than its cold resistance because the temperature co-efficient of filament is

Positive
Negative
Zero
None of the listed here

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Current Electricity
Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be

9 times
3 times
1/3 times
1/9 times

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

Ampere-hours
Amperes
Ampere-volts
kWh

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Current Electricity
The flow of current in solids is due to

Electrons
Electrons and ions
Atoms
Nucleus

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