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Current Electricity

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

Practically zero
High
Low
Very high

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

Ampere-volts
kWh
Amperes
Ampere-hours

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Current Electricity
For which of the following 'ampere second' could be the unit?

Reluctance
Power
Charge
Energy

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

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Current Electricity
Nichrome wire is an alloy of

Copper and silver
Chromium and vanadium
Nickel and chromium
Lead and zinc

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Current Electricity
In which of the following substances the resistance decreases with increase in temperature?

Constantan
Copper
Carbon
Silver

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MORE MCQ ON Current Electricity

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