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Current Electricity

Current Electricity
All good conductors have high

Resistance
Thermal conductivity
Conductance
Reluctance

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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
Zero
None of the listed here
Negative

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Current Electricity
The minimum charge on an ion is

None of these
Equal to the charge of the number of electrons in an atom (#) zero
Equal to the charge of an electron
Equal to the atomic number of the atom

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Current Electricity
A wire having very high value of conductance is said to be

Insulator
None of the listed here
Very good conductor
Moderately good conductor

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Current Electricity
The flow of current in solids is due to

Atoms
Nucleus
Electrons and ions
Electrons

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Current Electricity
The SI unit of power is

Coulomb
Watt
Watt-hour
Henry

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MORE MCQ ON Current Electricity

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