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Current Electricity

Current Electricity
An electrical lamp coonsumes 100 W of power. If the supply voltage is 220 V the energy consumed in 30 minutes is

0.005 kWh
5 kWh
5 kWh
0.05 kWh

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Current Electricity
Eureka has _______ temperature co-efficient of resistance.

Positive
Almost zero
None of the listed here
Negative

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Current Electricity
In case of liquids, ohm's law is

Partially obeyed
There is no relation between current and p. d
Fully obeyed
None of the listed here

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Current Electricity
Electric current passing through the circuit produces

Chemical effect
Luminous effect
Thermal effect
Magnetic effect

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Current Electricity
At 0 K, germanium behaves as

An insulator
A superconductor
A conductor
A ferromagnetic substance

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

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

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