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Current Electricity

Current Electricity
Resistance of 220 V, 100 W lamp will be

484 ft
4840 Q
4.84 Q
48.4 Q

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Current Electricity
For testing appliances, the wattage of test lamp should be

Very low
High
Any value
Low

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Current Electricity
Electric pressure is also called

Power
Energy
Voltage
Resistance

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Current Electricity
Resistance of a carbon filament lamp _______ as the applied voltage increases.

Remains same
None of the listed here
Decreases
Increases

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Current Electricity
A closed switch has a resistance of

About 50 ohms
Infinity
Zero
About 500 ohms

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Current Electricity
Temperature coefficient of resistance is expressed in terms of

mhos/ohm°C
ohms/°C
ohms/ohm°C
mhos/°C

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