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Current Electricity

Current Electricity
All of the following are equivalent to watt except

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

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Current Electricity
Temperature coefficient of resistance is expressed in terms of

ohms/°C
ohms/ohm°C
mhos/°C
mhos/ohm°C

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Current Electricity
The resistance of a parallel circuit consisting of two branches is 12 ohms. If the resistance of one branch is 18 ohms, what is the resistance of the other?

64 Q
18 Q
48 Q
36 Q

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Current Electricity
The hot resistance of the bulb's filament is higher than its cold resistance because the temperature coefficient of the filament is

About 2 ohms per degree
Positive
Zero
Negative

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Current Electricity
A 3 Q resistor having 2 A current will dissipate the power of

4 watts
8 watts
2 watts
6 watts

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

Increases
Decreases
None of the listed here
Remains same

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MORE MCQ ON Current Electricity

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