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Current Electricity

Current Electricity
The filament of electrical bulb is made of

Tungsten
Nickel
Aluminium
Steel

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Current Electricity
Whether circuit may be AC. or D.C. one, following is most effective in reducing the magnitude of the current.

Reactor
Inductor
Resistor
Capacitor

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Current Electricity
What voltage drop will be there across a 1 kW electric heater whose resistance when hot is 40 Ω?

50 V
200 V
150 V
100 V

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Current Electricity
The resistance of a straight conductor is independent of

Shape of cross-section
Cross-sectional area
Temperature
Material

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Current Electricity
Two lamps 100 W and 40 W are connected in series across 230 V. Which of the following statement is correct?

100 W lamp will glow brighter
40 W lamp will glow brighter
40 W lamp will fuse
Both lamps will glow equally bright

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Current Electricity
Conductance is reciprocal of

Reluctance
Capacitance
Inductance
Resistance

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MORE MCQ ON Current Electricity

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