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Current Electricity

Current Electricity
The SI unit of power is

Watt-hour
Henry
Watt
Coulomb

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Current Electricity
Three 60 W bulbs are in parallel across the 60 V power line. If one bulb burns open

All three bulbs will light
The other two bulbs will light
There will be heavy current in the main line
Rest of the two bulbs will not light

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Current Electricity
The maximum current rating for a 10 kΩ, 0.5 W resistor is

28.28 mA
0.707 mA
14.14 mA
7.07 mA

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Current Electricity
Voltage dependent resistors are usually made from

Graphite
Nichrome
Charcoal
Silicon carbide

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Current Electricity
Three resistance of 10 ohms, 15 ohms, and 30 ohm are connected in parallel. The total resistance of the combination is

15 ohms
55 ohms
5 ohms
10 ohms

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Current Electricity
Which of the following is the best material for making connecting wires?

Nichrome
Constant
Copper
Manganin

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MORE MCQ ON Current Electricity

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