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Current Electricity

Current Electricity
SI unit of power is

Henry
Watt-hour
Watt
Coulomb

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Current Electricity
The substances which have a large number of free electrons and offer a low resistance are called

Insulators
Conductors
Semi-conductors
Inductors

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Current Electricity
With three resistances connected in parallel, if each dissipates 20 W the total power supplied by the voltage source equals

10 W
60 W
40 W
20 W

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Current Electricity
An open resistor, when checked with an ohmmeter reads

Infinite
Zero
Low but not zero
High but within tolerance

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Current Electricity
The SI unit of power is

Coulomb
Watt
Watt-hour
Henry

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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

10 ohms
5 ohms
55 ohms
15 ohms

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