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Current Electricity

Current Electricity
Which of the following quantities remain the same in all parts of a series circuit?

Power
Resistance
Voltage
Current

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Current Electricity
One commercial unit of energy equals

One kilowatt-hour
Ten kilowatt-hour
One watt-hour
One watt-hour

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

0.707 mA
7.07 mA
14.14 mA
28.28 mA

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Current Electricity
Sparking occurs when a load is switched off because the circuit has high

Resistance
Capacitance
Inductance
Impedance

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

Any value
Very low
High
Low

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Current Electricity
An electric filament bulb can be worked from

DC supply only
AC supply only
All of the listed here
Battery supply only

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