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Current Electricity

Current Electricity
No current flow between two charged bodies if they have same

Capacity
Potential
Charge
None of the listed here

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Current Electricity
An electric filament bulb can be worked from

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

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Current Electricity
Voltage dependent resistors are used

To suppress surges
As current stabilizers
For inductive circuits
As heating elements

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Current Electricity
One commercial unit of energy equals

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

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Current Electricity
A current of 16 amperes divides between two branches in parallel of resistances 8 ohms and 12 ohms respectively. The current in each branch is

4.6 A, 6.9 A
4.6 A, 9.6 A
6.4 A, 6.9 A
6.4 A, 9.6 A

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Current Electricity
Temperature coefficient of resistance is expressed in terms of

mhos/ohm°C
mhos/°C
ohms/°C
ohms/ohm°C

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