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PHYSICS

Physics
Suppose voltage V is applied across a resistance R. The power dissipated in the resistance is P. Now the same voltage V is applied across a parallel combination of three equal resistors each of resistance R. Then the power dissipated in the second case will be

P
3P
P/3
2p/ 3

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Physics
A galvanometer can be converted into a voltmeter by connecting with it a

High resistance on series
High resistance in parallel
Low resistance on parallel
Low resistance in series

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Physics
In superconductors, the energy gap is due to

Phonon-phonon interaction
Electron-photon intercation
Electron-electron interaction
Electron-phonon interaction

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Physics
Electrical Pressure is also called

Power
Current
Voltage
Resistance

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Physics
The ''Choke' used with a tube light is basically

A resistor
A transformer
An inductor
A capacitor

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