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Physics

Physics
What is the value of 1 kW = ?

1000 W
100 W
10000 W
10 W

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Physics
Light travels at the fastest speed in:

water
glass
hydrogen
vacuum

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Physics
Alternating current is converted into direct current by a

Rectifier
Oscillator
Dynamo
Transformer

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Physics
The purpose of choke in a fluorescent lamp is :

Ro decrease the voltage momentarily
To decrease the resistance
To decrease the current flow
To increase the current flow

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Physics
If a barometric reading is falling, this usually indicates what

None
Decreasing pressure
No pressure
Increasing pressure

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Physics
Magnetic field lines about a current-carrying wire

None of these
Circle the wire in closed loops
Extend radially from the wire
Both of these

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