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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
On the Kelvin scale, the melting point of ice is

273K
373K
100K
0 K

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Physics
Wollen clothes keep the body warm because

Wool increases the temperature of the body
Wool absorbs radiant heat from outer objects
Wool rejects heat from the outer objects
Wool is a bad conductor

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Physics
When a running car stops suddenly, the passengers tends to lean forward because of:

Inertia of motion
Gravitational force
Centrifugal force
Inertia of rest

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Physics
The resistance of a conductor is inversely proportional to its:

Area of cross section
Length
Temperature
Resistivity

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Physics
A parallel-plate capacitor,with air in between the plates, has capacitance C. Now the space between the two plates of the capacitor is filled with a dielectric of dielectric constant 7. Then the value of the capacitance will become

C/7
14C
C
7C

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