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Physics

Physics
Eddy current is generated by

Direct Current
Induction
Conduction
Convection

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Physics
On the Kelvin scale, the melting point of ice is

100K
0 K
273K
373K

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Physics
The absolute refractive index of any medium is always:

More than one
Less than one
1

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Physics
Red light is used for signals because it has

High frequency
Long wavelength
Low refraction in the medium
High intensity

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Physics
The rate at which energy is transferred is called

Power
Potential
Volt
Watt

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Physics
How much mechanical work must be done to completely melt 1 gram of ice at 0°C ?

336 J
80 J
2268 J
4.2 J

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