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Physics

Physics
The unit of intensity of electric field is

N/c
N/m
J/c
Volt

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Physics
Red is used as an emergency or danger signal as

It is scattered
It has very high energy
It is a striking colour
Its wavelength is the longest

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Physics
At low temperature, Lead behaves as a :

Superconductor
Insulator
Semi conductor
Conductor

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Physics
0°K is equivalent to

100°C
– 273°C
0°C
273°C

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Physics
The unit of energy in MKS system is

Erg
Joule
Volt
Ohm

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Physics
When two semiconductors of pand n-type are brought in contact, they form p-n junction which acts like a/an

Amplifier
Rectifier
Oscillator
Conductor

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