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The Avogadro's number is 6 
per gm mole and electronic charge is 1.6 
. The Faraday's number is
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(a) |
(b) |
|
(c) |
(d) |
The direction of current in an iron-copper thermocouple is
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(a) From copper to iron at the hot junction |
(b) From iron to copper at the hot junction |
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(c) From copper to iron at cold junction |
(d) No current will flow |
How many calories of heat will be produced approximately in a 210 watt electric bulb in 5 minutes
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(a) 80000 cal |
(b) 63000 cal |
(c) 1050 cal |
(d) 15000 cal |
Assertion : Moon is seen as it partly reflects the sun light falling on it
Reason : Moon is a satellite of earth. It does not emit light of its own
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(a) If both assertion and reason are true and the reason is the correct explanation of the assertion. |
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(b) If both assertion and reason are true but reason is not the correct explanation of the assertion. |
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(c) If assertion is true but reason is false. |
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(d) If the assertion and reason both are false. |
Liquid oxygen remains suspended between two pole faces of a magnet because it is
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(a) Diamagnetic |
(b) Paramagnetic |
(c) Ferromagnetic |
(d) Antiferromagnetic |
