The correct relation is (Where 
Horizontal component of earth's magnetic field; 
= Vertical component of earth's magnetic field and B = Total intensity of earth's magnetic field)
(a) B = 
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(b) 
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(c) |B| = 
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(d) 
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Faraday’s 2nd law states that mass deposited on the electrode is directly proportional to
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(a) Atomic mass |
(b) Atomic mass × Velocity |
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(c) Atomic mass/Valency |
(d) Valency |
Which of the following is true
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(a) Common base transistor is commonly used because current gain is maximum |
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(b) Common emitter is commonly used because current gain is maximum |
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(c) Common collector is commonly used because current gain is maximum |
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(d) Common emitter is the least used transistor |
The shift by which object appears to be raised ....... with the increase in the thickness of the denser medium.