Question : The magnetic flux through the area A is
Correct Answer: B
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Question : When a wire of length 3cm is moved with a velocity of 2m/s perpendicularly in a magnetic field of strength 10 tesla then the e.m.f induced is
Correct Answer: C
Question : To convert a galvanometer into ammeter we connect
Question : For accurate measurement of voltage, the voltmeter resistance should be
Question : The wavelength of last spectral line in Lyman series in terms of Rydberg constant (R) is equal to
Question : An electron from K-shell is knocked out and another electron jumps from higher shell to fill it. The energy is released by the second electron in the form of
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