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For a constant angular frequency of a.c. source connected to an inductor of inductance L, the inductive reactance varies with L as

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Important Questions on Alternating Current

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Gamma Question Bank for Medical Physics>Chapter 22 - Alternating Current>Assignment Set-1>Q 2

The average value of the voltage V for a complete cycle that varies with time t as shown below is

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Gamma Question Bank for Medical Physics>Chapter 22 - Alternating Current>Assignment Set-1>Q 3
The mean value of current in half cycle for sinusoidal alternating current is
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Gamma Question Bank for Medical Physics>Chapter 22 - Alternating Current>Assignment Set-1>Q 4
A current is given by I=(3+2sinωt)A. Its root-mean-square value over one time period will be
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Gamma Question Bank for Medical Physics>Chapter 22 - Alternating Current>Assignment Set-1>Q 5
In a series A.C. circuit containing a capacitor and a resistor only
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Gamma Question Bank for Medical Physics>Chapter 22 - Alternating Current>Assignment Set-1>Q 6
At resonance, the current in series LCR circuit is _____
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Gamma Question Bank for Medical Physics>Chapter 22 - Alternating Current>Assignment Set-1>Q 7
The average power dissipated in the series LCR circuit is given by Pavg= _____
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Gamma Question Bank for Medical Physics>Chapter 22 - Alternating Current>Assignment Set-1>Q 8
The R.M.S. value of the current I=I0sinωt over a complete cycle is I0 by the square root of _____.
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Gamma Question Bank for Medical Physics>Chapter 22 - Alternating Current>Assignment Set-1>Q 9
What is iron loss in a transformer?