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CHETANA PUBLICATION-AC CIRCUITS-Exercise
- For high frequency, a capacitor offers
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- In LCR circuit the pd between the terminals of the inductance is 60 V,...
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- In a LCR circuit capacitance is changed from C to 2C. For the resonant...
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- An oscillator circuit consists of an inductance of 0.5 mH and a capaci...
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- Which of the following components of an LCR circuit with ac supply, di...
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- The phase difference between the ac and emf is pi/2 . Which of the fol...
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- In an A.C. circuit the current
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- Acoil of inductive reactance 31 Omegahas a resistance of 8 Omega. It i...
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- A light bulb is rated 100 W for a 220 V supply. The resistance of the ...
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- A 50 volt a.c. is applied across an RC (series) network. The rms volta...
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- Apure inductor of 25 mHis conneded to a source of 220 V. Given the fre...
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- If the rms current in a 50 Hz AC rircuit is 5A the value of the curren...
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- A resistor of 500 Omega and an indudance of 0.5 H are in series with a...
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- Thedisplacement currentisgivenby the expression
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- An alternating e.m.f. is given by e = 100 sin 314 t, the time within w...
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- A sinusoidal voltage e = 200 sin (100 t) is applied acrossaresistanceo...
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- Relation between erms and eois
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- A6Omega resistanceand 8Omega inductance are connected in series then p...
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- A current that does not perform any work is
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- In LCR series drcuit apparent power is
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