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CHETANA PUBLICATION-AC CIRCUITS-Exercise
- 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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- Seled true statement for purely inductive circuit
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- Resonance frequency for parallel LC circuit is given by
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- In LCR series drcuit, at resonance the applied e.m.f. and current
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- In series LCR circuit, at resonance impedance
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- In series LCR circuit R = 4Omega, L = 0.2 H and C = 0.1 F, at resonanc...
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- The impedance of LCR circuit increases with frequency when
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