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NARAYNA-ALTERNATING CURRENT-C.U.Q
- In an LCR a.c. circuit at resonance, the current
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- In an ac circuit the current
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- The average emf during the positive half cycle of an ac supply of peak...
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- Alternating current is transmitted to distant places at
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- In case of a.c circuit, Ohm's law holds good for {:a) Peak values of...
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- In case of AC circuits the relation V = iZ, where Z is impedance, can ...
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- Alternating current can not be measured by D.C. Ammeter because
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- The r.m.s value of Potential due to superposition of given two alterna...
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- If the instantaneous current in a circuit is given by i=2cos (omegat-p...
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- If a capacitor is connected to two different A.C generators, then the ...
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- In general in an alternating current circuit
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- The magnitude inducted e.m.f. in an LR circuit at brea of circuit as c...
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- The emf and current in a circuit are such that E = E(0) sin omega t an...
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- The correct variation of resistance R with frequency f is given by
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- Same current is flowing in two alternating circuits. The first circuit...
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- When an a.c source is connected across a resistor
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- The phase angle between current and voltage in a purely inductive circ...
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- Ratio of impedence to capactive reactance has
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- An inductor-coil having some resistance is connected to an AC source. ...
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- Why the current does not rise immediately in a circuit containing indu...
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- In an AC circuit containing only capacitance the current
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