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Power Factor

If resistance...

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If resistance is 10 ohms inductance is 2mH Capacitance is 5f are connected in series to an ac source of frequency 50Hz.find the impedance at resonance

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Q. The resistance

R = 10 Ω

, inductance L = 2 mH and capacitance

c o f 5 μ F

are connected in same to an AC source of frequency 50 Hz, then at resonance the impedance of circuit is

Q. A resistance of 10

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F and an inductance of 2mH are connected in series across source of alternating emf of variable frequency. At that frequency does maximum current flow?

Q. A resistance of 10

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Q. A box P and a coil Q are connected in series with an ac source of variable frequency. The emf of the source is constant at

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. Box P contains a capacitance of

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. Coil Q has a self inductance of 4.9 mH and a resistance of

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The impedance of P at this frequency is

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