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A capacitor of 50 muF is connected acros...

A capacitor of `50 muF` is connected across a 100 V, 50 Hz a.c. supply. Find the reactance and the r.m.s. current.

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CHETANA PUBLICATION-AC CIRCUITS-Exercise
  1. Find the capacitive reactance of a 100 muF capacitor used on a A.C.sou...

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  2. A capacitance of 0.4 muF is connected to an alternating e.m.f. of freq...

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  3. A capacitor of 50 muF is connected across a 100 V, 50 Hz a.c. supply. ...

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  4. An a.c. series circuit has a source of maximum e.m.f. 220 V at a frequ...

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  5. The resonant frequency of a parallel LC circuit is 1000 kHz. If L = 3m...

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  6. Find the capacitance to be connected in parallel with a 100 mH inducta...

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  7. An A.C. voltage of r.m.s. value IV is applied to a parallel combinatio...

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  8. A capacitor is used with an A.C. source of 110 V and frequency 50 Hz. ...

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  9. An a.c. consists of a resistor of 10W, inductor of 0.1 H and capacitor...

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  10. An A.C. circuit consists of inductor of inductance 125 mH connected in...

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  11. In an ac circuit, V and I are given by V = 100 sin (100t) volts,I =100...

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  12. The frequency of ac mainsin India is

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  13. The peak value of 220 volts of ac mainsis

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  14. If a current I given by Io sin (omega-pi/2) flowsin an ac circuit acro...

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  15. In an ac circuit, the current is given by I = 5sin ( 100t-pi/2)and the...

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  16. The frequency of an alternating voltage is 50 cycles//sec and its ampl...

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  17. The ratio of peak value and r.m.s. value of an alternating current is

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  18. The power factor of LCR circuit at resonance is

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  19. Power delivered by the source of the circuit becomes maximum, when

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  20. In a circuit containing an inductance of zero resistance, the e.m.f. o...

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