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An ac source of 200 V, 50 Hz is connecte...

An ac source of 200 V, 50 Hz is connected in series to a capacitor with a 20 V-5W. Lamp. Determine the capacitance of the capacitor needed to light the lamp with maximum brightness.

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The correct Answer is:
`4muF`
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CHHAYA PUBLICATION-ALTERNATING CURRENT -Problem Set-II
  1. A 25muF capacitor, a 0.10 henry inductor and a 25.0Omega resistor are ...

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  2. An alternating current of 1.5mA and angular frequency 300 radian s^-1 ...

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  3. An ac source of 200 V, 50 Hz is connected in series to a capacitor wit...

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  4. For the series connection of an inductor (L) , a capacitor ( C ) and a...

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  5. When 100 volt dc is applied across a conducting coil, a current of 1A ...

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  6. When 100 volt dc is applied across a conducting coil, a current of 1A ...

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  7. When 100 volt dc is applied across a conducting coil, a current of 1A ...

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  8. When 100 volt dc is applied across a conducting coil, a current of 1A ...

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  9. An LR circuit contains a resistance of 40Omega and an inductance of 25...

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  10. An alternating emf of E=20sin 1000tV is applied on a circuit containin...

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  11. An alternating emf of E=20sin 1000tV is applied on a circuit containin...

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  12. A sinusoidal voltage v=200 sin 314 t is applied to a resistor of 10Ome...

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  13. A sinusoidal voltage v=200 sin 314 t is applied to a resistor of 10Ome...

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  14. A sinusoidal voltage v=200 sin 314 t is applied to a resistor of 10Ome...

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  15. A sinusoidal voltage v=200 sin 314 t is applied to a resistor of 10Ome...

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  16. A circuit is set up connecting L=100 mH, C=5muF and R=100Omega is seri...

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  17. A circuit is set up connecting L=100 mH, C=5muF and R=100Omega is seri...

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  18. A circuit is set up connecting L=100 mH, C=5muF and R=100Omega is seri...

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  19. A circuit draws a power of 550 W from a 220V-50 Hz source. The power f...

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  20. Find out the inductance of an inductor which should be connected in se...

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