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An alternating voltage of frequency f is...

An alternating voltage of frequency f is applied across LCR circuit. Let `f_r` be the resonance frequency for the circuit. Will the current in the circuit lag, lead or remain in phase with the applied voltage when
`f>f_r`? Explain your answer in each case.

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MODERN PUBLICATION-ALTERNATING CURRENTS-EXERCISE
  1. When an a.. Circuit with a series combination of inductance, capacitan...

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  2. When a capacitor is connected in series LR circuit the alternating cur...

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  3. An alternating voltage of frequency f is applied across LCR circuit. L...

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  4. An alternating voltage of frequency f is applied across LCR circuit. L...

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  5. Give applications of resonance in series LCR circuit.

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  6. An capacitor C, a variable resistor R and a bulb B are connected in se...

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  7. An capacitor C, a variable resistor R and a bulb B are connected in se...

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  8. A capacitor with capacitance C and a coil with active resistance R and...

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  9. An inductor L of inductance X(L) is connected in series with a bulb B ...

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  10. An inductor L of inductance X(L) is connected in series with a bulb B ...

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  11. As shown in figure an electric lamp having coil of negligible inductan...

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  12. As shown in figure an electric lamp having coil of negligible inductan...

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  13. In the circuit shown below R represents an electric bulb. If the frequ...

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  14. Show in the figure, two electric circuits A and B. Calculate the ratio...

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  15. What is the quality factor (Q) in an a.c. circuit?

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  16. Three students X,Y and Z performed an experiment for studying the vari...

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  17. Three students X,Y and Z performed an experiment for studying the vari...

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  18. What is sharpness of resonance?

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  19. Why does an LC circuit produce oscillations?

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  20. Why does an LC circuit produce oscillations?

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