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Compare between inductive reactance and ...

Compare between inductive reactance and capacitive reactance.

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Resistance , inductive reactance and capacitative reactance of an LCR series ac circuit are 30Omega , 60Omega and 20Omega respectively. What is the phase difference between the ac-voltage and current in the circuit?

A resistance 10 Omega a capacitor connected to an ammeter in series with an a.c. source marked 220V -50Hz. If the ammetr reading is 2A, then find capacitive reactance and capacitance.

Give two differences between inductive effect and electromeric effect.

L,C,R represents the inductance, capacitance and reactance respectively. Which of the following combinations have the same dimensions as that of frequency?

If L is 100 mH and the applied a.c. source frequency be 50Hz, find the inductive reactance in the above case.

Statement I: the alternating current lags behind the voltage by a phase angle pi/2 when ac flows through an inductor, Statement II: The inductive reactance increases as the frequency of ac source decreases.

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UNITED BOOK HOUSE-QUESTION PAPER 2017-EXERCISE
  1. In a nuclear decay, a nucleus emits one alpha-particle and then two be...

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  2. If two inputs of a NAND gate are joined, what type of a gate is formed...

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  3. State one difference between n-type and p-type semiconductors.

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  4. In a transistor emitter-base junction is always forward biased while t...

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  5. Show that equivalent resistance in parallel combination is always less...

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  6. How can the sensitivity of a potentimeter be increased ?

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  7. A Potentiometer has 10 wires each of 1 metre length and the total resi...

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  8. Draw a graph representing the change in specific resistance with tempe...

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  9. Find the equivalent resistance between the two ends A and B of the fol...

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  10. Define lost volt,State the factors on which the internal resistance of...

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  11. Define Wattless current.

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  12. Show that Lenz's law obeys the law of conservation of enrgy.

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  13. Show that in a.c. circuit the, average power dissipated per cycle in a...

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  14. Compare between inductive reactance and capacitive reactance.

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  15. State the factors on which the peak value of alternating emf depend.

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  16. In an LCR series combination, R=400Omega , L=100 mH and C=1muF. This c...

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  17. In an LCR series combination, R=400Omega , L=100 mH and C=1muF. This c...

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  18. With diagram, state the reason for short sightedness and mention its r...

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  19. In a certain midium the path difference 5xx10^-5 cm corresponds to a p...

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  20. The optic axes of two polaroids are inclined at an angle of 45@ with e...

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