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The instantaneous emf an a.c. source is ...

The instantaneous emf an a.c. source is given by `epsi=300 sin 314 t`. What is the rms value of the emf?

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SL ARORA-AC CIRCUITS AND ELECTRIC CIRCUITS-problem
  1. Keeping the source of frequency equal to the resonating frequency of t...

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  2. What will be the instantaneous voltage for an a.c. supply of 230 V and...

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  3. The instantaneous emf an a.c. source is given by epsi=300 sin 314 t. W...

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  4. The emf an source is given by the expression epsi=300 sin 314 t. Write...

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  5. An alternative current in amperes us given by I=50 sin (400 pi t+phi)....

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  6. An alternating emf of peak value 350 V is applied across an a.c. ammet...

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  7. The effective value of current in a 50 cycle a.c. circuit is 5 A. what...

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  8. The peak value of an alternating current of frequency 50 Hz is 14.14 A...

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  9. A 100 Omega iron is connected to a 220 V, 50 cycles wall plug. What is...

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  10. The equation of a.c. in a circuit is I=50 sin 100 pi t. Find (i) frequ...

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  11. A resistance of 500 Omega is connected to a source of emf, epsi=10 sin...

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  12. What is the inductive reactance of a coil if current through it is 800...

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  13. A 44 mH inductor is connected to 220 V, 50 Hz a.c. supply. Determine r...

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  14. An inductance of negligible resistance, whose reactance is 22 ohm at 2...

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  15. A capactior of 1 mu F is connected ot an a.c. source of e.m.f E = 250 ...

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  16. A capacitor has a reactance of 100 Omega at 50 Hz What will be its rea...

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  17. The virtual current in the a.c. circuit shown in fig, 14.15 is 1.0 A. ...

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  18. A 0.21 H inductor and a 12 ohm resistance are connected in series to a...

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  19. An e.m.f. E = 200 sin 377 t volt is applied across an inductance L hav...

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  20. A circuit consists of a resistance 10 ohm and a capacitance of 0.1 mu ...

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