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(a) The peak voltag3e of an a.c. supply ...

(a) The peak voltag3e of an a.c. supply is 300 V. What is its r.m.s voltages?
(b) The r.m.s value of current in an ac circuit is 10 A. What is the peak current ?

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SL ARORA-AC CIRCUITS AND ELECTRIC CIRCUITS-problem
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  3. An L-C-R series circuit with 100Omega resistance is connected to an AC...

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  4. A current of 4 A flows in a coil when connected to a 12 V dc source. I...

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  5. An LCR circuit has L = 10 mH. R = 3 ohm and C = 1 mu F connected in se...

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  7. A series LCR- circuit containing a resistance of 120 Omega has angular...

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  8. An LC- circuit (inductance 0.01 H and capacitance 1 muF) is connected ...

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  9. An a.c. source is connected to two circuit as shown in fig. 14.10. Obt...

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  10. The current in a coil of self-inductance 2.0 H is increasing according...

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  11. Two coil have self-inductances L(1)=8 mH and L(2)=2 mH. In both of the...

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  12. Keeping the source of frequency equal to the resonating frequency of t...

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

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

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

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

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

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

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

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

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

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