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Find the time required for a 60 Hz alter...

Find the time required for a 60 Hz alternating current to reach its peak value starting from zero.

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SL ARORA-AC CIRCUITS AND ELECTRIC CIRCUITS-problem
  1. Find the time required for a 60 Hz alternating current to reach its pe...

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  2. An a.c. source of angular frequency omega is fed across a resistor R a...

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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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  6. Inductance (L), capacitance (C) and resistance (R) are constained in a...

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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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