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The r.m.s value of an a.c of 59 Hz is 10...

The r.m.s value of an a.c of `59 Hz` is `10 A`. The time taken by the alternating current in reaching from zero to maximum value and the peak value of current will be

A

`2 xx 10^(-2) sec and 14.14 amp`

B

`1 xx 10^(-2)` sec and 7.07 amp

C

`5 xx 10^(-3)` sec and 7.07 amp

D

`5 xx 10^(-3)` sec and 14.14 amp

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The correct Answer is:
D
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DISHA PUBLICATION-ALTERNATING CURRENT -Exercise - 1 : CONCEPT BUILDER (TOPIC 1: Alternating Current, Voltage and Power)
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  7. Average voltage for the given source is :

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  8. The current I passed in any instruement in alternating current circuit...

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  11. Using an AC voltmeter, the potential difference in the electrical line...

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  12. An alternating current is given by I = i1 cos omegat + i2 sin omegat...

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  13. Determine the rms value of a semi-circular current wave which has a ma...

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  14. The rms value of the function shown in figure if it its given that for...

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  15. Figure shows one cycle of an alternating current with the segments AB,...

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  16. A resistance of 20 ohm is connected to a source of an alternating pote...

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  17. The rms value of the emf given by E = 8 sin omegat + 6 sin 2omegat .

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