A resistance of 20 ohm is connected to a source of an alternating potential V=220 sin (100 πt). The time taken by the current to change from its peak value to r.m.s value is
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(a) 2.5 x 10⁻³ sec
(b) 0.25 sec
(c) 25 x 10⁻³ sec
(d) 2.5 sec
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The pinnacle esteem is the most astounding voltage that the waveform will ever achieve; similar to the pinnacle is the most noteworthy point on a mountain.
The RMS esteem is the viable estimation of the aggregate waveform.
It is equivalent to the level of the DC flag that would give indistinguishable normal power from the intermittent flag.
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