The potential difference `V` across and the current `I` flowing through an instrument in an `AC` circuit are given by: `V=5 cos omega t` volt `I=2 sin

Question

The potential difference `V` across and the current `I` flowing through an instrument in an `AC` circuit are given by: `V=5 cos omega t` volt `I=2 sin

The potential difference `V` across and the current `I` flowing through an instrument in an `AC` circuit are given by:
`V=5 cos omega t` volt
`I=2 sin omega t` Amp.
A. zero
B. `5` watt
C. `10` watt
D. `2.5` watt

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - A
`P_(av)=v_(rms)i_(rms)cos phi`
`phi=90^(@) P_(av)=0`

5 views Answered 2023-02-05 15:29