5 2 The potential difference V and the current i flowing through an instrument in an AC circuit of frequency f are given as V

Question

5 2 The potential difference V and the current i flowing through an instrument in an AC circuit of frequency f are given as V cos oot volts and i 2sinot amperes The power dissipated in the instrument is A Zero C 5 W B 10 W D 2 5 W

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