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In an `L-R-C` circuit the current is given by `i = I cos omega t`. The voltage amplitudes for the resistor. Inductor and capacitor are `V_(R ), V_(L)` and `V_(C )` respectively. (a) The instantaneous power into the resistor is `P_(R ) = V_(R ) I cos^(2) omega t`. (b) The instantaneous into the inductor is `P_(L) = - V_(L) I sin omega t cos omega t` (c ) The instantaneous power into the capacitor is `P_(c ) = V_(c ) I sin omega t cos omega t`. (d) `p_(R ) + p_(L) + P_(c )` equals total power `p` supplied by the source at each instant of time.A. (a),(c ),(d) are correctB. (b),(c ) are correctC. (a) is correctD. (a),(b),(c ),(d) are correct |
Answer» Correct Answer - D | |