NEET Physics Alternating Current Questions Solved


The peak value of an alternating e.m.f. E is given by E=E0cosωt is 10 volts and its frequency is 50 Hz. At time t=1600sec, the instantaneous e.m.f. is

(1) 10 V

(2) 53V

(3) 5 V

(4) 1 V

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