Alternating CurrentHard
Question
The peak value of an alternating e.m.f. which is given by E = E0 cosωt is 10 volts and its frequency is 50 Hz. At time t = 
s, the instantaneous e.m.f. is
s, the instantaneous e.m.f. is Options
A.10 V
B.5√3 V
C.5 V
D.1 V
More Alternating Current Questions
In the given circuit the reading of voltmeter V1 and V2 are 300 volts each. The reading of the voltmeter V3 and ammeter ...An ideal coil of 10H is connected in series with a resistance of 5Ω and a battery of 5V. 2 second after the connect...The impedance of L − R circuit is shown by :...A 0.21-H inductor and a 88-Ω resistor are connected in series to a 220-V, 50-Hz AC source. The current in the circu...In an A.C. circuit, the reactive reactance XL is :...