Alternating CurrentHard

Question

The r.m.s. value of current for a variable current i = i1 cos ωt + i2 sin ωt :-

Options

A.(i1 + i2)
B.(i1 + i2)2
C.(i12 + i22)1/2
D.(i12 + i22)1/2

Solution

-

Create a free account to view solution

View Solution Free
Topic: Alternating Current·Practice all Alternating Current questions

More Alternating Current Questions

A series R-C circuit is connected to AC voltage source. Consider two cases; (A) when C is without a dielectric medium an...Which one of the following has not the same unit...The self inductance of a choke coil is 10 mH. when it is connected with a 10 V D.C. source, then the loss of power is 20...The current in a circuit containing a capacitance C and a resistance R in series leads over the applied voltage of frequ...If the frequency of the source e.m.f. in an AC circuit is n, the power varies with a frequency :...