Alternating CurrentHard

Question

Power factor may be equal to 1 for :

Options

A.pure inductor
B.pure capacitor
C.pure resistor
D.An LCR circuit

Solution

cos φ = =
Because  xL = xC

Create a free account to view solution

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

More Alternating Current Questions

5 cm long 10 Ω resistance and 5 mH inductance of a solenoid, is connected with 10 volt battery. The value of curren...When 100 volts d.c. is applied across a solenoid a current of 1.0 amp. flows in it. When 100 volt a.c. is applied across...For an alternating current I = I0cos ωt, What is the rms value and peak value of current :-...A choke coil has :...The r.m.s. value of alternating current is 10 amp. having frequency of 50 Hz. The time taken by the current to increase ...