In an 
. circuit the e.m.f. ( 
) and the current (i) at any instant are given respectively by 
The average power in the circuit over one cycle of 
. is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
over one cycle of 
is 
Where 
is phase difference between V & I .
Here 
Hence 
.
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
In which of the following devices, the eddy current effect is not used?
A 800 turn coil of effective area is kept perpendicular to a magnetic field . When the plane of t…
A circuit when connected to an AC source of gives a current of . The same circuit when connected …
A cycle wheel of radius is rotated with constant angular velocity of in a region of magnetic fiel…
The magnetic potential energy stored in a certain inductor is 25 , when the current in the inducto…
An inductor , a capacitor and a resistor are connected in series across a source of . The power…