ElectroMagnetic InductionHard
Question
In a circuit L, C and R are connected in series with an alternating voltage source of frequency f. The current leads the voltage by 45o. The value of C is : -
Options
A.
B.
C.
D.
Solution
tan 45o =
⇒ R =
= 2πfL

⇒ R + 2πfL =
⇒C = 

⇒ R + 2πfL =
Create a free account to view solution
View Solution FreeMore ElectroMagnetic Induction Questions
Consider the motion of a positive point charge in a region where there are simultaneous uniform electric and magnetic fi...A current flows through a rectangular solid conductor in the presence of uniform magnetic field B pointing out of the pa...An electron beam is moving near to a conducting loop then the induced current in the loop :-...The liquid in the watch glass in the following figure is -...In the given circuit the current rises after the key is closed. At instant, when the current is 15 mA. Then potential di...