Electro Magnetic Induction And Alternating Currents Question 512
Question: ABCD is a wire frame in the shape of an isosceles trapezium (i.e., length AB = length CD) enter a magnetic field with flux density B at t=0 as . If the total resistance of wire frame is R. What is the value of the induced current in the wire frame after t seconds, assuming that the frame has to entered the field completely by then? [v=Velocity of frame]
Options:
A) zero
B)
C)
D)
Show Answer
Answer:
Correct Answer: C
Solution:
-
Total effective length crossing the flux lines
Current
