Electro Magnetic Induction And Alternating Currents Question 460
Question: A vertical ring of radius r and resistance R falls vertically. It is in contact with two vertical rails which are joined at the top. The rails are without friction and resistance. There is a horizontal uniform magnetic field of magnitude B perpendicular to the plane of the ring and -the rails. When the speed of the ring is v, the current in the top horizontal of the rail section is
Options:
A) 0
B)
C)
D)
Show Answer
Answer:
Correct Answer: D
Solution:
-
Current in the top horizontal
