Electro Magnetic Induction And Alternating Currents Question 459
Question: A square loop with 2.0 m sides is perpendicular to a uniform magnetic field, with half the area of the loop in the field is . The loop contains a 20.0 V battery with negligible internal resistance. If the magnitude of the field varies with time according to B = 0.042-0.871, with B in tesia and t in second. The net emf of the circuit is:
Options:
A)
B)
C)
D) None of these
Show Answer
Answer:
Correct Answer: C
Solution:
-
Induced emf.
The net induced emf
