A) \[I\] and \[II\]
B) \[I\] and \[III\]
C) \[I\] and \[IV\]
D) \[II\] and\[III\]
Correct Answer: C
Solution :
Magnetic Held due to both currents at each point on line \[CD\] being equal and opposite cancel while at each point on line \[AB\] they are added up. Hence, magnetic induction in regions I and IV will be zero.You need to login to perform this action.
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