STANDARDPhysics-Magnetism
STANDARD Physics Magnetic Field due to Current MCQ Question
Type: MCQ-conceptual-Medium
Current flows through uniform, square frames as shown in the figure. In which case is the magnetic field at the centre of the frame not zero?
A
Option 1
B
Option 2
C
Option 3
D
Option 4
Correct Answer
Option C
Detailed Explanation
In arrangements (a), (b) and (d), the field at the centre due to the currents flowing in the square frames is zero. The field here in option (c) due to the currents flowing in and out of the frame is not zero.
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