Multiple Choice
A coil is placed in a magnetic field and has a flux ΦB through it.The coil is stressed so that its area reduces to 60% of its original value.If the plane of the coil stays the same and the flux through it remains the same,how must the magnetic field change?
A) It must increase by 60%.
B) It must increase by 120%.
C) It must decrease by 40%.
D) It must increase by 67%.
Correct Answer:

Verified
Correct Answer:
Verified
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