Question:pq01
Find the emf induced in the coil shown in the figure. The magnetic field is perpendicular to the plane of the coil and is constant.
Given figure:
Text Solution:
Magnetic flux (φ) through the coil is given by:
φ = B A (Always)
Since the magnetic field (B) is constant and the area (A) of the coil is also constant,
∴ φ = constant
Induced emf is given by Faraday's law:
emf = - dφ/dt
Since, φ = constant ⇒ dφ/dt = 0
Therefore, emf = 0
Final Answer: emf = 0
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