A Square Loop (Length Along One Side = 20 Cm)rotates $\degree$

question 48

Multiple Choice

A square loop (length along one side = 20 cm) rotates in a constant magnetic field which has a magnitude of 2.0 T.At an instant when the angle between the field and the normal to the plane of the loop is equal to 20 $\degree$ and increasing at the rate of 10 $\degree$ /s,what is the magnitude of the induced emf in the loop?

• A)13 mV
• B)0.27 V
• C)4.8 mV
• D)14 mV
• E)2.2 mV

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