A coil has an area of 0.05 m^2 and it has 800 turns. It is placed perpendicularly in a magnetic field of strength 4 \times 10^{–5 }Wb\/m^2 , it is rotated through 90° in 0.1 second. The average emf induced in the coil is :

NEET 2020 Model Question Paper 1

Question : 21 of 180

Marks: +1, -0

A coil has an area of 0.05 m2 and it has 800 turns. It is placed perpendicularly in a magnetic field of strength 4×10–5Wb∕m2 , it is rotated through 90° in 0.1 second. The average emf induced in the coil is :

0.056 V
0.046 V
0.026 V
0.016 V

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