1.

A 50 turns circular coil has a radius of \[3\ cm\], it is kept in a magnetic field acting normal to the area of the coil. The magnetic field \[B\] increased from 0.10 tesla to 0.35 tesla in 2 milliseconds. The average induced e.m.f. in the coil is [MP PET 1994]

A. \[1.77\ volts\]
B. \[17.7\ volts\]
C. \[5cm\]   
D. \[0.177\ volts\]
Answer» C. \[5cm\]   


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