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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. \[5cm\] | |