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Answer:
Current in the loop is 0.063 A
Explanation:
Number of turns in the coil N = 150
Radius of the circular loop r = 7.5 cm = 0.075 m
So area
Magnetic field B = 1.5 T
Maximum torque is given
We have to find current in the coil
Torque on circular coil in magnetic field is equal to
I = 0.063 A
Answer:
Solution given:
frequency[f]=60,500,000Hz
velocity[V]=300,000,000m/s
wave length=?
we have
wave length=
=
==4.96 m
Option A.4.96m