A boy throws a stone vertically in the air with an initial speed of 40m/sec.At the instant the stone is thrown,a monkey at the t
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Answer
The rate at which the magnetic field is changing is
Explanation
From the question we are told that
The electric field strength is
The radius is
The rate of change of the magnetic field is mathematically represented as
Where is change of a unit length
Where A is the area which is mathematically represented as
So
where L is the circumference of the circle which is mathematically represented as
So
substituting values