Q. 175.0( 2 Votes )

# A magnetic field

Answer :

As this sign suggest that the direction of magnetic field is outwardly along z-axis. Also in above figure circular plane is in x-y plane and in question given that .

So now area vector is also in i.e. same as and area is πa2 thus the angle now substituting the values  Now applying faraday’s law, So Now this induced e.m.f also produced induced current We have to find the current at t , t , t putting these values in above equation

Therefore current at   and direction will be along + ĵ

Now current at  Hence current at I=0

Now at last current at   Hence magnitude of current at  and direction will be along - ĵ

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation view all courses RELATED QUESTIONS :

Find the current Physics - Exemplar

A metallic ring oPhysics - Exemplar

Find the current Physics - Exemplar

A rod of mass m aPhysics - Exemplar

A magnetic field Physics - Exemplar

A rectangular looPhysics - Exemplar

Consider an infinPhysics - Exemplar

ODBAC is a fixed Physics - Exemplar

A magnetic field Physics - Exemplar

A conducting wirePhysics - Exemplar