What is hydrostatic equilibrium in a star? a) The balance between radiation from the surface and the rotation rate b) The expans
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Answer:
The charge flows through a point in the circuit during the change is 0.044 C.
Explanation:
Given that,
Number of turns in the copper wire, N = 200
Area of cross section,
Resistance of the circuit, R = 118 ohms
If an externally applied uniform longitudinal magnetic filed in the core changes from 1.65 T in one direction to 1.65 T in the opposite direction.
We need to find the charge flows through a point in the circuit during the change. Due to change in magnetic field an emf is induced in it. It is given by :
Using Ohm's law :
Electric current is equal to the rate of change of electric charge. So,
So, the charge flows through a point in the circuit during the change is 0.044 C.