Question

The relationship you discovered is called Faraday's Law and is written as A Equation 1 E = At The negative sign will be discussed below. If the resistance in the rectangular closed loop is R, then the induced current in the loop is given by Equation 2 T = - 140 I RAT You have learned from this activity that a current will be induced in a closed loop of wire whenever the magnetic flux through the loop is changing Question 2.16 In the above diagram consider the separation distance between two field lines A and B. How is the strength of the magnetic field related to the spacing between the two field lines? Hint: You have answered similar questions for electric field lines. Question 2.17 Consider the situation where the north pole of the magnet is moved closer to the loop Is the magnetic field strength at the location of the loop increasing, decreasing or staying the same as the magnet is moved closer to the loop? Explain

ignore 2.21

Answer 1

Q2.16. More eparation, less the field strength and vice versa.

Q2.17 it increases because number if magnetic field lines the region increases.

Q2.18.yes , it increases because field lines are more denser in this and more in number situation.

Q2.19 it increases

Q2.20 yes

Q 2.22 Induced magnetic field opposes the increment in rate of change of external magnetic flux linked with it.