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3. a. A solenoid consisting of 1500 turns of wire wound on a co-centric core of...

3. a. A solenoid consisting of 1500 turns of wire wound on a co-centric core of length 50cm and diameter 3.7cm is in magnetic circuit of another solenoid of the same length and the number of turns but with diameter of 5cm. Calculate the coupling co-efficient and the total inductance if both of them are connected in series opposing fashion. Assume free space conditions. (12 Marks)

b. Briefly discuss the following terms of magneto statics:

i. Relative Permeability; (2 Marks)

ii. Magnetic Susceptibility; (2 Marks)

iii. Reluctance; and (2 Marks)

iv. Weber.

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Question number 3.a has been solved here with proper diagram and calculation.

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