4. a. A copper ring, 0.25 m in diameter and 7 cm2 sectional area of the...

4. a. A copper ring, 0.25 m in diameter and 7 cm2 sectional area of the core, is uniformly wound with 500 turns of wire. If the flux density in the core is to be 1.5 Tesla and relative permeability μr of copper is 500, calculate the:

i. Exciting current required to be passed in the winding;

ii. Value of self-inductance; and

iii. Energy density.

b. Describe uniform plane waves and give its properties.

Expert Solution

genius_generous answered 2 years ago

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