Question: The cable is carrying the current I ( t ) . Evaluate the electromagnetic energy flux S at the surface of a long transmission cable

The cable is carrying the current I(t). Evaluate the electromagnetic energy flux S at the surface of a long transmission cable of resistivity , length and radius a, using the expression S~ =10 E~ B . ~ 1. S = a2 I 2 2. S =00 I2 a23. S =0 c I24 a24. S =0 I2 a25. S =00 I 22 a26. S =0 I 22 a27. None of these. 8. S = I22 2 a 39. S = I2 a210. S = I 24 0 c

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