The frame of an electric motor is earthed through three earthing plate – McqOptions

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1.	The frame of an electric motor is earthed through three earthing plates resistances 30 &ohm;, 20 &ohm; and 10 &ohm; respectively. During fault the energy dissipated by three plates are W1, W2 and W3. Then
A.	W1 > W2 > W3
B.	W1 < W2 < W3
C.	W1 = W2 = W3
D.	W1 + W3 < W2
Answer» C. W1 = W2 = W3

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