1.

Two identical alternators having impedances Z1 and Z2 connected in parallel produces, E1 and E2 as their individual induced emfs. If no load is connected to the alternators, then a circulating current will flow in the circuit.This current is given by

A. (E1 + E2) / (Z1 - Z2)
B. (E1 - E2) / (Z­1 + Z2)
C. (E2 - E1) / (Z1 - Z2)
D. (E1 + E2) / (Z1 + Z2)
Answer» C. (E2 - E1) / (Z1 - Z2)


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