A string of insulators consisting of 7 units. The voltage across the b – McqOptions

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1.	A string of insulators consisting of 7 units. The voltage across the bottom most unit is 25% of the total voltage. The string efficiency of this system will be
A.	57.14 %
B.	50.6 %
C.	80.4 %
D.	67.7 %
Answer» B. 50.6 %

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