A generator has an open circuit emf of 18 V. Its terminal voltage drop – McqOptions

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1.	A generator has an open circuit emf of 18 V. Its terminal voltage drops to 15 V with a load resistance of 30 Ω. Calculate its internal resistance.
A.	3 Ω
B.	0.5 Ω
C.	6 Ω
D.	0.6 Ω
Answer» D. 0.6 Ω

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