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What emf, E is required to complete the Circuit shown? (If terminal A is to be positive we will take E as being Positive if A is negative then E is negative ).
 2 years ago
 2 years ago
What emf, E is required to complete the Circuit shown? (If terminal A is to be positive we will take E as being Positive if A is negative then E is negative ).
 2 years ago
 2 years ago

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92champsBest ResponseYou've already chosen the best response.1
28V. If you use superposition. ie replace 8V with s/c the current = E/10A (Clockwise). Then replace E voltage source with s/c and current = .8A. Therefore .1E.e=2 ....Hence E =28
 2 years ago
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