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Eamcet Physics
2 nd Year : Unit 2.1 ( Current Electricity ) - Current Electricity

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In a closed circuit, the e.m.f and internal resistance of the generator are ε and r respectively. If the external resistance in the circuit is R, the Ohm’s law has the form

A. I = ε/(R+r)

B. I = ε/R

C. I = ε/r

D. I = ε/Rr

E. None of the above

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Correct choice: A

Explanation:

None

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Eamcet Physics 2 nd Year : Unit 2.1 ( Current Electricity ) - Current Electricity

Eamcet Physics
2 nd Year : Unit 2.1 ( Current Electricity ) - Current Electricity