A Battery Has an Emf of 9 V and an Internal

question 55

Multiple Choice

A battery has an emf of 9 V and an internal resistance of 2 $\Omega$ .If the potential difference across its terminals is greater than 9 V:

• A)it must be connected across a large external resistance
• B)it must be connected across a small external resistance
• C)the current must be out of the positive terminal
• D)the current must be out of the negative terminal
• E)the current must be zero

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