A battery of emf 10 V and internal resistance \( 3 \Omega \) is connected to a resistor. If the current in the circuit is 0.5 A , what is the terminal voltage of the battery when the circuit is closed? (A) 10 V (B) 8.5 V (C) 1.5 V (D) 7.2 V
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- Electromotive force (emf) of the battery, \( E = 10 \, \text{V} \) - Internal resistance of the battery, \( r = 3 \, \Omega \) - Current in the circuit, \( I = 0.5 \, \text{A} \) Show more…
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