The diagram shows an electrical circuit. The battery and cell in the circuit may be assumed  to have negligible internal resistance   A. The current in the 12 ohm resistor  B. The p.d. Across the 68 ohm resis

Q: - terminal voltage

A: emf = 12.0V Internal Resistance r= 3.0x10-2 ohm =0.03 ohm Load resistance RL = 6 ohm

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