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2026 Current Electricity Terminal voltage and internal resistance of a cell Easy Question 4 of 130 in Current Electricity

A resistor is connected to a battery of 12 V emf and internal resistance $2\ \Omega$. If the current in the circuit is 0.6 A, the terminal voltage of the battery is:

A 10 V

B 10.8 V

C 12 V

D 1.2 V

The answer is B.

Solution

EMF E = 12 V, r = $2\ \Omega$, I = 0.6 A Terminal voltage $V = E - Ir = 12 - (0.6)(2)$ V = 10.8 volt

Current Electricity in past papers

130 questions from this chapter have appeared across 27 exam years.