A battery with emf 9.0 V and internal resistance 0.30 is connected to a 2.1 resistor

PHYSICS · Single correct · CBSE · Physics · Current Electricity · Current Electricity

Problem

A battery with emf 9.0 V and internal resistance 0.30

\Omega

is connected to a 2.1

\Omega

resistor. What is the potential difference measured across the battery’s terminals while the circuit is operating? (a)

9.0\ \text{V}

(b)

8.4\ \text{V}

(c)

7.9\ \text{V}

(d)

7.7\ \text{V}