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A battery of  and internal resistance  is connected to a variable resistor  as shown here. Which one of the following is true

a)

Potential difference across the terminals of the battery is maximum when

b)

Power delivered to the resistor is maximum when

c)

Current in the circuit is maximum when

d)

Current in the circuit is maximum when



Question ID - 150303 | SaraNextGen Top Answer

A battery of  and internal resistance  is connected to a variable resistor  as shown here. Which one of the following is true

a)

Potential difference across the terminals of the battery is maximum when

b)

Power delivered to the resistor is maximum when

c)

Current in the circuit is maximum when

d)

Current in the circuit is maximum when

1 Answer
127 votes
Answer Key / Explanation : (b) -

(b)

For power to be maximum

External resistance = Equivalent internal resistance of the circuit

127 votes


127