JEE Mains · Physics · STD 12 - 3. current electricity
A battery with EMF E and internal resistance r is connected across a resistance R. The power consumption in R will be maximum when :
- A \( R=2r \)
- B \( R=\frac{r}{2} \)
- C \( R=\sqrt{2}r \)
- D \( R=r \)
Answer & Solution
Correct Answer
(D) \( R=r \)
Step-by-step Solution
Detailed explanation
For maximum power drawn across load Resistance \(R _{\text {Load }}= R _{\text {intemal }}\) \( R=r \)
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