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Question: Answered & Verified by Expert
A storage battery has e.m.f. $15 \mathrm{volts}$ and internal resistance $0.05 \mathrm{ohm}$. Its terminal voltage when it is delivering 10 ampere is
PhysicsCurrent ElectricityJEE Main
Options:
  • A 30 volts
  • B 1.00 volts
  • C 14.5 volts
  • D 15.5 volts
Solution:
2255 Upvotes Verified Answer
The correct answer is: 14.5 volts
$V=E-I R=15-10.0 .05=14.5 \mathrm{~V}$

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