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NCAT Practice Test - Practice Test - Physics - Current Electricity - 2026 Quiz

Attempt 10 MCQs on NCAT Practice Test - Practice Test - Physics - Current Electricity (Year 2026) | Quiz 7

61. A battery delivers maximum power of 25 W to a load. If internal resistance is 5 Ω, what is the load resistance at maximum power?

2 Ω
5 Ω
10 Ω
20 Ω

62. A wire is stretched uniformly to increase its length by 10%. By what percentage does its resistance increase?

10%
21%
44%
100%

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