A resistor develops 800 J of thermal ene

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Target Exam

CUET

Subject

Physics

Chapter

Current Electricity

Question:

A resistor develops 800 J of thermal energy in 20 s on applying a potential difference of 20 V. Its resistance is

Options:

20 Ω

10 Ω

40 Ω

0.5 Ω

Correct Answer:

10 Ω

Explanation:

The correct answer is Option (2) → 10 Ω