Physics, asked by neeraj3211, 1 month ago

A resistor develops 500J of thermal energy in 20 s when a current of 1.5A is passed through it. If the current is increased from 1.5 A to 3 A, what will be the energy developed in 20 s. (A) 2000 J (B) 500 J (C) 1000 J (D) 250 J​

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Answers

Answered by Jha28utkarsh
1

Answer:

(A) 2000 J

Explanation:

A/q

=> E = I²RT

=> 500 = (1.5)² × R × 20

=> E = (3)² × R × 20

=> E = 2000 J

∴ The energy developed in 20s will be 2000 J

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