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
Attachments:
Answers
Answered by
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
Similar questions