Question

an iron press of resistance 4 ohm which produce 100 j of heat per second . find p.d of circuit​

Answer 1

100 joules of heat is produced per second in a 4 ohm ... what what is the potential difference across the resistance.....

hey mate here is your answer

Answer 2

HeRe Is Your Ans ⤵

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We know that,

Heat = V² × t / R

100J = V² × 1 / 4

V² = 100 × 4 / 1

V² = 400

V = √400

V = 20 V

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