Physics, asked by muhammedziyanu3203, 1 year ago

100 J of heat is produced each second in a 4 resistance. Find the potential
difference across the resistor.

Answers

Answered by malavikabala012003
15

we knew that

H = I^2*R*T

100 /4 = I ^ 2

square rooting on both sides

10/2 = I

I = 5 A

by ohms law

V = I × R

5*4

= 20volts

Answered by Anonymous
4

ᴡᴇ ᴋɴᴏᴡ ᴛʜᴀᴛ,

ʜᴇᴀᴛ = ᴠ^2 × ᴛ / ʀ

100ᴊ = ᴠ^2 × 1sᴇᴄ. / 4ᴏʜᴍ

ᴠ^2 = 100ᴊ × 4ᴏʜᴍ / 1sᴇᴄ.

ᴠ^2 = 400

ᴠ = ✓400

ᴠ = 20ᴠ

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