Physics, asked by victor400, 1 year ago

An electric iron of resistance 20ohm takes an current of 5a. Calculate the heat develop in 30 sec​

Answers

Answered by himanshusingh52
4
H=i^2rt
h = 5^2 * 20 * 30
h = 15000 j
Answered by viji18net
4

Answer:

Given, resistance ( R) = 20ohm

current (I) = 5A

time(T) = 30s

 H = I² × R × T

=> H = 5² × 20 × 30

=> H = 25 × 600

=> H = 15000 joules

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