Physics, asked by sahilkaushik905338, 4 hours ago

the resistance of. an electric heater is 40 ohm calculate the electric current flowing in it when is connected to main wire having potential difference 220 volt.

Answers

Answered by riyabaghel678

0

720 J/H

Explanation:

An electric immersion heater with a resistance of 40 ohms is connected to a 240 V power supply Heat=

V^2×t= 240^2×30min=720 J/H

R 40×60

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