Question

calculate the current drawn by a 500 root heater which operates on 200 watt​

Answer 1

Given,

potential difference: 500 Volts

Power: 200 watts

using the formula

power= potential difference x current

current= power/ potential difference

current= 200/500

= 2/5= 0.4 Amperes

∴ 0.4 amperes of current is drawn by the heater

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