What do you mean by power rating of an electrical appliance? How to use it to calculate (a) the resistance of the appliance, and (b) the safe limit of current in it, while in use?

Rowan Bray

Rowan Bray

Answered question

2023-03-22

What do you mean by power rating of an electrical appliance? How to use it to calculate (a) the resistance of the appliance, and (b) the safe limit of current in it, while in use?

Answer & Explanation

kokheleka36tx

kokheleka36tx

Beginner2023-03-23Added 7 answers

The rating of an electrical appliance indicates the voltage at which the appliance is designed to work and the power consumption at that voltage.
(1) Resistance = ( Voltage rating of the appliance ) 2 Power rating of the appliance
(2) Safe current = ( Voltage rating of the appliance ) 2 Voltage rating of the appliance

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