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Problem

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31 Oct 2021

Given information

It is given that for an electric device initially drawing a current of 5.6A working at 240V first its voltage is dropped by 15% keeping resistance constant and then resistance is dropped by 15% keeping voltage constant

Step-by-step explanation

Step 1.

 

The Ohm’s law tells that the ratio of voltage drop (V) and the current (I) passing through a resistance (R) is ideally constant which is equal to the value of that resistance itself, i.e

 V=IR

 

 

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