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An Electric Motor Takes 5 Amperes Current Form a 220 Volt Supply Line. Calculate the Power of the Motor and Electric Energy Consumed by It in 2 Hours. - CBSE Class 10 - Science

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Question

An electric motor takes 5 amperes current form a 220 volt supply line. Calculate the power of the motor and electric energy consumed by it in 2 hours.

Solution

Given:         
I = 5 A 
V = 220 V

Power of the motor,
    = VI
      =` 5 xx 220`  
      = 1100 W = 1.1 kW
Energy consumed in two hours, 

   E`= pxxt`
      = `1.1 kW xx 2 h`
      = 2.2 kWh

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Solution An Electric Motor Takes 5 Amperes Current Form a 220 Volt Supply Line. Calculate the Power of the Motor and Electric Energy Consumed by It in 2 Hours. Concept: Electric Power.
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