I cannot  understand, How it can  be that "  higher the power rating smaller the resistance "of a appliance as it  is said in video lecture by shaleen ? can you explain how and  why?

Asked by Sanchit Sharma | 22nd Apr, 2014, 03:14: PM

Expert Answer:

Electric power is the rate at which electrical energy is produced or consumed in an electric circuit.
 
P = VI = I2 R = V2 /R
 
Hence, power is inversely proportional to the resistance. Therefore, higher is  the power rating smaller is the resistance.
 
Example:
 
 
 
 

Answered by  | 22nd Apr, 2014, 03:48: PM

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