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Storyboard Text
yes sir! the rate of flow of electric charges is known as electric current.
class do u know anything about electric current?
Resistance is the property of the conductor to resist the flow of current.
Sir I have a doubt, what is resistance?I heard it from my brother.
Resistance is used to manipulate the current in the circuit as some appliances need more or less current
But does it have any uses?
OK class. Todays topic is magnetic field . Do you know what is magnetic effect of current ?
Yes sir . A current flowing in a wire produces a magnetic field around it . This is called magnetic effect of current .
It is a rotating machine which converts electrical energy to mechanial energy .
Sir I want to know what is electric motor ?
Appliances like fan , washing machine , mixers , etc.
electric motor is used in what appliances ?
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