PHYSICS COMIC STRIP
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- 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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