why does p.d. remains constant when connected parallely
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If we look at the ohm's law it states that V=IR only when the physical conditions around the conductor remains constant.
If we see parallel circuit diagram each resistors has its own path to complete the circuit called parallel path. actually resistance is the property which opposes the flow of current.The higher the resistance of a conductor lower will be the amount of current flowing in it. so if I have different valued resistors connected in parallel then the current flowing through them will adjust in such a way that the product of R and I is same i.e. Voltage remains constant. The flow of current across any branch is dependent on the value of resistor.
If we see parallel circuit diagram each resistors has its own path to complete the circuit called parallel path. actually resistance is the property which opposes the flow of current.The higher the resistance of a conductor lower will be the amount of current flowing in it. so if I have different valued resistors connected in parallel then the current flowing through them will adjust in such a way that the product of R and I is same i.e. Voltage remains constant. The flow of current across any branch is dependent on the value of resistor.
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