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Light Emitting Diode

A 10 m long p...

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A 10 m long potentiometer wire is connected to a battery having a steady voltage a leclanche cell is obtained at 4 m length of wire if the length is kept same but its cross section is doubled the null point will be obtained at

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10 m

long potentiometer wire is connected to a battery having a steady voltage. A Leclanche cell is balanced at

4 m

length of the wire. If the length is kept the same, but its cross-section is doubled, the null point will be obtained at:

Q. A battery having a steady voltage is connected to the ends of 10 m long potentiometer wire.The null point for a Leclaire cell is obtained at 750 cm.If the length of potentiometer wire is increased by 1 m,the new balancing length in metres will be:-

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