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HETAV PATEL

Grade 11,

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Sanjay was performing an experiment using Meter Bridge.He used resistance box in one of the arms. Curious to know the contents of the resistance box, he opened the box to have a look.He found that the wires were doubled up and then wound into a coil. He asked why the wires were not coiled singly. The teacher told him that this winding is called non inductive winding and it helped in achieving greater accuracy due to elimination of self inductance. (a) How do you think this winding eliminated self inductance (b) Why is self inductance a detriment in achieving accurate values of potential difference and resistance. © What values shown by Sanjay do feel appreciating ?

Sanjay was performing an experiment using Meter Bridge.He used resistance box in one of the arms. Curious to know the contents of the resistance box, he opened the box to have a look.He found that the wires were doubled up and then wound into a coil. He asked why the wires were not coiled singly.  The teacher told him that this winding is called non inductive winding and it helped in achieving greater accuracy due to elimination of self inductance.
 
(a) How do you think this winding eliminated self inductance
(b) Why is self inductance a detriment in achieving accurate values of potential difference and resistance.
© What values shown by Sanjay do feel appreciating ?

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