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a)Explain, with the help of a diagram, the principle of Wheatstone’s Bridge. b) Describe how it is used to determine the specific resistance of the material of the given wire. c) A known resistance of 15 Ù is connected in the left gap and an unknown resistance in the right gap of a Metre - Bridge. When the bridge is balanced, balancing length is found to be 60 cm. Find the unknown resistance.

a)Explain, with the help of a diagram, the principle of Wheatstone’s Bridge.
b) Describe how it is used to determine the specific resistance of the material of the given wire.
c) A known resistance of 15 Ù is connected in the left gap and an unknown resistance in the right gap of a Metre - Bridge. When the bridge is balanced, balancing length is found to be 60 cm. Find the unknown resistance.

Grade:upto college level

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