Lessons

Eamcet Physics
2 nd Year : Unit 3.2 ( Magnetic Effects of Current And Magnetism ) - Electro Magnetism

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Q.

a)M.C.G is a highly sensitive instrument used to measure the small current of the order 10–9 A
b)The suspension wire in M.C.G is phosphor - bronze because it has high young’s modulus and very low rigidity modulus
c) A soft iron cylinder is placed inside the coil in M.C.G to increase the intensity of the magnetic induction in between the poles

View Answer

Correct choice: D

Explanation:

None
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