Test SeriesFree PYQsExamsPricing

MHT CET 2023 Physics question

PhysicsMoving Charges and MagnetismMHT CET 2023

Two concentric circular coils of 10 turns each are situated in the same plane. Their radii are 20 cm and 40 cm and they carry respectively 0.2 A and 0.3 A current in opposite direction. The magnetic field at the centre is ( SI units)

Answer: (B)

Solution

Field at the centre of a coil of turns: . Inner coil: . Outer coil: .

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-097224