Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEETPhysicsElectromagnetic Induction

What is the magnetic flux passing through coil A when no current passes through it and a current of 1 A flows through coil B, given that there are two coils A and B separated by some distance, and a current of 2 A through coil A results in a magnetic flux of 10-2 Wb passing through coil B?

Options

  1. A2×10^-3 Wb
  2. B5×10^-3 Wb
  3. C1×10^-2 Wb
  4. D2×10^-2 Wb

Correct answer

B. 5×10^-3 Wb

Step-by-step solution

Correct Option is : (B) 5×10^-3 Wb

Practice Electromagnetic Induction on Quantrex Academy →

More from Electromagnetic Induction

A square loop of area A is moving out of the uniform magnetic field (B) with constant velocity v . The EMF (e) induced in the loop is 2026The value of mutual inductance of two coils is 6 mH. The current in one of the coil changes from 7 A to 2 A in 0.2 second, so that e.m.f. is induced in the other coil. If the resis 2026Two identical inductors are connected in parallel. If the parallel combination stores 40 J of magnetic field energy when a total current of 2 A is passed through it, the value of t 2026Two coils have mutual inductance of 0.004 H . The current changes in the first coil according to the relation i = i₀ t , where i₀ = 6 A and = 100 rad/s . The maximum value of emf i 2026The coefficient of coupling is 0.8 . If the mutual inductance is 8 H , then the values of self-inductances L₁ and L₂ of the coil are 2026The self inductance L of a solenoid of length l and area of cross-section A, with a fixed number of turns N increases as 2026A wire of length 1 m is moving at a speed of 2 m/s perpendicular to its length in a homogeneous magnetic field of 0.5 T . If the ends of the wire are joined to a circuit of resista 2026Semicircular wire of radius R is rotated in a uniform magnetic field about an axis passing through its ends. If the frequency of rotation is f, the amplitude of induced e.m.f. in t 2026 Full Electromagnetic Induction list All NEET PYQs