Two concentric coils each of radius equal to 2π cm are placed at right angles

Two concentric coils each of radius equal to 2π cm are placed at right angles to each other. If 3A and 4A are the currents flowing through the two coils, respectively. The magnetic induction (in Wb/m²) at the centre of the coils will be

Options

(a) 5×10⁻⁵
(b) 12×10⁻⁵
(c) 7×10⁻⁵
(d) 10⁻⁵

Correct Answer:

5×10⁻⁵

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

Related Questions

  1. Astigmatism is corrected by using
  2. A cell of emf E and internal resistance r supplies current for the same time
  3. A body travelling along a straight line traversed one-third of the total distance
  4. A resistance of 20 ohm is connected to a source of an alternating potential V
  5. The physical quantities not having same dimensions are