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. A current of 5 A is flowing at 220 V in the primary coil of a transformer. If the voltage
  2. An electric current passes through a long straight wire
  3. Which of the following pairs is wrong
  4. An engine pumps water through a hose pipe. Water passes through the pipe
  5. When aluminium is added as an impurity to silicon, the resulting material is