Navigate

A long wire carrying a steady current is bent into a circular loop of one turn.

A long wire carrying a steady current is bent into a circular loop of one turn. The magnetic field at the centre of the loop is B. It is then bent into a circular coil of n turns. The magnetic field at the centre of this coils of n turns will be

Options

(a) nB
(b) n²B
(c) 2nB
(d) 2n²B

Correct Answer:

n²B

Explanation:

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

NEET2016II
admin:

Related Questions

  1. The resistance of a wire is 5 ohm at 50° C and 6 ohm at 100° C. The resistance
  2. Resistances n, each r Ω, when connected in parallel give an equivalent resistance
  3. If vₑ is escape velocity and vₙ is orbital velocity of a satellite
  4. At place on earth, the vertical component of earth’s magnetic field is √3 times
  5. The potential differences across the resistance, capacitance and inductance