Navigate

Two tangent galvanometers A and B have coils of radii 8 cm and 16 cm respectively

Two tangent galvanometers A and B have coils of radii 8 cm and 16 cm respectively and resistance 8 Ω each.They are connected in parallel with a cell of emf 4 V and negligible internal resistance. The deflections produced in the T.G’s A and B are 30⁰ and 60⁰ respectively. If A has 2 turns, then B must have

Options

(a) 18 turns
(b) 12 turns
(c) 6 turns
(d) 2 turns

Correct Answer:

12 turns

Explanation:

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

KA2007
admin:

Related Questions

  1. A radioactive substance contains 10000 nuclei and its halflife period is 20 days
  2. Which two of the following five physical parameters have the same dimensions?
  3. A body of length 1 m having cross-sectional area 0.75 m² has heat flow through it
  4. If α (current gain) of transistor is 0.98, then what is the value of β
  5. A block is moving up an inclined plane of inclination 60° with velocity of 20 ms⁻¹