When a Daniel cell is connected in the secondary circuit of a potentiometer,

When a Daniel cell is connected in the secondary circuit of a potentiometer, the balancing length is found to be 540 cm. If the balancing length becomes 500 cm when the cell is short circuited with 1 Ω, the internal resistance of the cell is

Options

(a) 0.08 Ω
(b) 0.04 Ω
(c) 1.45 Ω
(d) 1.08 Ω

Correct Answer:

0.08 Ω

Explanation:

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

admin:

View Comments (1)

  • ((Final length-initial length)/initial length )×resistence increased
    ((540-500)/500 )×1=40/500=0.08ohm

Related Questions

  1. A conveyor belt is moving at a constant speed of 2 m/s. A box is gently dropped on it
  2. The temperature coefficient of the resistance of a wire is 0.00125 per ⁰C.
  3. The flux linked with a coil at any intant t is given by ?=10t² – 50t + 250
  4. The electric field at a distance 3R / 2 from the centre of a charged conducting
  5. The potential energy of a long spring when stretched by 2 cm is U.