A potentiometer wire of length 10 m and resistance 10 Ω per metre is connected in series

A potentiometer wire of length 10 m and resistance 10 Ω per metre is connected in series with a resistance box and a 2 volt battery. If a potential difference of 100mV is balanced across the whole length of potentiometer wire, then the resistance introduced in the resistance will be

Options

(a) 1900Ω
(b) 900Ω
(c) 190Ω
(d) 90Ω

Correct Answer:

190Ω

Explanation:

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

admin:

Related Questions

  1. Two lenses of power 15 D and -3 D are placed in contact.
  2. A spherical drop of capacitance 1μF is broken into eight drops of equal radius.
  3. The ratio of minimum wavelengths of Lyman and Balmer series will be
  4. If temperature of gas increases from 27°C to 927°C, the kinetic energy will be
  5. The string of a pendulum is horizontal.The mass of bob attached to it is m