Navigate

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.

MP2013
admin:

Related Questions

  1. At 10⁰C the value of the density of a fixed mass of an ideal gas divided by its pressure
  2. In a compound microscope, the focal length of the objective is 2.5 cm and of eye lens
  3. A spherical body of emissivity e=0.6, placed inside a perfectly black body is maintained
  4. A wire of length 1 m is moving at a speed of 2 ms⁻¹ perpendicular to its length
  5. If a body is rolling on the surface, its total energy will be