Navigate

A filament bulb (500W,100V) is to be used in a 230V main supply. When a resistance

A filament bulb (500W,100V) is to be used in a 230V main supply. When a resistance R is connected in series, it works perfectly and the bulb consumes 500w. The value of R is

Options

(a) 230Ω
(b) 46Ω
(c) 26Ω
(d) 13Ω

Correct Answer:

26Ω

Explanation:

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

NEET2016II
admin:

Related Questions

  1. If ₉₂U²³⁸ undergoes successively 8 ∝-decays and 6 β-decays, the resulting nucleus is
  2. A block of mass m is moving on a wedge with the acceleration aᵒ
  3. A particle moves along the x-axis from x=0 to x=5 m under the influence of a force
  4. A concave mirror of focal length f₁ is placed at a distance d from a convex lens
  5. Two lines of force due to a bar magnet