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. Six molecules have speeds 2 units, 5 units, 3 units, 6 units, 3 units and 5 units
  2. If r be the distance of a point on the axis of a magnetic dipole from its centre
  3. Number of spectral lines in hydrogen atom is
  4. Angular momentum of the particle rotating with a central force is constant due to
  5. Two cells when connected in series are balanced on 8m on a potentiometer.