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 R is the radius of the earth and g is the acceleration due to gravity
  2. Activity of a radioactive sample decreases to (1/3)rd of its original value
  3. In a diffraction pattern due to a singleslit of width a, the first minimum is observed
  4. A particle A suffers on oblique elastic collision with a particle B that
  5. Heat is supplied at constant pressure to diatomic gas. The part of this heat that goes