An a.c. supply gives 30 volt r.m.s which passes through a 10Ω resistance.

An a.c. supply gives 30 volt r.m.s which passes through a 10Ω resistance. The power dissipated in it is

Options

(a) 90 W
(b) 90√2 W
(c) 45 W
(d) 45√2 W

Correct Answer:

90 W

Explanation:

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

admin:

Related Questions

  1. Light of frequency 8×10¹⁵ Hz is incident on a substance of photoelectric work
  2. An electric charge 10⁻³ μC is placed at the origin (0,0) of X-Y co-ordinate system.
  3. Two particles which are initially at rest, move towards each other
  4. In a common emitter transistor amplifier, the voltage gain is
  5. An elevator car whose floor to ceiling distance is equal to 2.7m starts