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. An alternating voltage of 220 V, 50 Hz frequency is applied across a capacitor
  2. The area of cross-section of a steel wire (Y=2.0×10¹¹ N/m²) is 0.1 cm².
  3. The radius of a nucleus of mass number A is directly proportional to
  4. At 0⁰C, 15 gm of ice melts to form water at 0⁰C. The change in entropy is
  5. Two strings A and B, made of same material are stretched by same tension