The frequency of an alternating voltage is 50 cycles per second and its amplitude

The frequency of an alternating voltage is 50 cycles per second and its amplitude is 120 V. Then the r.m.s. value of voltage is

Options

(a) 84.8 V
(b) 101.3 V
(c) 70.7 V
(d) 56.5 V

Correct Answer:

84.8 V

Explanation:

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

admin:

Related Questions

  1. A particle of mass m oscillates along x-axis according to equation x = a sin ?t
  2. An object is placed at a distance of 10 cm from a co-axial combination of two lenses
  3. Eight drops of a liquid of density ρ and each of radius a are falling through air
  4. A tube of length L is filled completely with an incompressible liquid of mass
  5. The coherence of two light sources means that the light waves emitted have