Navigate

A transformer rated at 10 kW is used to connect a 5 kV transmission line to a 240 V

A transformer rated at 10 kW is used to connect a 5 kV transmission line to a 240 V circuit. The ratio of turns in the windings of a transformer

Options

(a) 5
(b) 20.8
(c) 104
(d) 40

Correct Answer:

20.8

Explanation:

A 5 kV has to be connected to a 240 V circuit. This is a step down transformer. The ratio of primary [5000 V / 240 V] = n(ᴘ) / n(ѕ). Primary has 20.8 times the turns in the secondary.

VITEEE2008
admin:

Related Questions

  1. Two liquid drops having diameters of 1 cm and 1.5 cm. The ratio of excess
  2. The magnetic susceptibility is negative for
  3. The displacement of a particle varies according to the relation x=4 (cos π t + sin π t)
  4. In a potentiometer experiment two cells of e.m.f. E₁ and E₂ are used in series
  5. If in a L-R series circuit the power factor is 1/2 and R=100Ω, then the value of L is,