Question

A single phase transformer has 250 turns on primary and 1000 turns on the secondary winding. If the primary winding is connected across a 230 V, 50 Hz, single phase supply, the voltage induced in the secondary winding is *
1 point
920 V
230 V
1840 V
690 V

Answer 1

Answer:

The vertices of ∆ ABC are A(-2, 1), B(5, 4) and C(2, -3) respectively. Find the area of triangle and

height along the side AC.

Explanation:

Answer 2

Option A is the correct answer

Given:

A single-phase transformer has 250 turns = N1

The secondary winding has 1000 turns = N2

The primary winding is connected across a 230 V = V1

frequency = 50 Hz

Explanation:

we know that,

N1/N2 = V1/V2

=250/1000= 230/V2

⇒ V2=920

the voltage induced in the secondary winding is 920V

Hence, Option A is the correct answer