Correct Answer: Option B

Explanation

For the transformer, V ∝ ∩
=> V s ∝ ∩s; Vp ∝ ∩p
=> \(\frac{V_p}{V_s} = \frac{∩_p}{∩_s}\),  therefore \(\frac{120}{1200} = \frac{∩_p}{1000}\)
therefore ∩\(_p \times 1200 = 120\times 1000\)
∩\(_p = 120\times\frac{1000}{1200}\) = 100

There is an explanation video available below.

• if 5^(2x)=125 find x? Answer this

  3 Answers   ·   Mathematics   ·   4 days ago
• how does post utme looks like and what are the subjects required for a medical student? Answer this

  2 Answers   ·   2 days ago
• What are the male and female reproductive hormones in animals? Answer this

  4 Answers   ·   Agricultural Science   ·   2 days ago