JEE Previous Year Question
An ideal transformer with purely resistive load operates at 12 kV on the primary side. It supplies electrical energy to a number of nearby houses at 120 V. The average rate of energy consumption in the houses served by the transformer is 60 kW. The value of resistive load ) required in the secondary circuit will be _________m.
Topic: JEE PYQ
Answer: 240. Full step-by-step solution below.
Correct answer: 240
Solution
(240)The given data is
P = 60 x 103 W
= 120 V
A transformer has a primary coil and a secondary coil.
The formula for the power delivered is given by
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