A transformer efficiency |CoordinationCompoundsJEEMAIN2023

JEE MAIN 2024

01-02-2024 S2

Question

A transformer has an efficiency of 80% and works at 10 V and 4 kW. If the secondary voltage is 240 V, then the current in the secondary coil is

Select the correct option:

1.59 A

13.33 A

1.33 A

15.1 A

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

$\begin{aligned} & \text { Efficiency }=\frac{E_S I_S}{E_P I_P} \\ & 0.8=\frac{240 I_S}{4000} \\ & I_S=\frac{3200}{240}=13.33 \mathrm{~A}\end{aligned}$

Question Tags

JEE Main

Physics

Medium

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