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 : 

(1) 1.59 A 

(2) 13.33 A 

(3) 1.33 A 

(4) 15.1 A 


                                              JEE-2024         

Solution:                
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 : (1) 1.59 A (2) 13.33 A (3) 1.33 A (4) 15.1 A JEE-2024

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