jee-main 2019 Q21

jee-main · India · session2_10apr_shift1 Not Maths

A transformer consisting of 300 turns in the primary and 150 turns in the secondary gives output power of 2.2 kW. If the current in the secondary coil is 10 A, then the input voltage and current in the primary coil are:
(1) 440 V and 20 A
(2) 220 V and 20 A
(3) 440 V and 5 A
(4) 220 V and 10 A

A transformer consisting of 300 turns in the primary and 150 turns in the secondary gives output power of 2.2 kW. If the current in the secondary coil is 10 A, then the input voltage and current in the primary coil are:\\
(1) 440 V and 20 A\\
(2) 220 V and 20 A\\
(3) 440 V and 5 A\\
(4) 220 V and 10 A

Paper Questions

Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q19 Q20 Q21 Q26 Q27 Q28 Q29 Q44