In step down transformer the ratio of turns N1: N2 = 1: 2 and output power is 2.2 kW. If current in secondary is 10 A then find input voltage and current -

Question

In step down transformer the ratio of turns N1: N2 = 1: 2 and output power is 2.2 kW. If current in secondary is 10 A then find input voltage and current - (A) 440 V, 5A (B) 220 V, 10 A (C) 200 V, 5 A (D) 440 V, 10 A

Tardigrade Admin · Accepted Answer

Correct answer is (a) 440 V, 5A

Q. In step down transformer the ratio of turns N1​:N2​=1:2 and output power is 2.2 kW. If current in secondary is 10 A then find input voltage and current -

440 V, 5A

220 V, 10 A

200 V, 5 A

440 V, 10 A

Correct answer is (a) 440 V, 5A

Q. In step down transformer the ratio of turns $N_{1} : N_{2} = 1 : 2$ and output power is 2.2 kW. If current in secondary is 10 A then find input voltage and current -