A transformer has 400 turns and 200 turns in the primary and secondary windings respectively. If the current in the primary and secondary windings are 3A and 5A respectively. calculate the efficiency of the transformer? by Sunday | May 22 | Physics WAEC | 0 comments A. 85.0% B. 83.3% C. 37.5% D. 30.0% Correct Answer: Option B B. 83.3% Users Also Read These:A transformer is required to supply 12 Vrms to…Purchase account is overcast by ₦200, while wages…A transformer connected to a 240Vr.m.s has 3000…Mr. Bala’s income is $800.00 per month while that of…Calculate the number of turns in the secondary coil…