Q 12-07-027NEETJEE MainEasy
A transformer has $500$ turns in the primary and $2500$ in the secondary. With $220$ V ac applied to the primary, the secondary voltage is
Answer: (B) $1100$ V
$V_s = V_p\dfrac{N_s}{N_p} = 220 \times 5 = 1100$ V (a step-up transformer).
Solution by Sreeraj P, M.Sc Physics