Question
(a) What is the voltage output of a transformer used for rechargeable flashlight batteries, if its primary has 500 turns, its secondary 4 turns, and the input voltage is 120 V? (b) What input current is required to produce a 4.00 A output? (c) What is the power input?
1. $0.960 \textrm{ W}$
2. $0.0320 \textrm{ A}$
3. $3.84 \textrm{ W}$
Solution Video