TS EAMCET Medical 31 Jul 2022 Shift 2 Paper

Question : 112 of 160

Marks: +1, -0

A cell phone charger consists of a stepdown transformer to convert AC voltage of 120V to AC voltage of 5.0V. If the secondary coil contains 30 turns and charger supplies 720‌mA, calculate the current in the primary coil.