Physics 2016 JAMB Past Questions - Question 12: The main purpose of the transformer in an a.c. radio set is to

Correct Answer

D

Explanation

The main purpose of the transformer in an AC radio set is to step up or step down the voltage of the alternating current (AC) that powers the radio. Transformers are used to transfer electrical energy between different voltage levels, allowing efficient transmission and distribution of electricity. In the case of an AC radio set, the transformer helps convert the high voltage from the power source to a lower voltage suitable for the radio's operation. Additionally, transformers can also provide electrical isolation, protecting the radio circuitry from potential electrical hazards.