Jamb 1978
The electric supply from Kainji Dam is transmitted at high voltages of the order hundreds of kilovolts but is converted to domestic use of about 220 volts by A. commutators B. transistors C. valves and diodes D. rectifiers E. transformers
ANSWER: Option E
EXPLANATION: A transformer is a passive device that helps to step up or step down voltage and current.
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His Name is Tiamiyu Abdulbazeet Olawale. He is a student at the University of Ilorin studying Electrical and Electronics Engineering. He likes to give the latest updates about Nigeria and international institutions as he aims at helping people to lay their hands on the right information.