Question 0
A transformer which can produce 8V from a 240v a.c. supply, has an efficiency of 80%. If the current in the secondary coil is 15A, calculate the current in the primary coil.
Objective
Question details
- Exam body
- JAMB
- Subject
- Physics
- Year
- 1998
- Question no.
- #0
- Type
- Objective
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