Question 29
A step-up transformer is designed to operate from a 25V supply. if the transformer is 80% efficient, determine the current in the primary coil when the output terminals are connected to 240V, 100W lamp
Objective
Question details
- Exam body
- UNIBEN
- Subject
- General Paper
- Year
- 2006/2007
- Question no.
- #29
- Type
- Objective
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