Question 42
Electromagnetic InductionUse the diagram above to answer this question. The diagram above is that of
- A.a step-up transformer.
- B.a step-down transformer.
- C.an auto transformer.
- D.an oil transformer.
Show the answer and explanation
Answer: A (a step-up transformer.)
Explanation
The output (secondary) coil has more turns than the input (primary) coil, so the transformer steps the voltage up.