PH-1553
Transformers
Physics · Secondary 4 · Medium · Transformers
A transformer is 100% efficient. The primary current is 0.50 A at 240 V. The secondary voltage is 12 V.
What is the secondary current?
What is the secondary current?
- 10 A
- 0.25 A
- 2.5 A
- 5.0 A
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