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Module 3. Electrical fundamentals
The secondary coil of a transformer has 1500 turns and 10Ohm resistance. The primary coil has 1kOhm resistance. How many turns does the primary coil have?
•  15,000.
•  1,500,000.
•  150,000

Faiz0108 asking:
•  How does the answer comes to 15000?

Community comments: 3
dimky
Posts: 509
19.07.2013 / 21:09
Hey!

turn ratio = square_root(impendance ratio)
tsukiyo92
Posts: 13
31.07.2014 / 17:36
Then it should write 10 ohm IMPEDANCE instead of resistance ? its kind of misleading.
ta2x
Posts: 3
14.04.2019 / 11:43
square_root(1000/10)=10*1500=15000 turns primary
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