Transformer windings and voltage

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SUMMARY

A transformer with 200 windings on the primary coil and 800 windings on the secondary coil connected to a 12 V car battery results in 0 V across the secondary coil. This outcome is due to the fact that transformers operate on alternating current (AC) and the voltage transformation is dependent on the turn ratio only for AC sources. Since a car battery supplies direct current (DC), the transformer does not function as intended, leading to no voltage output on the secondary side.

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  • Understanding of transformer principles and operation
  • Knowledge of AC versus DC electrical systems
  • Familiarity with voltage, current, and turn ratio concepts
  • Basic electrical engineering concepts related to power sources
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  • Study the principles of AC transformers and their voltage transformation
  • Learn about the differences between AC and DC power systems
  • Research how transformers operate with DC sources and their limitations
  • Explore the applications of transformers in various electrical systems
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Electrical engineering students, hobbyists working with transformers, and anyone interested in understanding the principles of voltage transformation in electrical circuits.

sparkle123
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A transformer is constructed with 200 windings on the primary coil, and 800 windings on the secondary coil. The primary coil is connected to a car battery with a potential difference of 12 V. After a few seconds, what is the voltage across the secondary coil?

The answer is 0, but why? I thought that 4 times the windings on the secondary coil would result in four times the voltage...so the answer would be 48 V. Where am I wrong? Thanks!
 
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What kind of power does a car battery supply? Also, how does a transformer work? Think about that for a while and it might help...
 
Ah well a battery would be DC and I think that the voltage is only proportional to turn ratio for AC transformers. I don't know how DC transformers work :$
 

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