Can someone explain to me what potential difference is? Simple answers are always better! P.s : Last time my electricity questio
1 answer:
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67.8 turns needed by the secondary coil to run the bulb.
<u>Explanation</u>:
We know that,
For calculating number of turns
Given that,
We need to find the number of turns in the secondary winding to run the bulb at 120W
Firstly find the secondary voltage in the transformer use,
Now, finding the number of turns in secondary coil. Use,
The number of turns in the secondary winding are 67.8 turns.