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Question

The primary coil of a transformer has 800 turns and the secondary coil has 8 turns. It is connected to a secondary coil has 8 turns. It is connected to a voltage 220V AC supply. What will be the output voltage?


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Solution

Step 1: Explanation for the given data

The number turns in the primary coil, n=800turns

The number turns in the secondary coil, N=8turns

The input voltage, Vi=220V

Let the output voltage be VO.

Step 2: Calculation of the output voltage

NumberofturnsinsecondarycoilNumberofturnsinprimarycoil=OutputvoltageInputvoltageNn=VOViVO×n=Vi×NVO=Vi×NnVO=220V×8turns800turnsVO=2.2V

Step 3: Final answer

Therefore, the output voltage is 2.2 V.


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