The primary coil of a transformer is connected to 220 V AC. The primary and secondary turns of the transformer are 100 and 10 respectively. The secondary coil of the transformer is connected to two series resistances shown in figure. The output voltage i

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Solution

Q.
Primary coil of a transformer is connected to 220 V AC. The primary and secondary turns of the transformer are 100 and 10 respectively. The secondary coil of the transformer is connected to two series resistances shown in figure. The output voltage $(V_{0})$ is ______. [2024]

1 7 V

2 15 V

3 44 V

4 22 V

Ans.
(1)

$\frac{E_{P}}{E_{S}} = \frac{N_{P}}{N_{S}} = \frac{100}{10} = 10$

$E_{S} = \frac{E_{P}}{10} = \frac{220}{10} = 22 V$

$V_{0} = (i) (7 k Ω) \Rightarrow V_{0} = 7 V$

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