3 years ago

Help me with this question please

Physics

1 answer:

Salsk061 [2.6K]3 years ago

6 0

Answer:

5.en

6.ex

7.ex

8.en

Explanation:

<h3>#CARRY ON LEARNING</h3><h3>#BRAINLITS </h3>

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Tasya [4]

Complete Question

How many turns are in its secondary coil, if its input voltage is 120 V and the primary coil has 210 turns.

The output from the secondary coil is 12 V

Answer:

The value is $N_s = 21 \ turns$

Explanation:

From the equation we are told that

The input voltage is $V_{in} = 120 \ V$

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From the transformer equation

$\frac{N_p}{V_{in}} =\frac{N_s}{V_o}$

Here $N_s$ is the number of turns in the secondary coil

=> $N_s = \frac{N_p}{V_{in}} * V_s$

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