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slamgirl [31]
3 years ago
8

What is the voltage output (in V) of a transformer used for rechargeable flashlight batteries, if its primary has 480 turns, its

secondary 8 turns, and the input voltage is 118 V
Physics
1 answer:
Lera25 [3.4K]3 years ago
3 0

Answer:

1.97 V

Explanation:

Applying

N1/N2 = V1/V2................... Equation 1

Where N1 = primary turns, N2 = Secondary turns, V1 = primary/input voltage, V2 = secondary/output voltage.

make V2 the subject of the equation

V2 = V1(N2/N1)............. Equation 2

Given: V1 = 118 V, N1 = 480 turns, V2 = 8 turns.

Substitute into equation 2

V2 = 118(8/480)

V2 = 1.97 V.

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