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02-03-2020
Physics

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A step-up transformer has 30 turns on the primary coil and 770 turns on the secondary coil. If this transformer is to produce an output of 4700 VV with a 11-mAmA current, what input current and voltage are needed?

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pstnonsonjoku pstnonsonjoku

04-03-2020

Answer:input current= 282mA

Input voltage= 183V

Explanation:

A step up transformer increases the voltage by increasing the number of turns. The number of turns in the secondary coil is usually larger than the number of coils in the primary coil. The formulas for comparing ratio of turns to current and voltage in primary and secondary coils are shown in the image attached. The full solution can a!so be found in the image attached.

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