transformer is not used in ____
Answers
Answer:
transformer is a passive electrical device that transfers electrical energy from one electrical circuit to another, or multiple circuits. A varying current in any one coil of the transformer produces a varying magnetic flux in the transformer's core, which induces a varying electromotive force across any other coils wound around the same core. Electrical energy can be transferred between separate coils without a metallic (conductive) connection between the two circuits. Faraday's law of induction, discovered in 1831, describes the induced voltage effect in any coil due to
Answer:
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Explanation:
This set of Electrical Machines Multiple Choice Questions & Answers (MCQs) focuses on “Transformer Construction”.
1. The primary and secondary of a transformer are ________ coupled but _______ connected.
a) magnetically, not electrically
b) electrically, not magnetically
c) magnetically, also magnetically
d) electrically, also electrically
View Answer
Answer: a
Explanation: Transformer is the machine which has physical spacing and has magnetic circuit to exchange the voltage.