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Question
Transformer works on ______.
Options
AC only
DC only
Both AC and DC
Solution
Transformer works on AC only
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RELATED QUESTIONS
Derive an expression for e.m.f. and current in terms of turns ratio
Express the turn ratio in terms of voltages.
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(b) current in the primary
(c) a voltage across secondary
(d) current in secondary
(e) power in secondary
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(a) Describe the observation when the switch S is (i) closed suddenly, (ii) then kept closed, (iii) finally opened.
(b) Name and state the law which explains the above observations.
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