Which is remain unchanged in transformer action?
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In a d.c circuit, if current and resistance are known, power (P=I*I*R) can be determined. This relationship also applied to an a.c circuit. Comment the reason for this.
On what basis no of earth pits are to be decided either for transformers or for equipment?
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22 Answers Delta, Mannar Company, Suntron,
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HOW isolation transformer works.
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