Why is it that North America uses 60 hz frequency while Europe uses 50 hz?

4 Answers  

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What is the difference between the relay and the circuit breaker?

0 Answers  

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we know the value of the power factor is 0.8, we know the power factor is not depends upon the load ,then why we cant design the power factor in transformer ?

1 Answers  

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how was the induction stove working?

3 Answers  

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Which type of drive is advantageous AC or DC and why?

5 Answers  

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What id difference between power and energy?

0 Answers  

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what s d difference between inverter an ups

1 Answers   Jindal,

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Can anybody post questions asked in Engineers India Limited Interview? Thanks in advance.

0 Answers   Engineers India Limited,

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what is the multi strand cable size? 0.45mm is area of one strand & 370nos of strand.

1 Answers  

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why do we prefer alternating current in india where as in USA prefers DC?

3 Answers   Bhel, GMR, Texmo,

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What is the phase relationship between the primary and secondary voltages of a transformer?

0 Answers  

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why the LED of my electrical meter glows even after the line has gone. what actually the reason?

3 Answers  

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