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प्रश्न
What type of current is transmitted from the power station?
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उत्तर
An alternating current is transmitted from the power station.
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संबंधित प्रश्न
Write the function of a transformer.
A transformer converts 240 V AC to 60 V AC. The secondary has 75 turns. The number of turns in primary are _______.
(A) 600
(B) 500
(C) 400
(D) 300
Name the transformer used in the power transmitting station of a power plant.
Name two factors on which the magnitude of an induced e.m.f. in the secondary coil depends.
Why is the iron core of a transformer made laminated (thin sheets) instead of being in one solid piece?
State the principle of a step-up transformer. Explain, with the help of a labeled diagram, its working ?
Describe briefly, with the help of labelled diagram, working of a step-up transformer.
A step-up transformer converts a low voltage into high voltage. Does it not violate the principle of conservation of energy? Explain.
An a.c generator generates an emf 'ε' where ε = 314 Sin (50πt) volt. Calculate the frequency of emf ε.
Draw a labelled diagram to show the various parts of a step-up transformer and step down transformer.
Distinguish between Step up and Step Down Transformer.
