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प्रश्न
The large scale transmission of electrical energy over long distances is done with the use of transformers. The voltage output of the generator is stepped-up because of ______.
विकल्प
reduction of current
reduction of current and voltage both
power loss is cut down
reduction of current and power loss is cut down both
उत्तर
The large scale transmission of electrical energy over long distances is done with the use of transformers. The voltage output of the generator is stepped-up because of reduction of current and power loss is cut down both.
Explanation:
Because the voltage is increased, the current decreases. Power loss is proportional to the square of the current. Power loss diminishes considerably as current drops.
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संबंधित प्रश्न
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(A) 600
(B) 500
(C) 400
(D) 300
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- Lower current implies less power loss.
- Transmission lines can be made thinner.
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