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Questions and Answers
Why is the voltage of electric power raised before transmission?
Why is the voltage of electric power raised before transmission?
- To generate alternating voltage
- To improve insulation difficulties
- To reduce energy loss in the transmission line wires (correct)
- To increase the current
Which voltage is used for generating electric power at the power generating stations?
Which voltage is used for generating electric power at the power generating stations?
- Lower than 11 kV
- Varies depending on the location
- Higher than 11 kV
- 11 kV (correct)
Why is it not possible to step up or step down DC voltage?
Why is it not possible to step up or step down DC voltage?
- DC voltage does not require stepping up or down
- DC voltage is not suitable for transmission
- DC voltage cannot be easily converted (correct)
- DC voltage is not used for electric power generation
What happens to the current when the voltage is increased?
What happens to the current when the voltage is increased?
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What is the frequency of the generated voltage?
What is the frequency of the generated voltage?
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Which voltage is used for generating electric power at the power generating stations?
Which voltage is used for generating electric power at the power generating stations?
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Why is the voltage of electric power raised before transmission?
Why is the voltage of electric power raised before transmission?
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What is the frequency of the generated voltage?
What is the frequency of the generated voltage?
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Why is it not possible to step up or step down DC voltage?
Why is it not possible to step up or step down DC voltage?
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What happens to the current when the voltage is increased?
What happens to the current when the voltage is increased?
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