The variation of EMF with time for four types of generators is shown in the figures. Which amongst them can be called AC voltage?
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 |
| (a) | (b) |
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| (c) | (d) |
| 1. | (a) and (d) |
| 2. | (a), (b), (c), and (d) |
| 3. | (a) and (b) |
| 4. | only (a) |
Subtopic: AC Generator |
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Level 2: 60%+
NEET - 2019
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At a hydroelectric power plant, the water pressure head is at a height of \(300\) m and the water flow available is \(100\) m3 s-1. If the turbine generator efficiency is \(60\)%, the electric power available from the plant is:
(Take \(g=9.8\) m s-2)
1. \(111.3\) MW
2. \(210\) MW
3. \(176.4\) MW
4. \(213.5\) MW
Subtopic: AC Generator |
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Level 2: 60%+
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