Load factor of a power station is defined as

$$rac{{{ ext{Maximum demand}}}}{{{ ext{Average load}}}}$$
$${ ext{Average load}} imes { ext{Maximum demand}}$$
$$rac{{{ ext{Average load}}}}{{{ ext{Maximum demand}}}}$$
$${left( {{ ext{Average load}} imes { ext{Maximum demand}}} ight)^{rac{1}{2}}}$$

The correct answer is A.

The load factor of a power station is the ratio of the average load to the maximum demand. It is a measure of how efficiently a power station is being used. A high load factor indicates that the power station is being used close to its maximum capacity, while a low load factor indicates that the power station is being underutilized.

Option B is incorrect because it is the product of the average load and the maximum demand, not the ratio. Option C is incorrect because it is the reciprocal of the load factor. Option D is incorrect because it is the square root of the product of the average load and the maximum demand, not the ratio.

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