What is the main advantage of using high voltage for transmission?

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Question: What is the main advantage of using high voltage for transmission?

Options:

Correct Answer: Reduced power losses

Solution:

Using high voltage reduces current flow for the same power level, which in turn reduces resistive power losses in the transmission line.

What is the main advantage of using high voltage for transmission?

What is the main advantage of using high voltage for transmission?

Step 1: Understand that power is the product of voltage and current. The formula is Power (P) = Voltage (V) x Current (I).
Step 2: When we want to transmit a certain amount of power over long distances, we can either increase the voltage or the current.
Step 3: If we increase the voltage, the current will decrease for the same power level. This is because of the formula mentioned in Step 1.
Step 4: Lower current means less energy is lost as heat due to resistance in the wires. This is called resistive power loss.
Step 5: Therefore, using high voltage for transmission is advantageous because it reduces the amount of energy lost during transmission.

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