Why are current and resistance kept very low? a. to prevent excess heat. b. because the voltage is also quite low. c. both a. and b. d. none of the above.

The current and resistance are kept low while transferring the power from one place to another to prevent loss in energy as heat.

Heat =

Since, the heat loss is directly proportional to the square of the current and the resistance. Hence, we need to keep both of them low to prevent the loss in electrical energy in form of heat. One method to do so is by transferring power in form of high voltage and using thick wires.

Hence, the correct option is (A)

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