Electrical energy is transmitted over long distances at high alternating voltages by the use of a transformer. Choose the correct statements from the following:

(A) Higher voltage implies less power loss.
(B) The alternating magnetic flux induces eddy currents in the iron core and causes heating.
(C) Step up transformer increases the current by reducing the voltage in the above transformer.
(D) Transmission lines can be made thinner to reduce power loss.

Choose the correct answer from the options given below:

(A) and (B) only

The correct answer is Option (2) → (A) and (B) only

(A) Power loss in transmission lines is proportional to the square of the current ($I^2R$). By using high voltage, the current can be reduced for the same power transmission (since, $P=VI$), thus minimizing the losses.

(B) In transformers, the alternating magnetic flux through the iron core induced eddy currents in the core which causes heating & energy loss.