Ncert Exercises & Solutions

Electrical energy is transmitted over large distances at high alternating voltages. Which of the following statements is (are) correct?

(a)	For a given power level, there is a lower current.
(b)	Lower current implies less power loss.
(c)	Transmission lines can be made thinner.
(d)	It is easy to reduce the voltage at the receiving end using step-down transformers.

Choose the correct options:

1.	(a), (b), (c)	2.	(a), (b), (d)
3.	(b), (c), (d)	4.	(c), (d)