Alternating Current and Voltage - Engineering

Q1:

How many degrees are there in /3 rad?

A

B 60°

C 180°

D 27°

ANS:B - 60°

1 rad = 57.3°.

π/3 rad = (π/3) x 57.3°.
= (3.142/3) x 57.3°.
= 60°.