Page 163 - Testing Electronic Components
P. 163
adjust the power supply to 5 V. Any voltage higher than 5 V will burn the
relay coil. Now connect either the positive and negative alligator clip to
the relay coil. When the relay coil have the 5 V run through it, the coil
will begin to energize and start pulling the internal armature. You actually
could hear a tic sound from the relay when it is energized!
163
