01. Two de machines of the following rating are required: DC machine 1: 120 V, 1500 rpm, four poles
DC machine 2: 240 V, 1500 rpm, four poles
Coils are available which are rated at 4 volts and 5 amperes. For the same number
for both machines, determine the
(a) Type of armature winding for each machine.
(b) Number of coils required for each machine.