6A323 D
The power transformer and rectifier of a radio receiver are designed to supply a plate voltage of 250 V when operating from a 110 V 60 Hz supply, if the transformer is connected to 110 VDC what will happen?
A.The secondary would burn out
B.The primary would overheat and burn out
C.The circuit breaker would open to protect the circuit
D.Either A or B
