When the mercury bulb-type float switch changes position,_________ .
A)the mercury contacts multiply
B)the mercury bulb-type float switch is no longer usable
C)the pump begins operation
D)the state of the contacts in the mercury switch are changed

Question

Quizplus · Accepted Answer

When the mercury bulb-type float switch changes position, the state of the contacts in the mercury switch changes, which can be used to control other devices such as pumps. When the mercury bulb-type float switch changes position, the state of the contacts in the mercury switch are changed. This change in contact state can be used to control the operation of pumps or other devices.

When the Mercury Bulb-Type Float Switch Changes Position,_________