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The failures common in magnetic coils are due to _______.
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Magnetic Coils – Physics Mid Exam

The key terms of Physics Mid Exam include, Magnetic Coils, Input Voltages.


The failures common in magnetic coils are due to _______.

opens and shorts


When the input voltages or signals are NOT correct, check the _______.

preceding circuit


The two most common faults in a relay are _______.

faults in the coil and contacts


Which part of the relay is shaded GREEN?

Contacts


What is a relay?

An electromagnetically operated switch.


What is the reference designator for relays?

K


What type of relay remains energized after the input power is taken away?

Latched


What type of relay uses a thermal bi-metallic strip as the common terminal?

Thermal time delay


Relays can have _______.

one or more poles


Which part of the relay is shaded BLUE?

Armature


A POWER relay is similar to a ___

single pole single throw switch


What type of relay does not operate as soon as the input voltage is applied?

Time delay


Relays are used for _______

single pole single throw operations
single pole double throw operations
latching and time delay operations
all of the above


.All control relays use at least a _______.

single pole double throw switch


A CONTROL relay is similar to a _______.

single pole double throw switch


The failures common in magnetic coils are due to _______.

opens and shorts


When the input voltages or signals are NOT correct, check the _______.

preceding circuit


The two most common faults in a relay are _______.

faults in the coil and contacts


Which part of the relay is shaded GREEN?

Contacts


What is a relay?

An electromagnetically operated switch.


What is the reference designator for relays?

K


What type of relay remains energized after the input power is taken away?

Latched


What type of relay uses a thermal bi-metallic strip as the common terminal?

Thermal time delay


Relays can have _______.

one or more poles


Which part of the relay is shaded BLUE?

Armature


A POWER relay is similar to a ___

single pole single throw switch


What type of relay does not operate as soon as the input voltage is applied?

Time delay


Relays are used for _______

single pole single throw operations
single pole double throw operations
latching and time delay operations
all of the above


.All control relays use at least a _______.

single pole double throw switch


A CONTROL relay is similar to a _______.

single pole double throw switch


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