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WorksheetsDC Circuits III MA 2 16 23
Total questions: 10
Worksheet time: 7mins
What will happen to the magnets when they are brought closer together?
The magnets will attract each other.
The magnets will repel each other
The magnets will create a voltage.
The magnets will start spinning faster the closer they get.
A magnetic field is the lines in which magnetic force acts. Lines emanate from the north pole and enter the south pole of a magnet, forming a closed loop.
True.
False.
What is a current carrying conductor wrapped around a metal core called?
Coil
Conductor
Magnet
Insulator
The strength of a magnetic field can be affected by:
The number of turns of conductor
The amount of current flow through the conductor
Type of material in the core
All of the above
A common application of a solenoid is a relay. Which of the following is the relay?
In regards to a relay, the Normally Open Contacts (NO) allow current to flow through the contacts, until the coil is energized.
True.
False.
What will happen to the indicator lamps when the Start switch is pressed?
The Red(R) lamp will turn on and the Green(G) lamp will turn off.
The Green(G) lamp will turn on and the Red(R) lamp will turn on.
The Red(R) lamp will turn off and the Green(G) lamp will turn off.
The Green(G) lamp will turn on and the Red(R) lamp will turn off.
Turning the Power On will automatically turn On Pump 1.
True.
False.
What type of relay does the diagram represent in regards to poles and throws?
SPST
SPDT
DPST
DPDT
Relay Logic: Relays can be configured within a control circuit to do which of the following specific outcomes?
Energize
Maintain
Disable
All of the above.
