Electromagnetic relay(check my solution please )

In summary, when switch 1 is closed in the electric device shown in the diagram, current flows through the circuit and creates a magnetic field which immediately closes switch 2, allowing current to flow through the second circuit. However, there may be a slight delay before switch 2 closes.
  • #1
supernova1203
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Electromagnetic relay(check my solution please :) )

Homework Statement


The following diagram shows an electric device that uses some of the principles discussed in this lesson.

Discuss the sequence of events that occur when switch 1 is closed.

*The diagram is in the attachment, you don't have to download the attachment to view it *

Homework Equations


The Attempt at a Solution



Current flows through the circuit, coming out of the positive terminal in circuit 1, hitting the metal which is wrapped around a coil, this would create a strong magnetic field , which would then act upon the 2nd circuit. This then immediately closes the 2nd switch, the current in the 2nd circuit can then flow.
Is this what happens? If not can someone please tell me what happens then?
 

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  • #2


supernova1203 said:

Homework Statement


The following diagram shows an electric device that uses some of the principles discussed in this lesson.

Discuss the sequence of events that occur when switch 1 is closed.

*The diagram is in the attachment, you don't have to download the attachment to view it *

Homework Equations





The Attempt at a Solution



Current flows through the circuit, coming out of the positive terminal in circuit 1, hitting the metal which is wrapped around a coil, this would create a strong magnetic field , which would then act upon the 2nd circuit. This then immediately closes the 2nd switch, the current in the 2nd circuit can then flow.



Is this what happens?

Yes, but not instantly :wink:
 
  • #3


Ahh.. thank you! :)
 

Related to Electromagnetic relay(check my solution please )

What is an electromagnetic relay?

An electromagnetic relay is an electrical switch that uses an electromagnet to control the flow of current. It consists of a coil of wire wrapped around an iron core, an armature, and a set of contacts. When a current passes through the coil, it creates a magnetic field that attracts the armature and closes the contacts, allowing current to flow through the circuit.

How does an electromagnetic relay work?

When a current passes through the coil, it creates a magnetic field that attracts the armature. This movement of the armature closes the contacts, completing the circuit and allowing current to flow through. When the current is removed, the magnetic field disappears and the contacts open, breaking the circuit.

What are the advantages of using an electromagnetic relay?

One advantage of using an electromagnetic relay is that it can control high-power circuits with a low-power signal. It also provides electrical isolation between the control signal and the circuit being controlled, making it safer to use in certain applications.

What are the applications of electromagnetic relays?

Electromagnetic relays are commonly used in control systems, automation, and power distribution. They can also be found in consumer electronics, appliances, and vehicles.

What are the differences between electromagnetic relays and solid-state relays?

The main difference between electromagnetic relays and solid-state relays is the way they switch the current. Electromagnetic relays use an electromagnet to physically open and close the contacts, while solid-state relays use semiconductor switches to control the flow of current. Solid-state relays also have a longer lifespan and are more resistant to mechanical wear and tear.

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