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Which of the following can switch the current by a make or break contact?
- a)transistor
- b)relay
- c)buffer
- d)fet
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
Which of the following can switch the current by a make or break conta...
Explanation: The relays are a kind of switching power in which the logic signal is used to energise the relay. The relay contacts are break or make accordingly and helps in switching the current.
Most Upvoted Answer
Which of the following can switch the current by a make or break conta...
Relay
Relay is a device that can switch the current by a make or break contact. It is an electromagnetic switch that uses a small current to control a larger current. Here's how a relay works:
- Operation: When a small current flows through the coil of the relay, it creates a magnetic field that attracts a switch, closing the contacts to allow a larger current to flow through.
- Make or break contact: The contacts in a relay can either make a connection (allowing current to flow) or break a connection (stopping the current flow), depending on the state of the relay.
- Switching capacity: Relays can switch both AC and DC currents, making them versatile for various applications.
- Uses: Relays are commonly used in control circuits, automation systems, and power distribution systems to control high-power devices with low-power signals.
In summary, a relay is a crucial component in electrical circuits that allows for the switching of current using a make or break contact, making it an essential device in various electronic and electrical systems.
Relay is a device that can switch the current by a make or break contact. It is an electromagnetic switch that uses a small current to control a larger current. Here's how a relay works:
- Operation: When a small current flows through the coil of the relay, it creates a magnetic field that attracts a switch, closing the contacts to allow a larger current to flow through.
- Make or break contact: The contacts in a relay can either make a connection (allowing current to flow) or break a connection (stopping the current flow), depending on the state of the relay.
- Switching capacity: Relays can switch both AC and DC currents, making them versatile for various applications.
- Uses: Relays are commonly used in control circuits, automation systems, and power distribution systems to control high-power devices with low-power signals.
In summary, a relay is a crucial component in electrical circuits that allows for the switching of current using a make or break contact, making it an essential device in various electronic and electrical systems.
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Which of the following can switch the current by a make or break contact?a)transistorb)relayc)bufferd)fetCorrect answer is option 'B'. Can you explain this answer?
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