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are the main safety precautions while re[pairing electronic equipments like TV, VDV, radio etc

are the main safety precautions while re[pairing electronic equipments like TV, VDV, radio etc

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What printed circuit board is the most important circuit board in the computer?

The motherboard aka mainboard


What is the difference between plug in and draw out in circuit breaker?

In circuit breakers, "plug-in" refers to a type of design where the breaker can be easily inserted into a panel or bus bar, allowing for quick installation and replacement. In contrast, "draw-out" circuit breakers are designed to be removed from the panel while still connected to the system, facilitating maintenance and testing without interrupting the electrical supply. The draw-out design typically includes mechanisms for safe handling and isolation. Both types serve the fundamental purpose of circuit protection but differ in their installation and maintenance approaches.


Where isolators are placed in substation?

An isolator is a non load-breaking switch, and is provides a visible means of isolating a component, such as a circuit breaker, transformer, etc., from the high-voltage lines, whenever it is necessary to perform maintenance of that component. Normally, isolators come in pairs, with one on each side of the component to be isolated. Isolators are only opened afterthe load current has been broken using a circuit breaker, and must be closed before the circuit breaker is reclosed.To work on, say, a h.v. circuit breaker, the breaker must be tripped, the isolators on either side must be opened and locked off, temporary earths attached to either side of the circuit breake- to-work card, detailing the maintenance work, must be issued to the crew by the supervising engineer.


Should you worry about capacitor lead length in a circuit?

Capacitor lead length is a consideration in a circuit when the frequency involved is sufficient the make the parasitic capacitance and inductance of the leads important.


What is Short circuit maintenance current transformer in automatic voltage regulator?

the SCT is used to provide excitation during short circuit conditions. under Short Circuit the voltage may drop below threshold level causing field current to drop, to avoid over excitation by the AVR, the short circuit provides the excitation energy required to maintain a voltage that allows protective devices to operate and isolate the fault. the SCT is open under normal operating condition

Related Questions

What safety precaution is in place to prevent an overheated circuit from getting too hot?

One safety precaution is the presence of a fuse or circuit breaker in the circuit. These devices are designed to disconnect the power supply if the circuit overheats, preventing damage or fire. Additionally, circuit components like resistors and thermal switches can be used to detect and control the temperature of the circuit.


What is a condition for resonance for an electrica circuit with reactive element?

For resonance to occur in an electrical circuit with a reactive element, the reactive element's reactance needs to be equal and opposite to the circuit's impedance. This occurs when the capacitive and inductive reactances cancel out, resulting in a net impedance that is purely resistive. At this point, maximum current flows through the circuit, enhancing certain frequencies.


What are the potential dangers associated with a loose circuit breaker in a home electrical system?

A loose circuit breaker in a home electrical system can lead to overheating, electrical fires, and electrical shocks. It can also cause damage to appliances and electronics connected to the circuit. Regular maintenance and prompt repairs are important to prevent these dangers.


Why is grounding is used before starting work in an electrical system?

This is a safety precaution so that you don't inadvertently become the ground if you touch a hot circuit.


Why is a fuse wire necessary in a circuit?

a fuse wire melts when current passing through it exceeds a certain value as in overloading and short circuiting .this breaks the circuit prventing further current flow and damage ..


How would you connect solar panels to a circuit breaker?

To connect solar panels to a circuit breaker, you would typically connect the output of the solar panels to a solar charge controller which then connects to the circuit breaker. The circuit breaker acts as a disconnect switch to isolate the solar panels from the rest of the system for safety and maintenance purposes. It is important to follow all electrical codes and regulations when connecting solar panels to a circuit breaker.


Why electric circuit so important?

because with no circuit no current can flow.current is important in electricity to produce power to work.


Why does electrc trip when you plug in tumble dryer?

A common reason for a tripped electrical circuit when plugging in a tumble dryer could be an overload of the circuit. Tumble dryers require a high amount of power to operate, and if the electrical circuit is already stressed with other appliances, it may trip as a safety precaution. It is advisable to have a dedicated circuit for a tumble dryer to prevent tripping.


What does a draw out circuit breaker mean?

A draw-out circuit breaker is a type of circuit breaker that can be easily removed from its housing for maintenance or replacement without having to shut down the entire system. This feature allows for quick and convenient access to the circuit breaker for servicing purposes.


What should one do with old Circuit City credit cards?

There are many things one should do with old Circuit City credit cards. One should cut the cards up into little pieces as a safety precaution so that no one can use them for fraudulent purposes.


What is electricity isolators?

Electricity isolators are devices that are used to disconnect a circuit or equipment from the power supply, ensuring that no electricity flows to the circuit or equipment. They are often used for maintenance, repair, or emergency situations to safely work on electrical systems without the risk of electric shock.


In the Ohm's law experiment it is advised to take out plug from the key when the observetion are not being taken. Why?

Taking out the plug from the key ensures the circuit is broken and no current is flowing, which helps prevent any potential overheating or damage to the components in the circuit when observations are not being taken. It is a safety precaution to minimize the risk of accidents or electrical hazards when the circuit is not in use.