The Power Rating Of A Resistor Is The Maximum

Power rating indicates the maximum heat a resistor can dissipate safely. B what is the greatest allowable potential difference across the terminals.

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Resistors are rated by the value of their resistance and the electrical power given in watts w that they can safely dissipate based mainly upon their size.

The power rating of a resistor is the maximum. The more watts a resistor can handle the larger and more expensive the resistor is. The nominal power rating is defined for a certain ambient temperature in free air. The power rating of a resistor indicates the maximum amount of energy it can dissipate without failing or degrading.

We know that resistor dissipates the excess energy in form of heat. The power rating of a resistor is the maximum power it can safely dissipate without being damaged by overheating. The power rating of a resistor is the specification given with a resistor that serves to tell the maximum amount of power that the resistor can withstand.

What is the meaning of power rating. The rating based on the physical size of the resistor the construction material and ambient temperature is limited by the maximum hot spot temperature. Every resistor has a maximum power rating which is determined by its physical size as generally.

The power rating of a resistor is the maximum power the resistor can safely dissipate without too great a rise in temperature and hence damage to the resistor. A if the power rating of a certain 150 kilo ohm resistor is 500 w what is the maximum current it can carry without damage. The power rating of a resistor defines the maximum energy a resistor can safely dissipate.

Thus if a resistor has a power rating of 14 watts 14 watts is the maximum amount of power that should be fed into the resistor. This is known as the resistor power rating. The power rating of a resistor is the maximum power the resistor can safely dissipate without too great a rise in temperature and hence damage to the resistor.

A 90kwrm k omega resistor is to be connected across a 120 vrm v potential difference. The voltage rating is for the resistor series typically and specifies the maximum peak voltage you can apply without danger of damaging the resistor due to corona breakdown arcing etc. Power is measured in units called watts.

Resistor power rating can be defined as the maximum power a resistor can handle safely without any damage. Most resistors are designed to handle 18 w or 14 w. The power rating of a resistor indicates how much power a resistor can handle before it becomes too hot and burns up.

The power rating is completely independent of the voltage rating.

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