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Electrical Engineering

Electrical engineering is a field of engineering that deals with the study and application of electricity, electronics and electromagnetism.

23,056 Questions

What are the three electrical guantities?

The three electrical quantities are current voltage and resistance. Current is measured in amperes (A) and is the rate at which electricity flows through a conductor. Voltage is measured in volts (V) and is the electrical force pushing the current through the conductor. Resistance is measured in ohms () and is the opposition to the flow of current.

  • Current - measured in amperes (A)
  • Voltage - measured in volts (V)
  • Resistance - measured in ohms ()

Distinguish between open and closed systems?

Open systems are systems where items are free to enter and exit as they please such as Earth and the universe. Closed systems are contained such as that of a plant organism.

Viva questions on analog electronics lab 3rd semester engineering?

For example , if you are conducting the RC coupled the amplifier, the will be frequency response curve , due to which cc ,cce and ccb of internal capacitance of the transistor ,

In that you have take the gain as 3db .. at frequency response ,they will ask why you have to select the #db.. instead of 3db you select $ or 6db's ..

I will tell the reason later !!!

Bye

Eddy current dynamometer?

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What is a reference node and how is it used in the analysis of dc circuits?

It is the ground node. You need to find all extraordinary nodes when using node-voltage analysis; choose one to be ground. It can be selected arbitrarily.

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A trouble light has a resistance of 12 ohms and is rated 1 2 ampere what voltage must be applied to obtain the rates current?

I'm not entirely sure what your question is.

  • if the current is 12 ampere's, the voltage is 144 volts
  • if the current is 1.2 amperes, the voltage is 14.4 volts

Simple multiplication....................

Why are transformer more efficient than a rotating electric machine?

Transformers inherently do not have frictional losses, but transformers and rotating machines perform completely different functions, so I'm not sure it is fair to compare them. Transformers are used to transform electric energy (the input is electric energy, and the output is electric energy). Rotating machines either take electric energy and convert it to mechanical/kinetic energy, or take kinetic energy and convert it to electric energy.

Electrical engineering or software engineering is better?

It totally depends on which the candidate is interested in whether electrical or software engineering is better.

How does a fixed bore expansion device respond to a reduction in load?

How does a fixed bore expansion device respond to a reduction in load?

What are the advantages of dc generator?

DC generators are always useful in case of power outages. Many commercial companies use generators as back up units. DC generators are also energy efficient.

What is a control switch?

a control switch is a sort of remote controlled relay attached to home appliances which consumes more power.

What is inter polar axis in dc generator?

The inter-polar axis in a DC generator refers to the line that runs between the north and south poles of the field winding. It is crucial for the alignment of the magnetic field, which helps in the efficient generation of electricity. The positioning of the armature winding relative to the inter-polar axis is essential for minimizing armature reaction and ensuring a consistent output voltage. Proper alignment enhances the generator's performance and stability during operation.

What is the most common type of business?

if you mean what is the most common type of industry it depends on how developed countries are:

More developed countries the most common is tertiary then quaterniary then secondary then primary

less developed countries the most common is primar then secondary then tertiary than quaternary