Recent questions in Electrical Engineering

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????(????) = 10 cos(2000???????? + 0)

Estimate the values of time t , at which the current becomes 5A for the following waveform described by: ????(????) = 10 cos(2000???????? + 0) Also plot the above waveform for three complete cycles by properly labelling the axis.
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Electronic materials

what is the structural difference between hexagonal closed packed and face centered cube
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What are different types of Rotor construction?

Rotor design is very important in a generator. Please provide the names of some of its construction types.
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What is a three-phase generator?

Hi I want to understand the composition of a three phase generator. Please elaborate.
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What is a synchronous generator?

One of the generator types is synchronous generator. Please explain what makes a generator a synchronous generator.
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"What is the difference between DC Generator and AC Generator? "

DC and AC generators are commonly used these days. Please guide me about the difference in their different parts.
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do you think that biomedical engineering is a profitable job?

i am looking for a good job in electrical enginieering that have a high condition by the way i'm not choose the sabcategory yet...
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What's the ohms law ?

Ohm’s law states that the voltage across a conductor is directly proportional to the current flowing through it, provided all physical conditions and temperature remain constant.
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Solved
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A voltage vL(t)=10cos(2000πt) is applied to a 100-mh inductance.

Find the complex impedance of the inductance. Find the phasor voltage and current, and construct a phasor diagram. Write the current as a function of time. Sketch the voltage and current to scale versus time. State the phase relationship between the current and voltage.
2

What is a Filter?

Hi I have just started my electronics course and I need a basic concept about filters. Please help me out.
1

What is Rectifier?

Hi I attended my electronics class about diodes but I am not clear about rectification process. Please elaborate.
1

What is the most common use of a transformer?

Hi I am preparing my presentation about transformers and I need to specify the most common use of it. Please help.
1

What is the use of voltage regulator in power supply?

Hi I am reading about power supplies and I saw a voltage regulator in its structure. Please explain the use of it in power supplies.
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A current i(t)=10cos(2000πt) flows through a 100-Ω resistance.

Sketch i(t) and p(t) to scale versus time. Find the average power delivered to the resistance.
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Electrical Engineering