Common Source Amplifier
Fig. 23 shows the circuit of a common source n-channel JFET amplifier. When the positive half cycle of applied input signal voltage vgs is superimposed on VGG, then the gate …
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Difference between Step-up and Step-down Transformer
Transformer Definition For many purposes, it is necessary to change (or transform) an alternating voltage from one to another of greater or smaller value. This is done with a device …
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State and prove green’s theorem
Statement of Green’s theorem Green’s theorem is the extension of Stoke’s theorem and the divergence theorem. According to this theorem, if ϕ and ψ be the scalar functions, then Proof …
Prove Divergence and Curl of magnetic field
Divergence and Curl of magnetic field Divergence of Magnetic Field We know, the magnetic field produced by a current element Id L vector at a point P (x,y,z) whose distance …
What is the main application of ampere’s circuital law?
Ampere’s circuital law has many applications in calculating magnetic field at any point due to current-carrying wire, current-carrying solenoid, and toroid. Application of ampere’s circuital law Magnetic field due to …
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Stokes Theorem
Stokes Theorem Statement According to this theorem, the line integral of a vector field A vector around any closed curve is equal to the surface integral of the curl of …
What is a cyclotron? Construction and working of a cyclotron.
In cyclic accelerators, particles move in a circle until they acquire sufficient high energy. Examples of such accelerators are cyclotron, betatron, synchro-cyclotron, synchrotron, proton synchrotron. Construction and Working of a …
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Difference between the n-type and p-type Semiconductor
These are the basic, difference between the n-type and p-type semiconductor Sr. No. P-type Semiconductor N-type Semiconductor 1. A p-type semiconductor is formed by adding a III group element as …
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Difference between rheostat and potentiometer.
9 basic difference between rheostat and potentiometer Sr. No. Potentiometer Rheostat 1. A potentiometer is an instrument or component in electronics that is used to compare or measure the potential …
What is an ac capacitor? And what does a capacitor do in an air conditioner?
An air conditioner Capacitor fails is a major problem in the summer season. Before fixing this problem we need to know about “what does a capacitor do in an air …
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