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Resistance is like frictional force. It opposes flow of electricity. So this will consume some electricity in the form of heat. Measured (in Ohm) Inductance (in Henry) nd capacitance (in farad) stores energy in their electromagnetic nd electrostatic fields respectively. They don't consume any power. But in real scenarios due to the element's internal resistances used in design they usually have a drop. But these two have important spot in engineering. Both of them effects the powerfactor in the circuits.

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Resistance is when voltage & current stay in phase, and it follows basic Ohms law. It is considered as 'real'.

Reactance is when Voltage & current are 90deg out of phase. Depending on whether it is +90 (lead) or -90 (lag) it is called an inductive reactance or capacitive reactance. Reactance is normally denoted by the imaginary operator 'j'

Impedance is a combination of both of the above. It is usually rep as a complex number like 2 - j3.5.

The phase angle between V & I could be any value

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Q: What are the differences between resistance and capacitance and inductance?
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What is the Relationship between resistance and inductance in a RL circuit?

What is the Relationship between resistance and inductance in a RL circuit?


What is the relationship between resistance and capacitance in a clc circuit?

The relationship between resistance and capacitance in a clc circuit is the capacitive reactance given by XC.


What is the phase shift between voltage and current when an capacitance is connected to the circuit?

The amount of phase shift depends on the resistance that is also present in the system. In an ideal situation, the phase shift would be +90 degrees, but that would require a voltage source with zero resistance, conductors with zero resistance, and an ideal capacitor that exhibited only capacitance.


What is the difference between capacitive reactance and capacitance?

Capacitance is a physical characteristic of a pair of conductors, dependent upon the distance between them, the opposing cross-sectional areas of those conductors, and the nature of the dielectric between them, and is measured in farads.Capacitive reactance is the opposition to the flow of current of a circuit, determined by that circuit's capacitance and the frequency of the a.c. supply applied to that circuit, and is measured in ohms.


Definition of a capacitance in mosfet?

Capacitance in mosfet is of three types: gate capacitance diffusion capacitance routing capacitance Gate capacitance: limits the speed of the device t which it can be operated Diffusion capacitance: It is the capacitance due to charge carriers between drain and source. Routing capacitance: It is the capacitance of the metal which is deposited on the top of oxide layer.

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When voltage and current waveforms are out of synch the power factor is reduced. In a pure resistance load the PF is 1. When inductance and capacitance is involved the PF is from 0 to 1.


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Define capacitance with respect to physical structure and electrical function?

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What is the difference between capacitive reactance and capacitance?

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