What do you mean by resistance, Electrical Engineering

Assignment Help:

Q. What do you mean by Resistance?

An ideal resistor is a circuit element with the property that the current through it is linearly proportional to the potential difference across its terminals,

i = v/R = Gv, or v = iR

which is known as Ohm's law, published in 1827. R is known as the resistance of the resistor with the SI unit of ohms (), and G is the reciprocal of resistance called conductance, with the SI unit of siemens (S). The circuit symbols of ?xed and variable resistors along with an illustration of Ohm's law. Most resistors used in practice are good approximations to linear resistors for large ranges of current, and their i-v characteristic (current versus voltage plot) is a straight line.


Related Discussions:- What do you mean by resistance

Explain working of voltmeter, Q. Explain working of Voltmeter? In order...

Q. Explain working of Voltmeter? In order tomeasure the potential difference between two terminals or nodes of a circuit, a voltmeter is connected across these two points. A pr

Operation of a transistorized phase shift oscillator, Q. Discuss the operat...

Q. Discuss the operation of a transistorized phase shift oscillator with the help of a diagram? Explain the phase shifting circuit? An oscillator is a circuit which converts elec

Determine the actual attenuation , (a) Design a passive high pass filter th...

(a) Design a passive high pass filter that has a maximally flat response with a 50  Ω resistive load. Assume that the cut-off frequency is 40 kHz and that at a frequency of 25 kHz,

What do you understand by analog to digital conversion, Q. What do you unde...

Q. What do you understand by Analog to Digital conversion? What do you understand by A/D conversion? Give an explanation of any one of the following A/D techniques: (i) Su

Explain multimedia extensions technology, Explain MMX Technology. Mult...

Explain MMX Technology. Multimedia extensions technology adds 57 newly instructions to the instruction set of the Pentium - 4 microprocessors. The Multimedia extensions techno

Design a 4-bit universal shift register, Q. Obtain a block diagram of a shi...

Q. Obtain a block diagram of a shift-left/right register using D flip-flops. Q. Design a 4-bit universal shift register. Q. (a) Show a block diagram of an SRFF connected to s

Three phase steam turbine generator, A 3 phase 400 volt(line to line) wye c...

A 3 phase 400 volt(line to line) wye connected synchronous motor has Xs= 1 ohm per phase and a negligible armature resistance. The field current is so adjusted that the internal(in

Determine the number of poles of this ac motor, Q. A three-phase ac motor, ...

Q. A three-phase ac motor, used to drive a draft fan, is connected to a 60-Hz voltage supply. At noload, the speed is 1188 r/min; at full load, the speed drops to 1128 r/min. (a

Wye-delta transformation., what is the literature review about wye delta tr...

what is the literature review about wye delta transformation?? for 3 paragraphs atleast*

Discuss the nature of sinusoidal signal, Q. Discuss the nature of sinusoida...

Q. Discuss the nature of sinusoidal signal? Discuss the nature of evenness and oddness of: (a) The sinusoidal signal x(t) = A cos(2πf 0 t + θ). (b) The complex exponentia

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd