Electronics Engineering

Depends on the material it's constructed from, the application for which it's being used and the atmospherics to which it's exposed. I have printed circuit boards from the very first model of an RCA transistor radio made in 1957 and the circuit board as well as the electronics still work.

No, anode rays are not negatively charged. They are positively charged ion.

Lack of any media like vacuum

Code 51 also refers to the throttle position sensor. You need to test the sensor - a factory repair manual will give the procedure and specs for testing.

A control system that appears to be self-regulating. Closed-loop systems employ feedback and a reference of correctness (norm or set point). Deviations from the norm are detected and corrections made in order to maintain a desired state in the system. Closed loop systems provide the homeostatic mechanism of many physiological functions (see negative-feedback) and also control some movement patterns, where feedback from proprioceptors and other receptors play an important part. Compare open-loop-system.

Feedback oscillators have a closed loop gain of

aluminum was used earlier,, now adays polysilicon is used

The frequency of a sine wave can be thought of in several different ways:

-- watching the wave from one fixed point, the number of times the wave reaches its maximum amplitude

in one second, or the number of complete waves that pass you in one second

-- the speed of the wave, divided by the distance between two consecutive maximum points on it

-- the reciprocal of the time it takes for one complete wave to pass you (' 1 ' divided by that length of time)

In steady state analysis, you assume anything that changes with time is 0. ie: d*rho/dt = 0. In transient, you keep all your d/dt terms. Steady state simplification is a handy tool to make many differential equations solvable, by reducing their "dimension", as x-direction, y-direction, z-direction, and time are each dimensions.

Two Integrated Circuit package types are Surface Mount and Through Hole.

A: The significance if it shift for some reasons there will be non linear output or saturation or cut off in the output.

The tiny piece of silicon onto which electronic circuits are embedded is called a die.

Inductive load power is reactive, it is given by the formula:

pL(t)=VL(t)IL(t),

in time domain (instant power);

PL(s)=VL,RMS(s)IL,RMS(s),

in Laplace transform domain (RMS denotes root mean square amplitude).

VL is the voltage across the inductor L and IL is its current (current enters in the "+" voltage reference pin, by applying user convention in which absorbed power is positive).

Power is reactive since voltage and current are always in quadrature:

VL(s) = s L IL(s),

in Laplace domain (derived from the time-domain formula vL(t)= L diL(t)/dt).

A real-life inductor will also show an active power term, which arises from parasitic resistance non-ideality; it can be modeled as a resistance DCR in series with the inductor itself:

pACT(t)=DCR IL(t)

<<>>

An inductive load such as an induction motor draws power from the supply with a power factor of less than 1.

Power = voltage x current x power factor.

This happens because the current reaches its peak in the ac cycle after the voltage, so that for a small part of the cycle power flows back into the supply from energy stored in the motor's internal magnetic field. The time-lag is measured in degrees and called the phase difference. 360 degrees denotes one complete cycle.

The power factor is the cosine of the phase difference, so that (for example) a resistive load has no phase difference so that the power factor is 1, while for a pure inductor the phase difference is 90 degrees and the power factor is zero.

If the rms voltage and current are expressed in complex-number form, also known as vectors or phasors, the real power is the real part of VI*, where the asterisk denotes the complex conjugate.

Another way to calculate the real power is to calculate the average value of the instantaneous power V x I. If the voltage is Vcos(wt) and the current is Icos(wt+phi) then those expressions can be multiplied together and trigonometry formulas used to show that the power factor is cos(phi) as stated.

Real power is measured from the average value of volts times amps with an instrument that contains a voltage coil and a current coil. The force produced is equal to the instantaneous power, and the instrument measures its average value muliplied by the time.

if you know the gauge of the wire you can learn its current carrying capacity

vary the rheostat by step by step note out the two voltmeter readings

There very well may be. The name "grandfather clock" comes from people saying, "that clock belonged to my grandfather." Thus, if you have a grandson, and he has a clock, it may be referred to as a "grandson clock."

Rip current affect the shape of theass

2^5 >19 > 2^4

32>19>16

so we use 5 flip flops for modulo 19

aise he answer mil jaye ga aur tum drdo ko submit kar do gay

work hard stop looking at google go through books if u wann a answer

Programmable logic devices were invented in the late seventies and

since then have proved to be very popular and are now one of the

largest growing sectors in the semiconductor industry. Why are

programmable logic devices so widely used? Programmable logic

devices provide designers ultimate flexibility, time to market advantage,

design integration, are easy to design with and can be reprogrammed

time and time again even in the field to upgrade system functionality.

The mgnetic inrush current is the current drawn by the transformer when power is applied to the primary winding

it refers to a grow silicon seed that is used to grow the final semiconductors