Electronics Engineering

system block diagram means we have use to only a type of ammeter ,voltmeter ,some cro so,but cable block diagram mean ,we use some,co-axial cable,normal cable,and etc

Almost any PC can be used for programming almost any PLC system

The programming interface will be either a serial port, a USB port of increasingly, an Ethernet port.

The PC will usually require the appropriate development software that is supplied, in most cases, byt eh PLC manufacturer.

Yes,schmitt trigger has upper and lower threshold voltage for the reason of noise protection while square wave generator doesn't have these properties.

normal amplifier is a mathametical operation analog the computer,

magnetic amplifier is sound operation of the signal

Every inch of the way from the electric power generator to the outlet in your house.

At times, the generator that produced the power for your house may be located in

another state, several hundred miles away.

1. beacon is used to serve the purpose of association services where as a probe is used to serve the purpose of reassociation services.

2. beacon is used in registration procedures whereas a probe is used in handoff procedures.

by Yusuf Javed

Mob. +919893872319

yes

for transmission of the signal to take place smoothly,digital tranmission needs to be modulated over a carrier

How much power it can dissipate without being damaged.

at full input, if the transistor is working, the value of capacitor will be 0.

no you can't use dc motor to power hydro turbine ?

In a series circuit the current remains the same throughout the circuit. This is not the case for parallel circuits.

Depends on what you mean by high frequency. The rabbit ears antenna used in broadcast TV is a dipole and is used for VHF.

It depends on the required output current, load rejection factor, and ripple. Also, efficiency enters into the picture.

if you have something that rotates 360 degrees, it ends up back where it started. the geometry produces a sine wave. DC generators have a design that switches during rotation, or otherwise they generate AC then convert it.

finding h parameters involves open and short circuits which is difficult to obtain at high frequencies due to stray inductance and capacitance

By using right hand rulee.. how?? let me explain.. first you should be knowing the direction of flow of current, then hold the current carrying conductor by your right hand in a way that your thumb points the direction of current flowing and curl your fingures around the conductor the manner your figures curl around condutor would determine the the magnetic field's direction that may be clockwise or anti-clockwise..thankkxx.

A series motor can run away and reach a high speed on no-load, which happens because it accelerates until the back emf generated in the rotor is nearly equal to the supply voltage. On no-load the current and therefore the field are both small, so the motor speed has to rise to equalise the generated voltage.

by reverse breakdown voltage & forward current capacity

yes, of course it is. one way is using a curve tracer.

If you are asking how a voltmeter should be connected in a circuit, then the answer is that it should be connected in parallel with the device across which you want to determine the voltage. This applies whether the circuit is d.c. or a.c.

I don't see a question. Please clarify if you want an answer.

All negative feedback systems, whether they be electronic, biological, or anything else, work by applying a negative feedback to the source signal, which is proportional in some way to the source signal.

If the factor by which the amplifier corrects is high enough, oscillation will result (perhaps even runaway oscillation)

How you make it happen depends upon the amplifier you use however -- though most work similarly enough. You could use a delay between output and feedback, or you could rely on a large amplifier gain.