Electronics Engineering

A programmable logistic controller (PLC) is an industrial digital computer designed for the control of manufacturing processes and machinery. It can be programmed to automate a variety of tasks, such as monitoring inputs, processing data, and controlling outputs in real-time. PLCs are widely used in various industries for tasks like assembly line operations, conveyor systems, and robotic devices, allowing for greater efficiency and flexibility in production. They are known for their reliability, ease of use, and ability to operate in harsh environments.

First off, some background- led chips are solid state devices that emit light ( and heat out the back) when driven with a DC voltage across a junction . As long as the voltage is within a range the led will emit light. To high and the led will be destroyed, too low and you get no light.

There is no difference in the LED chip between dimming and non dimmable.

BUT, there is a difference in how the chips might be circuited together and in the necessary control gear that is required to drive the led chip ( think a fluorescent lamp and its ballast, or a low voltage halogen lamp and its step down transformer). This equipment that drives the LED can have many different configurations,- direct DC, ( like an A cell battery) AC to DC conversion ( like the power brick that powers your laptop) and a host of others. These are the components that effect whether the LED can be dimmed. Plus there are lots different dimmers out there. With simple incandescent sources and their transformers you can have triacs, forward phase dimming, reverse phase dimming and that's before you get into two wire, 0-10V dimming and digital dimming with other light sources.

Example- If you have a driver that senses incoming voltage and is designed to maintain a steady voltage to the rest of the electronic components in the driver, using a simple dimmer that varies the voltage will produce erratic control- since the driver is compensating for the loss in voltage at the start of dimming, and at the end dimming might have some leakage current that causes the LED to glow and " flash". No what you would consider a nice dimming curve.

So the short answers is no difference in the actual chip, but the driver will determine if the complete system can be dimmed.

Impure semi conductor material are called extrinsic semi conductor as there a small quantity of foreign particle is present.

Two types of impurities are added to an extrinsic semi conductor.

When impurities belonging to third group are called as trivalent or acceptor impurities such as boron, aluminum, indium or gallium when these impurities are added in pure semi conductors they form p-type semi conductor.

And similarly when impurities belonging to group fifth called as penta valent or donor impurities such as arsenic, antimony, bismuth or phosphorus are added to a semi conductor they form N-type semi conductor .

electronics and telecommunication

yes

Astimagnetism is use to lessen the magnitude of beam current.

A:I believe it stand for audio frequency

Hertz (Htz)

universal logic network

Because , it will be easier to use , remove & replace a cascaded ic .

1. A 2 input NAND gate requires 4 NOR gates.
2. A 3 input NAND gate requires 5 NOR gates.
3. A 4 input NAND gate requires 6 NOR gates.
4. etc.

"Sensitivity" is not a word normally applied to resistors. Characteristics of resistors include "resistance", "tolerance", "power rating", and "temperature coefficient". "Inductance" and "capacitance" are also used in describing certain critical performance resistors.

A 22 KOhm resistor will require 22 v of voltage to induce a current of 1 ma. This is Ohm's Law: voltage = current times resistance.

A rectifier fuse is a protective device designed to safeguard rectifier circuits, which convert alternating current (AC) to direct current (DC). It functions by interrupting the electrical flow in case of an overload or short circuit, preventing damage to the rectifier and other components in the circuit. Rectifier fuses are typically rated for specific voltage and current levels to ensure effective protection. They are commonly used in power supplies, battery chargers, and various electronic devices that require stable DC output.

Today's computer forensics allow for data to be recovered from hard drives even after they have been erased and written over. To fully insure that corporate secrets are not made available to competitors, the best safety is to physically destroy the hard drive.

The J-K flip-flop is the most versatile of the basic flip-flops. It has the input- following character of the clocked D flip-flop but has two inputs,traditionally labeled J and K. If J and K are different then the output Q takes the value of J at the next clock edge.

If J and K are both low then no change occurs. If J and K are both high at the clock edge then the output will toggle from one state to the other. It can perform the functions of the set/reset flip-flop and has the advantage that there are no ambiguous states. It can also act as a T flip-flop to accomplish toggling action if J and K are tied together. This toggle application finds extensive use in binary counters.

NO

The Hall effect is the production of a voltage difference (the Hall voltage) across an electrical conductor, transverse to an electric current in the conductor and a magnetic field perpendicular to the current. It was discovered by Edwin Hall in 1879

Using Maxwell's Equations.

An off-line UPS remains idle until a power failure occurs, and then switches from utility power to its own power source, almost instantaneously. An on-line UPS continuously powers the protected load from its reserves (usually lead-acid batteries or stored kinetic energy), while simultaneously replenishing the reserves from the AC power.

The on-line type of UPS, in addition to providing protection against complete failure of the utility supply, provides protection against all common power problems, and for this reason it is also known as a power conditioner and a line conditioner.

Regards, Suresh ViIjaykumar ,

The most generalized reason would be:
"To solve initial-valued differential equations of the 2nd (or higher) order." Laplace is a little powerful for 1st order, but it will solve them as well.
There is a limitation here: Laplace will only generate an exact answer if initial conditions are provided. Laplace cannot be used for boundary-valued problems.

In terms of electronics engineering, the Laplace transform is used to get your model into the s-domain, so that s-domain analysis may be performed (finding zeroes and poles of your characteristic equation).
This is particularly useful if one needs to determine the kind of response an RC, RLC, or LC circuit will provide (i.e. underdamped, overdamped, critically damped).
Once in the s-domain, we may begin discussing the components in terms of impedance. Sometimes it is easier to calculate the voltage or current across a capacitor or an inductor in terms of the components' impedances, rather than find it in a t-domain model.

The node-voltage and mesh-current methods used to analyze a circuit in the t-domain work in the s-domain as well.

are the main safety precautions while re[pairing electronic equipments like TV, VDV, radio etc

are the main safety precautions while re[pairing electronic equipments like TV, VDV, radio etc

Stevens 416 is the same

hell yea. n it sucks

Since E=BLV (Equation for a moving conductor) Solve the equation for V to get V = (E/BL) E = EMF given, which in this case is 110. Convert it to Volts. E = .11 volts

V = .11volts / (.98 T * .132 M) = .850 m/sec