Electronics Engineering

Diode rectifier

1.) Turn all the power in the circuit off. 2.) In volts mode (both AC and DC) check to make sure there is no power. 3.) In ohms mode check to see if the resistance is close to zero. (Check zero by connecting the leads together momentarily.) Note that light bulbs will have far less resistance cold than when hot, due to their negative temperature coefficient, so you should remove them, and that transformers and motors will appear to have zero ohms due to their inductive reactance, so they will also need to be pulled from the circuit.

18 Volts.

2.4GHz is used & OFDM

We might identify an integrated circuit (IC) by recognizing it in a circuit. A voltage regulator in a piece of electronic equipment might be an example of an IC that a technician might recognize. There is also the idea that the number on the package can be used to cross reference the device and identify it. There are a number of cross reference guides on the web that will assist in locating a data sheet on a particular package.

A: is not current or voltage but rather the product that is of concern

Applied input signal at the base of the amplifier appears across the emitter resistor (RE) due to inter electrode capacitance so it should be bypassed the emitter resistor (RE) through the bypass capacitor (CB). unbypassed signal will be amplified (common emitter amplifier) and reverse back from the emitter to the collector through the base, amplified signal from the emitter to the collector (common emitter amplifier) is 1800 out of phase to the amplified signal from the base to the collector (common base amplifier), so reduced the gain.

AC voltage controllers are used for controlling the speed of universal motor or induction motor by changing the firing angle :) -vinodh gav

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T1 connection - Transmit data up to 1.544 Megabits per second. Upload bandwidth is the same as the download bandwidth. Used by medium sized businesses. European standard is called E1 and transmits data up to 2.048 Megabits per second.

T3 connection - Transmit data up to 45 Megabits per second. More expensive than T1 connection's. Used by larger businesses. European standard is called E3 and transmits data at 34.368 Megabits per second.

Metro Ethernet - Used by large companies such as banks. Connects main office with other branches using switched technology allowing for large amounts of data to be transferred fast and less expensively.

If you are talking about alternating current you would use a step down transformer with the primary being 240 volts and the secondary being 24 volts.

The total resistance would be 40 ohm.

The cathode-ray oscilloscope is an electronic display device containing a cathode-ray tube (CRT), used to produce visible patterns that are the graphical representations of electrical signals while CRT (cathode ray tube) is a tube that uses high voltage to fire electrons at a screen

555 an IC which can be used for many applications and one of the application is astable multivibrator. For many applications we use IC 555 because its cost effective and have lot of features.
The main difference is astable multivibrator switches from one state to another state automatically i.e when a pulse is given to astable multivibrator, it immediately switches to high state and remains for certain time and switches back to low state. In 555timer you can decide your own application.

The rotor in a DC motor rotates because the magnetic field in either the rotor or the stator is constantly changing. If it is a brush type DC motor, then the rotor field changes as the rotor moves to a new position on the commutator. If it is a brush-less type DC motor, then there is some circuitry associated with the stator that changes the stator field.

If the SNR is too low, the signal cannot be distinguished from the noise. The signal must be boosted, or noise must somehow be removed.

integrated circuits and components made in GaAs are much faster than silicon because its low field electron mobility is larger than silicon. GaAs has ability to emit light used in leds,lasers and microwave emitter used in cellular phones

One can purchase a Marshall Plexi amplifier on online shopping sites such as EBay, Musicians Friend, or ZZounds. If looking to purchase offline, one may wish to visit their local music store.

An ammeter measures current, an important variable in electronics.

Depending on the particular microprocessor, a machine cycle is the fetch or store of one (typically, one byte) native word. In the 8085, this is a byte fetch or store, plus the overhead in decoding and processing the instruction. In this case, the first machine cycle is four clock cycles, or T states, and subsequent machine cycles are three clock cycles, although certain instruction sequences, such as DAD, require two extra clock cycles.

Photovoltaics means to generate electricity from sunlight. Tiny photovoltaic cells are used in devices such as calculators, to save battery power. Larger systems are used to provide electricity to devices or homes that are far from the interconnected electric network.

All I know is that when a number is negative, you convert the decimal into binary and if it is negative you put 1111 before the binary digits.