Electronics Engineering

The zener diode protects the meter by stabilizing the voltage when it goes in to the breakdown region.

What is meant by discrete in values with respect to flip-flops and latch is 0 and 1.

A buffer amplifier is a type of operational amplifier that amplifies your input signal with a gain of 1 (so your output will be identical to your input, voltage-wise).

Buffer amplifiers are used commonly due to having a very high input impedance. This means that loading effects (external factors that your circuit has to deal with) like large currents that could mess with your circuit otherwise, are avoided. A buffer amplifier is often used as the first stage of a circuit because it effectively isolates your circuit from loading effects.

To conduct the flow of electrons/electricity from the battery to the bulb and back.

The secondary voltage of a transformer with a turns ratio of 5 to 1, and primary voltage of 200 is 40. (5 to 1)

the symbol of current density is 'J'.

& its unit is (Amp/m^2)

common to start and common to run

There aren't any similarities. They are different types of components.

time delay

IC 7806 is the voltage regulator that gives 6V dc voltage from 230V ac power supply. It is used to give power supply to the IC which operates on 6V.

when earth fault occurs very near to the neutral point of wye winding, the voltage available for driving earth fault current is small. Hence fault current is low. Relay has to be too sensitive and then it can operate for spurious signals like external faults, switching surges etc.

a centrifigal air conditioner

The difference between the pn-junction diode and the zener diode is that the pn-junction diode is used for rectification while the zener diode is used for rectification and stabilization. Also, the zener diode can function in the breakdown region while the pn-juntion diode can not function in that regime.

Both the CD4026 and CD4033 are BCD to 7 Segment counter/decoders. The 4026 has a display enable input/output, while the 4033 has a ripple blanking input/output.

4026

for better programing

ideally there will not be any resistance to the capacitor,so at this condition it should not not discharge the stored energy. but practically small resistance will be there in the capacitor so the energy stored by the capacitor will be discharged through resistance.

SInusoidal oscillators have a wide range of applications including usage in radios, televisions, communication systems, computers, industrial controlled applications, and laboratories. They work as as a function or signal generator.

r=500

Cutoff voltage is the point at which the battery is fully discharged. This is usually the point at which the device will shut itself off.

(A) The bias battery voltage

(B) 0V

(C) the diode barrier potentiaol

(D) The total circuit voltage

pentavalent and trivalent atoms

The operations of power electronic converters are mainly based on the switching of power semiconductor devices. Due to this the converters introduce voltage and current harmonics into the source as well as load. These harmonics can cause problems of distortion in the output voltage and current and also electromagnetic interference with the neighboring systems. To reduce these harmonics to an acceptable level it is necessary to introduce filters on the input and output of the converter. To evaluate the performance of the converter the quality of the waveform (voltage and current) needs to be measured using factors such as total harmonic distortion (THD), harmonic factor (HF) and input power factor (IPF). The implementation of proper control algorithm in the controller, generation of harmonics and distortion in the output waveform can be reduced. The switching of the power devices in power electronic converter can cause radio frequency interference due to electromagnetic radiation as a result gating circuits may generate erroneous control signals. This interference problem can be avoided by the use of grounded shielding.

i dont know .

As we know that P=VI, and P is a constant value for any particular motor, so if the voltages will drop current will increase so that the product of V and I be the that particular constant value for any particular motor