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Electronics Engineering

Electronics Engineering is a branch of engineering that deals with practical applications of electronic components, devices, systems, or equipment. Electronics are devices that operate on low voltage sources, as in electron tubes, transistors, integrated circuits, and printed circuit boards and use electricity as part of its driving force.

24,372 Questions

In wireless analog or digital signal travel?

Analog and digital signals can both be transmitted wirelessly.

Wireless internet (Wi-Fi), for instance, uses digital. AM and FM Radio uses analog. Cell phones are digital. Cordless phones can be digital or analog.

What is the cost of digital multimeter?

In the US you can pick one up for under $5 at Harbor Freight. However if you want a decent one I suggest you get a Fluke brand. You can pick one of these up for under $100.

Silicon uses in electronics?

Silicon is used in electronics as a semi-conductor. All of the processing units in computers now use silicon to keep parts from causing electrical signals from passing from part to part unless it is meant to. Silicon is also used in the making of transistors.

Can you use the separately excited shunt generator machine as self excited generator?

You have a seperately excited generator and then you have a shunt generator which has the field winding in parallel with the armature terminals.

In DC machines a separately excited generator could be run as a shunt generator provided the field winding is designed to work on the generated voltage.

A separately excited alternator needs a DC supply for the field winding. In car alternators that is taken from the main winding via a rectifier and a voltage regulator.

How can you measure internal resistance of car battery?

You measure it indirectly using a known load resistance and measuring supplied current. Loading of the ammeter should be known as well, and the load resistance should be made relatively small to get accurate results.

What is current drain cells?

the current in the drain circuit of a field effect transistor.

What is the use of resistance in a LC circuit?

every inductor has some resistance. In circuit diagram, ideal inductor is shown in series with a resistor(value being equal to coil's resistance) to make analysis easy.

Why is a replenishing pump mecessary in closed loop hydrostatic circuit?

you need replenishing pump in closed loop hydrostatic transmission is following reason

1)for leakage compensation in the hydrostatic transmission system

2)to reduce heat of the system by adding new volume of relatively cool hydraulic fluid into the system.

for further details contact

Ramakrishnan

IIT madras

ramakrishnanphd@gmail.com

When do you use vertical polarization and horizontal polarization in microwave link?

gal sedi hai bhai jan high freq links k lyeh verticle aur interference sy bachny k lyeh horizontal use kro lao nara lahore lahore ay :)

Can you use led light on a motorcyle?

A: I don't see why not LED are used on cars right now

Why planes uses 300Hz frequency?

Weight is at a premium in aircraft. AC to DC power supplies running at 300 Hz instead of the more common 50 Hz or 60 Hz would require smaller filter capacitors, and thus less weight. The power generator, likewise, would require less mechanical speed step-down, reducing weight. Similarly, transformers and inductors, as well as selsyns, can be much smaller, again, reducing weight.

What is the Derivation for power radiated by current element?

derivation is so big ... tht it cant xplain with this short place ..............

Approximately how much does a Onebox audio amplifier cost?

If one were interesting in purchasing a Onebox audio amplifier, it would depend on where it is purchased from and what size. They range from a few hundred dollars to a few thousand.

What is the circuit in which two switches are connected in a series?

Two switches in series would be an analogue representation of a solid-state AND logic gate.

Is the only difference between a front and rear oxygen sensor the length of the wire or are the sensors themselfx different?

i asked one of the technicians at autoparts warehouse.com this same question cuz i was wondering about my 99 Honda prelude. They said the wire is the only difference. Im pretty sure the rear sensor has a shorter wire.

What is the RFID?

Radio-frequency identification (RFID) is an automatic identification method, relying on storing and remotely retrieving data using devices called RFID tags or transponders.