Electronics

Electronics - questions and answers. If you have a question about this topic, please click on the "New Question" button. If you wouldn't like to miss any new question in this topic, please subscribe.

#electronics

Questions

Anonymous

How does 4K upscaling work in Crystal 4K Vivid Pro TV?

Anonymous

What is a smartphone ?

Anonymous

Can we store voltage in battery or current ?

Qedani Mkhonza

How to convert a voltage source to a current source ?

Anonymous

To distinguish the gold found in mobile and other electronics, we can easily be at home from the electronics. What do we need? How much?

Anonymous

How is the gold from cellphones and other electronics, what do we use them for and what do we need in simple Zede? What do we use and measure to separate the gold from mobile and electronics, ?

Huk Family

Message frequency 20KHz,the peak voltage 20V is used to modulate a carrier signal of frequency 2MHz and peek voltage 40V.determine modulationindex and sideband produced?

Huk Family

Derive acircuit usinglogic topeform thefollowing function "allow the door of darkroom to be open only if the safe light and enlarger light are both off and the main light in the darkroom is on"?

Huk Family

Transistorused inCE amplifiercircuit when a signal of30mV isadded to base emittervoltage thebase currentchanges by30microA andcollectorcurrentby3mA.the loadresistor is5Kohms.calculatetransconductance?

Huk Family

Transistor used in CE amplifier circuit when a signal of 30mV is added to base emitter voltage,the currentchanges by 30microA and collector current by mA.the load resistor 5Kohms.culculatecurrentgain?

Shibela Shinga

Explain what is armature reaction based on D.C generator?

Shibela Shinga

List down two basic essential parts of an electrical generator?

Anonymous

State three factors of series circuit?

Tumsime Godfrey

Explain six device that used to protect a computer and other electrical equipment from the effects of power fluctuations ?

Qedani Mkhonza

Which logic gate is inside the alarm ?

Anonymous

What's if I have Solar panels, 285w 38.3v, 200w 25.5v. What's the size of charger controller and how to connect in series or parallel to charge battery of 12v 200ah?

Shadan Alam

If you want to remove excess solder you can use what?

Shadan Alam

True or False you should apply solder onto the soldering iron tip first, then touch the soldering iron to the component prong?

Paul Lee

What does current do to audio circuit?

Paul Lee

What does voltage do to audio circuit?

Anonymous