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Electrical Engineering : Recent Questions and Answers (Page 2)

Find answers to your questions about Electrical Engineering or help others by answering their Electrical Engineering questions.

1.5 ton AC on solar power through inverter

I am planning to design my design in such a way that I can run my 1.5 ton AC easily during daytime i.e. 9am to 5pm plus some load of...

Asked on 01/04/2022

2 answer

Testing a diode's electrical characteristics with temperature control

I would like to test a few diodes electrical characteristics at their device low limit, ambient, and device high limit temperatures. I was thinking of using a Peltier element...

Asked on 01/04/2022 by Donald Krambeck

1 answer

Negative Voltage In Capacitor When + Side Is Connected To -

Hello, i just didn't understand that why we get negative voltage(-4.7V) from capacitor's negative pole when we apply 0V to capacitor's positive pole.As i...

Asked on 01/04/2022 by Androman

3 answer

Matlab GUI interfacing with pic18f4550

My project consists on collecting usb data form the uC PIC 18F4550 to show them using GUI Interface well I am using for the simulation MikroC for PIC programmation...

Asked on 01/04/2022 by assia_sia

0 answer

Derivation of energy in capacitor

While searching for something totally unrelated to this, I came a cross a website that derived it in this fashion:the instanteous power in a capacitor is given by ...

Asked on 01/04/2022

1 answer

MSP430 LCD Interfacing via I2C

I am new at this. I am trying to interfacing 1602A LCD display with MSP430G2553 via PCF8574. When I run the code, nothing happens:#include <msp430.h>unsigned int *ptxData;unsigned int count...

Asked on 01/04/2022 by Jan Franco

1 answer

PNP Transistor Not Working as Expected with Higher Voltage

I am a novice with electronics, I may know what my issue is but wanted to put this out and make sure my thinking is correct. The below circuit is...

Asked on 01/04/2022 by user3348186

5 answer

DIY Power Bank For Router & Fiber ONU

I'm trying to build uninterrupted power bank for my 9V 1A router and 12V 0.9A ONU. I have made a circuit Mindmap. But I think I have done some questionable...

Asked on 01/04/2022 by Shohidul Alam

1 answer

How to vary the voltage output depending on the changes in temperature?

I am working with the Siemens Logo8! PLC (0BA8 version) and the purpose of my circuit seems to be simple: If temp > 25°C then output voltage = 8V If...

Asked on 01/02/2022 by NatD

1 answer

Burried via with custom shape in Altium

Does anyone know how to implement in Altium a buried via (a via in PCB inner layers) with e.g. rounded rectangle shape? E.g. i could define a pad with rounded...

Asked on 01/02/2022 by user163061

1 answer

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