User fraxinus

7 votes

Why did USB win out over parallel interfaces?

answered Feb 24, 2021 at 22:01

6 votes

Why might one of these decoupling capacitor schematics also include an inductor and the other not?

answered Sep 12, 2021 at 7:52

6 votes

The speed of light is 3*10^8 m/s and data transmission rate of optical fiber is ~100 Tb/s, how do we calculate data transmission rate?

answered Oct 13, 2021 at 9:20

6 votes

Can we not simply connect a battery to a RAM to prevent data loss during power cuts?

answered Oct 8, 2019 at 17:33

6 votes

Does driving a speaker with a DC offset AC signal matter?

answered Nov 30, 2019 at 14:19

6 votes

Fan does not spin when controlled by PWM

answered Oct 24, 2020 at 8:09

6 votes

Accepted

Using different 18650 to repair laptop battery

answered Sep 28, 2020 at 13:56

6 votes

Dropping 120 volts AC to 100 volts AC

answered Mar 17 at 7:36

6 votes

Accepted

Would I typically get a shock from touching two live wires separated by ~240 V with each hand if my skin were completely dry (assume I'm ungrounded)?

answered Apr 1, 2023 at 11:20

6 votes

How can I drop 15 V down to 3.7 V to drive a motor?

answered Apr 17, 2023 at 12:02

6 votes

Does using a car’s electricity use up more fuel?

answered Jan 29, 2023 at 17:42

6 votes

Using a 2 A, 48 VDC rated switch in a 8 A, 12 VDC circuit

answered Sep 8, 2022 at 8:24

6 votes

How can I achieve full scale deflection on a 30 A ammeter with a 5 V voltage?

answered Jul 29, 2022 at 17:42

5 votes

Total voltage of six 12V batteries in line

answered Aug 8, 2022 at 14:33

5 votes

Why can't we use DC lines close to ground instead of overhanging AC lines for powering trains?

answered Jun 19, 2022 at 11:44

5 votes

"Rounding" a square wave's corners?

answered Jan 31, 2022 at 20:10

5 votes

Accepted

Is there any way to tell the current used by a particular SD Card?

answered Nov 5, 2022 at 20:17

5 votes

If you mix the anode and cathode in a electrolyte solution you will have a short-circuit?

answered Aug 31, 2022 at 10:38

5 votes

Accepted

Driving an ignition coil with an IGBT circuit

answered Jan 24, 2023 at 20:41

5 votes

Accepted

What part of wattage am I not understanding?

answered Dec 13, 2022 at 12:29

5 votes

What would prohibit replacing six 1.5V AA cells with a number of parallel wired 9V cells?

answered Nov 11, 2022 at 22:10

5 votes

How is the power of a component fixed?

answered Jan 17 at 22:32

5 votes

Regulated multi-voltage PSU given a center-tapped transformer and a single regulator/zener

answered Oct 24, 2020 at 20:12

5 votes

How to shunt 1500 joules when voltage exceeds 75 VDC

answered Oct 20, 2021 at 13:16

5 votes

Accepted

Leave phone connected to charger when full or disconnect, drain, reconnect, repeat?

answered Aug 30, 2021 at 9:52

5 votes

Estimating current draw for a single instruction

answered Aug 14, 2021 at 1:34

4 votes

Is it ok to connect 60Hz inverter to 50Hz transformer?

answered Oct 26, 2021 at 15:22

4 votes

Thoughts on this single-stage BJT amplifier?

answered Jan 22, 2022 at 8:24

4 votes

In PCBs, why is copper etched away instead of added?

answered Nov 8, 2021 at 8:22

4 votes

where can I find high gauge copper wires for an homemade induction heater?

answered Dec 1, 2020 at 7:46

Stack Exchange Network

252 Answers

Why did USB win out over parallel interfaces?

Why might one of these decoupling capacitor schematics also include an inductor and the other not?

The speed of light is 3*10^8 m/s and data transmission rate of optical fiber is ~100 Tb/s, how do we calculate data transmission rate?

Can we not simply connect a battery to a RAM to prevent data loss during power cuts?

Does driving a speaker with a DC offset AC signal matter?

Fan does not spin when controlled by PWM

Using different 18650 to repair laptop battery

Dropping 120 volts AC to 100 volts AC

Would I typically get a shock from touching two live wires separated by ~240 V with each hand if my skin were completely dry (assume I'm ungrounded)?

How can I drop 15 V down to 3.7 V to drive a motor?

Does using a car’s electricity use up more fuel?

Using a 2 A, 48 VDC rated switch in a 8 A, 12 VDC circuit

How can I achieve full scale deflection on a 30 A ammeter with a 5 V voltage?

Total voltage of six 12V batteries in line

Why can't we use DC lines close to ground instead of overhanging AC lines for powering trains?

"Rounding" a square wave's corners?

Is there any way to tell the current used by a particular SD Card?

If you mix the anode and cathode in a electrolyte solution you will have a short-circuit?

Driving an ignition coil with an IGBT circuit

What part of wattage am I not understanding?

What would prohibit replacing six 1.5V AA cells with a number of parallel wired 9V cells?

How is the power of a component fixed?

Regulated multi-voltage PSU given a center-tapped transformer and a single regulator/zener

How to shunt 1500 joules when voltage exceeds 75 VDC

Leave phone connected to charger when full or disconnect, drain, reconnect, repeat?

Estimating current draw for a single instruction

Is it ok to connect 60Hz inverter to 50Hz transformer?

Thoughts on this single-stage BJT amplifier?

In PCBs, why is copper etched away instead of added?

where can I find high gauge copper wires for an homemade induction heater?