User LorenzoDonati4Ukraine-OnStrike

116 votes

Accepted

Why can't I light a LED with a 1.5 V battery?

answered Nov 18, 2017 at 12:25

50 votes

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Is circuit design based on min/max values good practice?

answered Jul 7, 2015 at 19:30

38 votes

Why can I use P = I²R but not P=V²/R when calculating energy lost in a circuit?

answered Dec 8, 2016 at 7:04

38 votes

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Why do we need the "nop" I.e. No operation instruction in microprocessor 8085?

answered May 31, 2015 at 12:28

30 votes

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How to view and customize beta of a transistor in LTspice

answered Sep 24, 2017 at 17:02

30 votes

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Can a transformer work if the core is not circular?

answered Jul 25, 2015 at 23:09

27 votes

Why do we use 32.768 kHz crystals in most circuits?

answered Jun 29, 2015 at 7:13

25 votes

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Can I cut an IC?

answered Jul 31, 2015 at 21:20

23 votes

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What breadboard simulation software is this?

answered Oct 15, 2018 at 14:01

22 votes

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How do LEDs slowly degrade in normal use?

answered Jan 11, 2017 at 20:23

21 votes

Does this mechanical switch really have no bounce?

answered Jun 21, 2021 at 7:43

21 votes

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Why is a capacitor used to protect CMOS chips?

answered Jul 20, 2016 at 21:44

21 votes

Should there really be 1 MΩ resistance between an anti-static wrist strap and a pc?

answered Oct 27, 2016 at 11:16

21 votes

1.5V-rated MOSFET doesn't react to a gate input of 1.8V

answered Jun 26, 2015 at 22:40

20 votes

Should I take Ohm's law for granted?

answered May 21, 2021 at 12:40

20 votes

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What happens if clock cycle is replaced with constant high voltage in a processor?

answered Jan 24, 2022 at 22:39

20 votes

Why are relays still used in electric ovens?

answered Jan 11, 2017 at 22:35

20 votes

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LTspice sinusoidal voltage source with offset much larger than amplitude broken?

answered Nov 6, 2017 at 6:59

19 votes

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Can a Zener diode that protects a switch against inductance when the switch opens, affect turn on speed of the valve when you close it again?

answered May 23, 2015 at 12:14

17 votes

Why do motor drives have multiple bus capacitors of small value capacitance instead of a single bus capacitor of large value?

answered Aug 30, 2019 at 10:42

17 votes

Why is a capacitor considered a short circuit at start up?

answered May 10, 2022 at 20:29

16 votes

Purpose of Zener diode in button

answered Dec 22, 2021 at 16:42

16 votes

What is "drive voltage" for a MOSFET?

answered Apr 8, 2018 at 19:57

16 votes

Does current flow on an open transmission line?

answered May 25, 2015 at 20:54

15 votes

Is MOSFET active device?

answered Aug 24, 2019 at 13:07

15 votes

According to my understanding, this induction heater should be melted, but it's not. Why not?

answered Mar 27 at 14:00

15 votes

Can I break a radio tranceiving device by operating it with no antenna connected?

answered Oct 23, 2017 at 18:52

15 votes

What exactly happens to the signals hitting a common mode choke?

answered Jul 27, 2017 at 10:54

15 votes

The mysterious case of the random leakage current

answered Jul 29, 2016 at 21:03

15 votes

Accepted

How can I model a relay in LTSpice IV?

answered Aug 15, 2015 at 18:00

Stack Exchange Network

430 Answers

Why can't I light a LED with a 1.5 V battery?

Is circuit design based on min/max values good practice?

Why can I use P = I²R but not P=V²/R when calculating energy lost in a circuit?

Why do we need the "nop" I.e. No operation instruction in microprocessor 8085?

How to view and customize beta of a transistor in LTspice

Can a transformer work if the core is not circular?

Why do we use 32.768 kHz crystals in most circuits?

Can I cut an IC?

What breadboard simulation software is this?

How do LEDs slowly degrade in normal use?

Does this mechanical switch really have no bounce?

Why is a capacitor used to protect CMOS chips?

Should there really be 1 MΩ resistance between an anti-static wrist strap and a pc?

1.5V-rated MOSFET doesn't react to a gate input of 1.8V

Should I take Ohm's law for granted?

What happens if clock cycle is replaced with constant high voltage in a processor?

Why are relays still used in electric ovens?

LTspice sinusoidal voltage source with offset much larger than amplitude broken?

Can a Zener diode that protects a switch against inductance when the switch opens, affect turn on speed of the valve when you close it again?

Why do motor drives have multiple bus capacitors of small value capacitance instead of a single bus capacitor of large value?

Why is a capacitor considered a short circuit at start up?

Purpose of Zener diode in button

What is "drive voltage" for a MOSFET?

Does current flow on an open transmission line?

Is MOSFET active device?

According to my understanding, this induction heater should be melted, but it's not. Why not?

Can I break a radio tranceiving device by operating it with no antenna connected?

What exactly happens to the signals hitting a common mode choke?

The mysterious case of the random leakage current

How can I model a relay in LTSpice IV?