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55 Questions

Views Newest Activity Votes

votes

answers

11k

views

Does a dangling wire really electrocute me if I'm standing in water?

safety

Apr 12 at 4:53 richard1941 346

votes

answers

24k

views

Where exactly does the power company cut my power when I fail to pay my electric bill? [closed]

mains electricity

Aug 24 '18 at 14:10 Pimgd 107

votes

answers

views

What does the multimeter dial do internally?

multimeter

Jul 7 at 18:20 Martin Rosenau 1,096

votes

answers

views

Why do fuses burn at a specific current?

power resistance fuses

Sep 2 at 13:59 Dmitry Grigoryev 20.4k

votes

answers

views

How does the oscilloscope trigger really work?

oscilloscope

Aug 8 at 12:54 Shamtam 2,931

votes

answers

views

What really causes series inductance of capacitors?

capacitor inductance

Feb 25 at 9:31 Vladimir Cravero 14.4k

votes

answers

views

Why is the collector feedback bias popular in electret-mic preamp circuits?

audio microphone bias

Aug 8 at 8:07 analogsystemsrf 20.5k

votes

answers

views

Spot welder: High current advantage over high voltage

current transformer model

Feb 22 '18 at 13:24 sdenham 111

votes

answers

views

Mechanism of transformer secondary current

transformer magnetic-flux

Apr 14 '18 at 3:11 GeoNOregon 1

votes

answers

364

views

Strange-looking FM transmitter circuit

rf schematics transmitter

Aug 24 at 3:07 Audioguru 984

votes

answers

views

How do ultrasonic sensors differentiate between transmitted and received signals?

sensor ultrasound

Mar 25 at 18:55 Peter Smith 18.2k

votes

answers

398

views

Measurement of an inductor not accurate at all

inductance

Dec 28 '18 at 20:54 G36 7,163

votes

answers

806

views

What actually is the load capacitance of a quartz crystal?

oscillator crystal piezoelectricity

Dec 19 '18 at 4:54 analogsystemsrf 20.5k

votes

answer

129

views

Monopoles on rooftops

antenna

Apr 29 '17 at 6:05 Old_Fossil 301

votes

answer

315

views

Doesn't building a circuit “Manhattan-style” introduce lot of parasitic capacitance?

parasitic-capacitance

Aug 15 at 9:31 Neil_UK 91.5k

votes

answers

224

views

How does multimeter AC measurement work?

ac measurement multimeter

Aug 1 at 12:05 Spehro Pefhany 234k

votes

answer

937

views

Modified sine wave inverter

inverter sine

Mar 16 at 11:43 user37169 1

votes

answer

142

views

Why is touching the live wire of a socket dangerous inside an apartment few stories up?

safety

Jan 22 '19 at 23:07 Tony Stewart Sunnyskyguy EE75 88.9k

votes

answers

views

Help needed in understanding this LED chaser circuit

led oscillator

Aug 30 '18 at 22:08 Sparky256 13.5k

votes

answer

views

How is oscillation condition fulfilled in this oscillator circuit?

circuit-analysis oscillator

Aug 19 at 22:49 TimWescott 17.7k

votes

answer

863

views

CDI ignition: Isn't the coil charged anyway?

capacitance automotive

Aug 13 at 2:00 Sparky256 13.5k

votes

answers

views

Am I testing diodes properly?

diodes multimeter

Jul 13 at 11:19 George 1

votes

answers

views

Why is power factor such a meaningful quantity?

power efficiency

Feb 16 '19 at 1:21 Charles Cowie 25.6k

votes

answers

views

Skewed frequency response of RLC circuit

cutoff-frequency

Dec 13 '18 at 11:21 Warren Hill 4,120

votes

answer

401

views

Astable multivibrator diode improvement

bjt oscillator

Jul 6 '18 at 9:53 Bimpelrekkie 62.9k

vote

answers

views

Transformer voltage step-up and heat

transformer heat

Dec 23 at 8:02 Community♦ 1

vote

answer

100

views

Collector-Base capacitance in simple FM transmitter

bjt capacitance transmitter

Aug 15 at 13:35 glen_geek 11.9k

vote

answers

views

How to proceed to draw the circuit diagram of an unknown circuit?

circuit-analysis reverse-engineering

Jul 31 at 17:45 Voltage Spike 44.6k

vote

answer

views

Why does the common collector specifically have a high input impedance?

amplifier bjt input-impedance

Jul 20 at 21:55 glen_geek 11.9k

vote

answers

206

views

Why is LTSpice Bode plot disagreeing with a linear plot?

amplifier simulation ltspice bode-plot

Jul 20 at 14:16 Elliot Alderson 15.5k

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55 Questions

Does a dangling wire really electrocute me if I'm standing in water?

Where exactly does the power company cut my power when I fail to pay my electric bill? [closed]

What does the multimeter dial do internally?

Why do fuses burn at a specific current?

How does the oscilloscope trigger really work?

What really causes series inductance of capacitors?

Why is the collector feedback bias popular in electret-mic preamp circuits?

Spot welder: High current advantage over high voltage

Mechanism of transformer secondary current

Strange-looking FM transmitter circuit

How do ultrasonic sensors differentiate between transmitted and received signals?

Measurement of an inductor not accurate at all

What actually is the load capacitance of a quartz crystal?

Monopoles on rooftops

Doesn't building a circuit “Manhattan-style” introduce lot of parasitic capacitance?

How does multimeter AC measurement work?

Modified sine wave inverter

Why is touching the live wire of a socket dangerous inside an apartment few stories up?

Help needed in understanding this LED chaser circuit

How is oscillation condition fulfilled in this oscillator circuit?

CDI ignition: Isn't the coil charged anyway?

Am I testing diodes properly?

Why is power factor such a meaningful quantity?

Skewed frequency response of RLC circuit

Astable multivibrator diode improvement

Transformer voltage step-up and heat

Collector-Base capacitance in simple FM transmitter

How to proceed to draw the circuit diagram of an unknown circuit?

Why does the common collector specifically have a high input impedance?

Why is LTSpice Bode plot disagreeing with a linear plot?