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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

21k

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 19.8k

votes

answers

views

How does the oscilloscope trigger really work?

oscilloscope

Aug 8 at 12:54 Shamtam 2,866

votes

answers

views

What really causes series inductance of capacitors?

capacitor inductance

Feb 25 at 9:31 Vladimir Cravero 14k

votes

answers

949

views

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

audio microphone bias

Aug 8 at 8:07 analogsystemsrf 19.7k

votes

answers

views

Spot welder: High current advantage over high voltage

current transformer model

Feb 22 '18 at 13:24 sdenham 111

votes

answers

986

views

Mechanism of transformer secondary current

transformer magnetic-flux

Apr 14 '18 at 3:11 GeoNOregon 1

votes

answers

343

views

Strange-looking FM transmitter circuit

rf schematics transmitter

Aug 24 at 3:07 Audioguru 972

votes

answers

views

How do ultrasonic sensors differentiate between transmitted and received signals?

sensor ultrasound

Mar 25 at 18:55 Peter Smith 16.9k

votes

answers

385

views

Measurement of an inductor not accurate at all

inductance

Dec 28 at 20:54 G36 6,315

votes

answers

635

views

What actually is the load capacitance of a quartz crystal?

oscillator crystal piezoelectricity

Dec 19 at 4:54 analogsystemsrf 19.7k

votes

answer

128

views

Monopoles on rooftops

antenna

Apr 29 '17 at 6:05 Old_Fossil 291

votes

answer

309

views

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

parasitic-capacitance

Aug 15 at 9:31 Neil_UK 88k

votes

answers

134

views

How does multimeter AC measurement work?

ac measurement multimeter

Aug 1 at 12:05 Spehro Pefhany 226k

votes

answer

888

views

Modified sine wave inverter

inverter sine

Mar 16 at 11:43 user37169 1

votes

answer

134

views

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

safety

Jan 22 at 23:07 Tony Stewart Sunnyskyguy EE75 82.1k

votes

answers

views

Help needed in understanding this LED chaser circuit

led oscillator

Aug 30 '18 at 22:08 Sparky256 13.2k

votes

answer

views

How is oscillation condition fulfilled in this oscillator circuit?

circuit-analysis oscillator

Aug 19 at 22:49 TimWescott 15.5k

votes

answer

721

views

CDI ignition: Isn't the coil charged anyway?

capacitance automotive

Aug 13 at 2:00 Sparky256 13.2k

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 at 1:21 Charles Cowie 24.5k

votes

answers

views

Skewed frequency response of RLC circuit

cutoff-frequency

Dec 13 at 11:21 Warren Hill 3,933

votes

answer

326

views

Astable multivibrator diode improvement

bjt oscillator

Jul 6 '18 at 9:53 Bimpelrekkie 59.9k

vote

answers

979

views

Transformer voltage step-up and heat

transformer heat

Aug 21 at 6:02 Community♦ 1

vote

answer

views

Collector-Base capacitance in simple FM transmitter

bjt capacitance transmitter

Aug 15 at 13:35 glen_geek 11k

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 40.8k

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 11k

vote

answers

views

Why is LTSpice Bode plot disagreeing with a linear plot?

amplifier simulation ltspice bode-plot

Jul 20 at 14:16 Elliot Alderson 12.8k

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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?