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S. Rotos
  • Member for 5 years, 3 months
  • Last seen this week
56 votes
7 answers
17k views

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

31 votes
5 answers
4k views

What does the multimeter dial do internally?

29 votes
8 answers
44k views

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

20 votes
5 answers
5k views

How does the oscilloscope trigger really work?

18 votes
8 answers
4k views

Why do fuses burn at a specific current?

13 votes
3 answers
3k views

What really causes series inductance of capacitors?

9 votes
10 answers
8k views

Spot welder: High current advantage over high voltage

8 votes
3 answers
2k views

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

7 votes
4 answers
1k views

Why is the bias input current of an op amp a constant value?

6 votes
2 answers
1k views

How do ultrasonic sensors differentiate between transmitted and received signals?

6 votes
6 answers
1k views

Mechanism of transformer secondary current

5 votes
2 answers
197 views

Monopoles on rooftops

5 votes
3 answers
3k views

What actually is the load capacitance of a quartz crystal?

5 votes
2 answers
680 views

Measurement of an inductor not accurate at all

5 votes
3 answers
460 views

Strange-looking FM transmitter circuit

3 votes
6 answers
2k views

Confusing quartz crystal impedance graphs

3 votes
3 answers
2k views

How does multimeter AC measurement work?

3 votes
1 answer
111 views

How is oscillation condition fulfilled in this oscillator circuit?

3 votes
1 answer
505 views

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

3 votes
2 answers
4k views

Help needed in understanding this LED chaser circuit

3 votes
1 answer
194 views

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

3 votes
3 answers
223 views

Why is power factor such a meaningful quantity?

3 votes
1 answer
1k views

Modified sine wave inverter

3 votes
4 answers
2k views

Colpitts oscillator: emitter resistor

2 votes
5 answers
903 views

Turning an inductor into transformer and leaving the secondary open

2 votes
2 answers
2k views

Emitter follower/Common collector confusion

2 votes
1 answer
2k views

CDI ignition: Isn't the coil charged anyway?

2 votes
1 answer
1k views

Astable multivibrator diode improvement

2 votes
5 answers
1k views

Am I testing diodes properly?

2 votes
3 answers
207 views

Skewed frequency response of RLC circuit