S. Rotos's user avatar
S. Rotos's user avatar
S. Rotos's user avatar
S. Rotos
  • Member for 7 years
  • Last seen more than a month ago
11 votes
1 answer
816 views

Why does current flow direction matter in welding?

7 votes
4 answers
2k views

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

0 votes
3 answers
388 views

Why is power gain a meaningful quantity at all?

2 votes
3 answers
868 views

Confused about the definition of voltage gain

-1 votes
5 answers
141 views

Why is output power such a meaningful quantity in speakers?

18 votes
8 answers
5k views

Why do fuses burn at a specific current?

5 votes
3 answers
540 views

Strange-looking FM transmitter circuit

3 votes
1 answer
163 views

How is oscillation condition fulfilled in this oscillator circuit?

0 votes
1 answer
401 views

Biasing in this FM transmitter

1 vote
1 answer
729 views

Collector-Base capacitance in simple FM transmitter

3 votes
1 answer
738 views

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

22 votes
5 answers
7k views

How does the oscilloscope trigger really work?

3 votes
3 answers
5k views

How does multimeter AC measurement work?

2 votes
2 answers
255 views

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

0 votes
0 answers
34 views

Is there a way of measuring components in circuit? [duplicate]

2 votes
3 answers
2k views

Why do the center tapped capacitors in Colpitts oscillator give an inversion?

1 vote
1 answer
812 views

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

1 vote
2 answers
1k views

Why is LTSpice Bode plot disagreeing with a linear plot?

8 votes
3 answers
2k views

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

1 vote
2 answers
8k views

Thermal voltage of a BJT vs. diode voltage drop

2 votes
5 answers
2k views

Am I testing diodes properly?

31 votes
5 answers
5k views

What does the multimeter dial do internally?

56 votes
7 answers
22k views

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

6 votes
2 answers
2k views

How do ultrasonic sensors differentiate between transmitted and received signals?

13 votes
3 answers
5k views

What really causes series inductance of capacitors?

0 votes
1 answer
288 views

What causes the series resistance in capacitors?

0 votes
2 answers
304 views

Why doesn't the emitter resistance of a BJT depend on the AC current?

1 vote
2 answers
2k views

Reducing noise in this audio amplifier

3 votes
3 answers
313 views

Why is power factor such a meaningful quantity?

3 votes
1 answer
269 views

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