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Alex
  • Member for 6 years, 2 months
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6 votes
4 answers
11k views

What is the bypass capacitor at the emitter of a common-emitter amplifier for?

4 votes
3 answers
17k views

Transient Current in an LC circuit with a DC supply

4 votes
6 answers
1k views

Reactive power in AC circuit

3 votes
2 answers
751 views

Why there is no current in the inductor during the first positive half cycle of the ac voltage?

3 votes
3 answers
83 views

Voltage and current during the first cycle of RL circuit

3 votes
4 answers
129 views

Question about Inductor

2 votes
3 answers
879 views

Production of electromagnetic waves?

2 votes
2 answers
488 views

LC circuit current?

2 votes
2 answers
493 views

If induced voltage (back-emf) is equal and opposite to applied voltage, what drives the current?

2 votes
8 answers
819 views

Inductor with AC source

2 votes
1 answer
3k views

Why do inductive and capacitive reactances have opposite signs and why don't they cancel out each other?

2 votes
0 answers
75 views

Two port network and transformer?

2 votes
3 answers
457 views

How does oscillation of reactive power take place between source and load?

2 votes
2 answers
717 views

Current waveform in an inductor with AC source

1 vote
1 answer
121 views

Inrush and steady state current in an Inductor with AC voltage

1 vote
2 answers
277 views

How to design a crystal radio receiver on a bread board?

1 vote
2 answers
172 views

Output voltage of LC circuit?

1 vote
2 answers
177 views

Why is there a resistor in this circuit?

1 vote
3 answers
112 views

Equivalent circuit of the transformer primary and secondary

1 vote
1 answer
77 views

Reason of inductive kick

1 vote
3 answers
195 views

Flux because of secondary coil in transformer

1 vote
2 answers
207 views

Difference between real and reactive power

1 vote
2 answers
2k views

LC circuit in radio receiver

1 vote
3 answers
749 views

Phasor and Vector in AC circuit

1 vote
1 answer
109 views

Whats the difference between time changing electromagnetic field and electromagnetic waves?

1 vote
3 answers
2k views

At t=0 the voltage across the Inductor will immediately jump to battery voltage. Why?

1 vote
1 answer
126 views

Phase difference between source voltage and inductor voltage

1 vote
4 answers
157 views

What is meant by average power in AC circuits?

1 vote
3 answers
2k views

r(e) Model of a Transistor

0 votes
4 answers
5k views

Voltage gain of an amplifier?