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John Katsantas
  • Member for 5 years, 7 months
  • Last seen more than 1 year ago
5 votes
2 answers
1k views

Cylinder , charge on surface, why is B inside zero?

4 votes
0 answers
875 views

Drift velocity question

2 votes
2 answers
524 views

Find torque due to Lorentz force - Wrong result [closed]

2 votes
0 answers
90 views

Faraday's law-is voltage induction immediate/instantaneous?

1 vote
2 answers
2k views

Prove there is an equipotential sphere between two point charges

1 vote
1 answer
312 views

Where is F=BIL force exerted on my conductor?

1 vote
1 answer
130 views

Magnetic force on open circuit?

1 vote
1 answer
1k views

What is the distance r^n in the pauli repulsion force between two ions?

1 vote
0 answers
40 views

Question about integrating a small dF force to find total force F

1 vote
1 answer
2k views

Simple harmonic motion with pulley with mass

1 vote
2 answers
777 views

Rod connected to springs. Can this oscillate if the rod has no mass?

0 votes
1 answer
164 views

Electron and hole concentration in material doped with donors and acceptors

0 votes
1 answer
64 views

Why does $g$ show up in the frequency of this oscillation?

0 votes
1 answer
513 views

Calculate lorentz force on a surface?

0 votes
2 answers
1k views

Is there a magnetic field between capacitor plates while the capacitor is charging?

0 votes
1 answer
468 views

Magnetic force in the inside of cylindrical conductor?

0 votes
1 answer
4k views

Negative mutual inductance?

0 votes
2 answers
429 views

Find incidence angle from wave equation?

0 votes
1 answer
96 views

What is the polarization of this EM wave?

0 votes
0 answers
40 views

Two ways, different result: Find torque due to magnetic force on a conductor

0 votes
1 answer
356 views

Question about spherical capacitor

0 votes
0 answers
72 views

Work done moving a charge- does the path matter?

0 votes
1 answer
157 views

Differential element of current question

0 votes
3 answers
7k views

Magnetic field along the axis of a solenoid - Can I find it this way?

0 votes
1 answer
341 views

Electrons close to Fermi-Conductivity

0 votes
1 answer
82 views

Electric field calculation gives opposite direction