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KMC's user avatar
KMC's user avatar
KMC
  • Member for 7 years
  • Last seen this week
  • Champaign, IL
8 votes
4 answers
7k views

Path of EM wave propagation in a circuit wire

5 votes
2 answers
3k views

Why don't the iron filing all goes to the North pole?

2 votes
1 answer
5k views

Does resistivity of material change under strain

2 votes
1 answer
308 views

Why 2P and 2S merge and split while 1S stays flat in energy band?

2 votes
0 answers
95 views

Why does a violin sound louder when I bow faster?

2 votes
1 answer
75 views

What is this $\frac{1}{r^2}$ factor added to the definition of $ \boldsymbol{\omega} = \mathbf{r} \times \mathbf{v} $?

1 vote
2 answers
57 views

Moment of inertia of a disc with rounded sides

1 vote
2 answers
115 views

How does DC circuit deliver energy?

1 vote
4 answers
907 views

Why direction of stress is not pointing in opposite to that of external applied force?

1 vote
1 answer
64 views

The physics behind DC voltage derating of capacitance

1 vote
2 answers
209 views

Why is a subwoofer bigger than a tweeter? [duplicate]

1 vote
0 answers
37 views

Why do we add intensity instead of pressure for sound waves? [duplicate]

1 vote
2 answers
132 views

Why is acoustic intensity inversely proportional to density of the medium?

0 votes
2 answers
61 views

Derivation of the unit change in resistance

0 votes
1 answer
1k views

Why does the side of two magnet attract?