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user45220
  • Member for 9 years, 7 months
  • Last seen more than 8 years ago
38 votes
8 answers
13k views

Will we ever be able to view the past?

17 votes
7 answers
90k views

Bar magnet dropped through coil

10 votes
1 answer
1k views

How is an atom ionized by electron impact?

7 votes
2 answers
4k views

Is there a quark conservation law?

6 votes
1 answer
350 views

Experimentally finding units of physical quantity?

6 votes
6 answers
25k views

Ohm's law holds at constant temperature - what about Joule heating?

4 votes
1 answer
535 views

Is the virtual photon a particle?

4 votes
1 answer
7k views

How to tell if a particle interaction is strong/weak?

4 votes
2 answers
891 views

Need help on electric potential definition

3 votes
1 answer
237 views

Faraday and Lenz's laws

3 votes
2 answers
5k views

Do hadrons only interact via strong interaction?

3 votes
3 answers
3k views

What is nuclide notation referring to? Only the nucleus or the whole atom?

3 votes
1 answer
32k views

What is an ohmic conductor?

2 votes
1 answer
272 views

Difficulty understanding electricity concepts

2 votes
1 answer
70 views

Need help understanding appliance ratings

2 votes
2 answers
218 views

How is resistance defined when there is no current?

2 votes
3 answers
10k views

Voltmeter in series with a component?

2 votes
2 answers
120 views

Ambiguity with reaction equations

2 votes
1 answer
5k views

Electrostatic force has longer range than strong nuclear force?

2 votes
4 answers
3k views

Is pair production only with $\gamma$ photons?

2 votes
3 answers
572 views

Does (mass $\rightarrow$ pure energy) conversion need both matter $and$ antimatter?

2 votes
1 answer
3k views

What is flux linking?

2 votes
2 answers
223 views

Prerequisites for Ptolemy's Almagest

1 vote
2 answers
289 views

Newton's Principia: Astronomical prerequisites?

1 vote
1 answer
2k views

Graph of energy stored in capacitor?

1 vote
1 answer
552 views

Electric potential at midpoint?

1 vote
1 answer
173 views

Typo in physics book (capacitors)

1 vote
1 answer
1k views

Charging a capacitor (terminals)

1 vote
1 answer
497 views

# significant figures in calculations?

1 vote
1 answer
15k views

Graph of electric potential