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radastro
  • Member for 3 years, 5 months
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3 votes
2 answers
6k views

Critical Angle Formula

1 vote
0 answers
35 views

Calculating time taken for acceleration [closed]

1 vote
1 answer
75 views

Is there a potential difference across the bulb after current passed through a diode?

1 vote
2 answers
107 views

Why does the current stay same everywhere in a series circuit [duplicate]

1 vote
2 answers
167 views

Gravitational potential negative sign confusion

1 vote
2 answers
583 views

How does focal length affect magnification?

1 vote
1 answer
84 views

Discharging two capacitors in series

0 votes
3 answers
71 views

Newton's third law and compressive force [duplicate]

0 votes
1 answer
92 views

Potential divider with voltmeter

0 votes
1 answer
73 views

Using square loops to calculate electric field of infinite plane of charge

0 votes
1 answer
78 views

Different result when deriving electric force as $dW/dr$ and $-dU/dr$

0 votes
1 answer
181 views

Can a permanent magnets change its polarity when direction of current is changed?

0 votes
1 answer
499 views

What happens to the motor when the wire is perpendicular to the magnetic field?

0 votes
4 answers
318 views

Finding accurate resistance of a resistor using potentiometer

0 votes
2 answers
167 views

How does current flow through the earth and back to the supply to break the fuse?

0 votes
1 answer
46 views

Graph of reaction force of bouncing ball