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Electrical-resistance
New post in Electrical-resistance
Why there is electromagnetic resistivity $\approx 377\Omega$ in vacuum?
May 12th, 2020
electromagnetic-radiation
electrical-resistance
vacuum
Why does electrical current start to flow?
March 4th, 2020
electric-current
electric-circuits
conductors
electromagnetism
electrical-resistance
Understanding the zero current in a simple circuit
January 2nd, 2021
batteries
electric-circuits
electric-current
symmetry
electrical-resistance
Where is the energy coming from to light my Christmas tree lights?
December 8th, 2020
energy
electric-circuits
electrical-resistance
light-emitting-diodes
Which dissipates more power, a small or big resistor?
October 15th, 2020
electrical-resistance
electricity
Why is conductivity defined as the inverse of resistivity?
November 3rd, 2020
electromagnetism
definition
electrical-resistance
electric-circuits
How does a resistor "know" to increase the potential difference across its ends?
January 6th, 2022
electric-circuits
voltage
electrical-resistance
electric-current
electricity
Voltage and Current in transformers
January 29th, 2020
electric-current
electrical-resistance
voltage
power
electric-circuits
Contradiction in Ohm's Law and relation $P=VI$
December 4th, 2020
electric-current
electrical-resistance
power
voltage
electric-circuits
Why is the resistance in a parallel circuit smaller than the resistance in a series circuit?
August 1st, 2022
electric-circuits
electrical-resistance
Inductor and Capacitor in Parallel
February 26th, 2020
capacitance
inductance
homework-and-exercises
electric-circuits
electrical-resistance
Why are potential drops concentrated at resistive elements?
October 26th, 2021
electrical-resistance
potential-energy
batteries
electric-current
electric-circuits
Do electrons move around a circuit?
July 29th, 2020
condensed-matter
conductors
electrical-resistance
electric-current
electrons
What's the reason behind the current remaining the same after passing by a resistance?
August 1st, 2022
electrical-resistance
charge
electric-current
electric-circuits
voltage
Why doesn't Kirchhoff's Law work when a battery is shorted with an ideal wire?
May 19th, 2020
voltage
electric-circuits
electrical-resistance
batteries
short-circuits
If a superconductor has zero resistance, does it have infinite amperage?
May 4th, 2020
electric-circuits
electrical-resistance
superconductivity
Why does the current stay the same in a circuit?
September 16th, 2021
electric-circuits
electricity
electric-current
charge
electrical-resistance
Does electron-electron scattering contribute to resistivity?
June 11th, 2020
condensed-matter
electrical-resistance
scattering
interactions
quasiparticles
How does the current remain the same in a circuit?
February 7th, 2020
electricity
electric-circuits
electric-current
electrical-resistance
voltage
What causes contact resistance?
April 15th, 2020
electricity
electric-circuits
thermal-conductivity
electrical-resistance
Why it is more dangerous to touch a high voltage line wire where current is actually less than households?
January 3rd, 2021
electrical-resistance
electric-current
electric-circuits
electricity
voltage
How do resistors generate different heat if we make the current fixed and changed the voltage and resistance? Notice the flow of charge is constant
July 5th, 2020
voltage
electric-circuits
electric-current
electrical-resistance
dissipation
Resistance between two points in an infinite metal sphere/cube
August 9th, 2020
electrical-resistance
electrostatics
metals
Why do superconductors conduct electricity without resistance?
August 1st, 2022
solid-state-physics
condensed-matter
superconductivity
electrical-resistance
Equivalent resistance in ladder circuit
January 7th, 2020
electrical-resistance
electric-circuits
homework-and-exercises
Is it possible to mathematically derive the formula for resistance?
April 16th, 2020
electrical-resistance
electromagnetism
electricity
Detecting if resistances are parallel or series in complex circuits
January 9th, 2020
electrical-resistance
electric-circuits
Resistor circuit that isn't parallel or series
August 1st, 2022
electricity
electric-circuits
electrical-engineering
electrical-resistance
How do I deal with "crossing resistances"?
January 8th, 2020
homework-and-exercises
electric-circuits
electrical-resistance
Why does increasing the temperature of a thermistor decrease it's resistance?
February 12th, 2020
electricity
electrical-resistance
temperature
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