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Voltage
New post in Voltage
Is potential difference always required for current?
March 3rd, 2022
electric-current
electric-circuits
voltage
electrical-resistance
potential
What force causes the induced EMF of a loop? And, the difference between a loop EMF to motional EMF?
April 1st, 2022
voltage
electric-fields
magnetic-fields
electromagnetism
Why is soil more conductive than water?
October 2nd, 2020
conductors
voltage
electric-current
electrical-resistance
water
Using AC or DC to create an electromagnet
August 1st, 2022
voltage
electromagnetism
What exactly is breakdown voltage of air?
August 1st, 2022
air
charge
dielectric
voltage
Questions about voltage
July 12th, 2020
electric-current
electricity
electric-circuits
voltage
Why isn't there a minus sign in Ohm's law, $V = IR$?
August 1st, 2022
electric-circuits
conventions
notation
voltage
electromagnetism
Why does a drop in resistance lead to a drop in voltage?
November 1st, 2021
electric-current
electric-circuits
batteries
voltage
electrical-resistance
Watts vs. volts amperes
August 1st, 2022
voltage
power
si-units
electricity
electric-current
Are the "bird sitting on a live wire" answers wrong?
August 1st, 2022
electricity
voltage
electrical-resistance
electric-current
electric-circuits
How can a battery charge up another battery to a higher percentage?
July 1st, 2020
charge
voltage
batteries
electric-current
Why is it written 'High voltage' in danger boards if current is the one which actually causes the shock?
July 21st, 2022
electricity
voltage
electric-current
Drift velocity component of electrons in alternating current
July 26th, 2022
electric-current
electronics
voltage
electrons
Resistance in the National Grid
July 26th, 2022
voltage
electrical-resistance
electric-current
$V$-$I$ characteristic of a solar cell
February 6th, 2020
electronics
solar-cells
semiconductor-physics
voltage
electric-current
Why should a voltmeter have a higher resistance than of any circuit element across which the voltmeter is connected?
September 16th, 2020
electrical-resistance
electric-circuits
voltage
electrical-engineering
How do I choose the right value of $r$ to find where the electric field is zero?
July 26th, 2022
voltage
homework-and-exercises
electromagnetism
electric-fields
Difference between voltage and potential energy in a capacitor
July 26th, 2022
capacitance
potential-energy
voltage
Calculate Capacitance in Series AC Circuits?
July 26th, 2022
electrical-resistance
voltage
capacitance
Induced emf vs Potential difference
July 26th, 2022
voltage
electric-fields
electromagnetic-induction
conservative-field
induction
Is it possible to determine how many electrons there are in a plate from its voltage?
May 16th, 2020
voltage
potential-energy
electrons
Can electromagnets repel?
July 26th, 2022
electric-current
electromagnetism
voltage
Variation of peak current and peak voltage with capacitance in an AC circuit
May 16th, 2020
electric-circuits
electric-current
electrical-resistance
capacitance
voltage
Does voltage always cause current?
July 26th, 2022
electric-current
voltage
induction
Defining Reference Directions for Voltage and Power (sign convention)
July 26th, 2022
voltage
power
conventions
electric-circuits
electric-current
Why does a DC voltmeter show a zero reading when an AC voltage is applied?
April 24th, 2020
electric-circuits
electricity
measurements
voltage
Van de graaff generator, Leyden jars and capacitance
December 18th, 2020
voltage
capacitance
electrostatics
Do all voltages sum to zero in a circuit - Kirchoff's laws
December 7th, 2020
voltage
electric-current
electric-circuits
Why doesn't potential difference across circuit increase when length of wire increases?
February 1st, 2020
voltage
electrostatics
electric-circuits
electric-fields
work
Can EMF be lesser than terminal potential difference?
June 10th, 2020
electric-current
potential
voltage
electric-circuits
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