Electric Potential Energy
Electric Potential is measurable with a single charge, true or false?
False
What is the SI unit of capacitance?
Farad
An equipotential surface is a surface at which the Electric Potentials are all __________. Give an example
Equal
A proton is accelerated from rest through a potential difference of 120V. How fast does the proton move through this region? Formula is given, mass and charge of a proton are: (1.6*10^-19, 1.67*10^-27)
152*10^3 m/s
What is the capacitance of a parallel plate capacitor with a potential difference of 20V and a charge stored of 100C
5F
How much work is done moving a charge from one point on an equipotential surface to another?
None
A 50uC charge moves from point A(80cm) to point B(20cm) as shown. The magnitude of the electric field is 2*10^6 N/C. How much work is done to move the charge from point A to B? (U=-Eqy)
60J
What is the capacitance of a parallel plate capacitor filled with a dielectric (k=6.7), an area of (4cm^2), A potential difference of 50V when the plates are 2cm apart, and when the plates are 10cm apart?
5.9 nF or 5.9*10^-9 F
The plates of the capacitor are separated by a distance of 0.032m, and the potential difference between them is VB−VA=−64V. Between the two equipotential surfaces shown in color, there is a potential difference of −3.0V. Find the spacing between the two colored surfaces. E=-(V/d)
1.5*10^-3m