Electric Force, Field, and Potential
What describes capacitance in terms of charge and voltage?
In an electrical circuit, what component is typically used to regulate current flow?
Diode
Resistor
Inductor
Capacitor
What will happen to the brightness of a light bulb if the voltage across it is increased?
The brightness will decrease
The brightness will increase
The light bulb will change color
The brightness will remain unchanged
How could an experiment be designed to determine the impact of dielectric material on the capacitance of a parallel-plate capacitor, while accounting for fringe effects and plate separation?
Change the plate area while keeping separation constant, using a single dielectric material and measuring energy stored.
Measure capacitance with varying dielectric constants, ensuring plates are significantly larger than separation distance to minimize fringe effects.
Use different battery voltages to charge capacitors with identical dielectrics, measuring the time constant for each.
Vary plate separation with a fixed voltage across capacitors without any dielectric to observe changes in capacitance.
How might one modification address edge effects when investigating Poisson's equation for electrostatics within spherical conductors?
Simulate idealized sphere charge distribution models excluding real-world physical boundary conditions.
Directly apply Potential difference between center sphere surface points neglecting any possible end effects.
Compare calculated values from Poisson's equation solutions using average surface charge densities instead of exact distributions.
Offset measurements away from surface extremities by using finely tuned sensors capable of high precision local electric field detection.
Which principle explains the behavior of electric charge in a conductor at equilibrium?
Charges move continuously within the conductor.
No charges are present on a conductor at equilibrium.
Charges are uniformly distributed throughout the volume.
Charges reside on the surface.
What effect does adding more resistors in parallel have on the total resistance of a circuit?
It leaves total resistance unchanged if resistors are identical.
It increases the total resistance.
It decreases the total resistance.
There's no general rule; it depends on other components' values too.

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Which unit measures electrical resistance?
Ohm
Siemens
Farad
Tesla
What aspect of photoelectric effect cannot be explained using classical wave theory but supports particle theory?
Reduction in the quantity of electrons emitted with decreasing wavelength.
Ejection of electrons at specific threshold frequency regardless intensity.
Cumulative heating effect on metal surface with prolonged exposure to light.
Increase in kinetic energy of photoelectrons with light intensity.
What is the SI unit of electric charge?
Ampere
Volt
Coulomb
Ohm