24. Electric Force & Field; Gauss' Law

Which of the following changes would cause two oppositely charged objects to experience a greater attractive force between them according to Coulomb's law ($F=\frac{k{q}_1{q}_2}{r^2}$)?

Which type of current does a typical battery produce, and which type of current is generated at a commercial power station?

Why is it possible for a bird to sit on a high-voltage wire without being electrocuted?

In an experiment involving an electron beam, electrons are accelerated through a potential difference of $V$. What is the speed of the electrons after passing through the potential difference, assuming non-relativistic speeds?

In an electric circuit, what is the primary cause that makes electric charges move through the conductor?

Metals are good conductors of electric current for which of the following reasons?

An iPhone 13 Pro battery has a typical capacity of $3095 \mathrm{mAh}$. What is the total electric charge, in coulombs, required to fully charge the battery? ($1 \mathrm{mAh}=3.6$ coulombs)

Fuses and circuit breakers are designed to protect which of the following in an electrical circuit?

A Van de Graaff generator is capable of producing very high voltages. Which of the following best describes the typical voltage range that can be achieved by a laboratory Van de Graaff generator?

In an electric circuit, the energy dissipated as heat and light in a light bulb is provided by the

In the figure, particle 1 has a charge of $q_1$. If it is placed at a distance $r$ from particle 2, which has a charge of $q_2$, what is the magnitude of the electrostatic force exerted on particle 1 by particle 2?

Which statement best describes the relationship between voltage and current in a conductor according to $Ohm’sLaw$?

In the context of electric charge and circuits, current is measured in which of the following units?

Why can birds sit on a single power line without getting electrocuted?

Two point charges, $q_1$ and $q_2$, are located on the x-axis at positions $x_1$ and $x_2$ respectively. What is the expression for the electric force exerted on $q_1$ by $q_2$?