Login or Sign Up

Ask a New Question

A 0.035 kg spherical oil droplet has charge of +1×10-7C. A uniform electric field is acting upwards as shown below. What strength of electric field is required to make

the sphere float in the air without moving?

10

Similar Questions

A small droplet of oil with mass of 1.84×10-15 kg is held suspended in a region of uniform electric field directed upward with

Top answer: To determine the number of excess elementary charges residing on the droplet, we need to use the Read more.
In the early 1900s, Robert Millikan used small charged droplets of oil, suspended in an electric field, to make the first

Top answer: To find the potential difference (V) between the plates required to hold the droplet in equilibrium, Read more.
A 0.7 um-diameter droplet of oil, having a charge of +e, is suspended in midair between two horizontal plates of a

Top answer: To find the potential difference required to hold the droplet in equilibrium, we need to consider Read more.
On a stormy day, a water droplet has a mass of 3. 25 x 10 kg is suspended in the air above ground due to an atmospheric electric

Top answer: To find the magnitude of the electric field, we can use the formula: Electric field strength = Force Read more.
The earth has an electric field of about 150 N/c pointed downward. A 1.00 (micrometer) radius of water droplet is suspended in a

Top answer: volume of drop = V = (4/3) pi r^3 mass of drop = m = 1000 * V gravity down = F = m g force up = Q E Read more.
Consider a negative charge located between two parallel metal plates that sets up a uniform, downward electric field with

Top answer: The correct answer is: The electric potential energy decreases. When a negative charge moves Read more.
Two uniform spherical charge distributions (see figure below) each have a total charge of 85.7 mC and radius R = 15.2 cm.Their

Top answer: if A is on a line between the two centers, the field is zero Read more.
An object (with charge -4.2 µC and mass 0.024 kg) hovers at rest above the ground, its weight being held up by a uniform

Top answer: To solve these problems, we need to use the principles of electric forces and Newton's second law of Read more.
An object (with charge -4.2 µC and mass 0.024 kg) hovers at rest above the ground, its weight being held up by a uniform

Top answer: E must be into the ground, as E is the direction a + test charge would go. A negative charge would Read more.
Consider a negative charge located between two parallel metal plates that sets up a uniform, downward electric field with

Top answer: the force on the charge will be in the opposite direction of the electric field. The force will be Read more.