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Chapter 24: Q2P (page 710)

The electric potential difference between the ground and a cloud in a particular thunderstorm is 1.2×109V. In the unit electron-volts, what is the magnitude of the change in the electric potential energy of an electron that moves between the ground and the cloud?

Short Answer

Expert verified

The magnitude of the change in the electric potential energy of an electron is ∆U=1.2GeV.

Step by step solution

01

Given data:

The electric potential difference between the ground and a cloud in a particular thunderstorm is,

∆V=1.2×109V

02

Understanding the concept:

The potential difference is the change of potential energy per unit charge.

Using potential energy equation

U=qV

Here, U is the potential energy, q is the electric charge, and V is the potential.

03

The magnitude of the change in the electric potential energy:

Calculatethe magnitude of the change in the electric potential energy of an electron that moves between the ground and the cloud.

∆U=e∆V=1.2×109eV=1.2GeV

Hence, the magnitude of the change in the electric potential energy of an electron is 1.2 GeV.

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Most popular questions from this chapter

Two charges q=+2.0μC are fixed a distance d=2.0cmapart (Fig. 24-69).

(a) With V=0at infinity, what is the electric potential at point C?

(b) You bring a third chargeq=+2.0μC from infinity to C. How much work must you do?

(c) What is the potential energy U of the three-charge configuration when the third charge is in place?

Two isolated, concentric, conducting spherical shells have radiiR1=+0.500mandR2=1.00m , uniform chargesq1=+2.00μC andq2=+1.00μC , and negligible thicknesses. What is the magnitude of the electric field E at radial distance (a)r=4.00m , (b)r=0.700m , and (c)r=0.200m ? With V=0at infinity, what is V at (d)localid="1663936396588" r=4.00m , (e)localid="1663936405423" r=1.00m , (f) localid="1663936413104" r=0.700m, (g)localid="1663936424825" r=0.500m , (h)localid="1663936434140" r=0.200m , and (i)localid="1663936441939" r=0? ( j) Sketch localid="1663936449400" E(r)and localid="1663936460268" V(r) .

Question: In Fig. 24-43, a plastic rod having a uniformly distributed charge Q = -25.6pChas been bent into a circular arc of radius R = 3.71 cmand central angleϕ=120°. With V = 0at infinity, what is the electric potential at P, the center of curvature of the rod?

In the situation of Question 7, is the work done by your force positive, negative, or zero if the particle is moved (a) from Ato B, (b) from Ato C, and (c) from Bto D? (d) Rank those moves according to the magnitude of the work done by your force, greatest first.

(a) what is the electric potential energy of two electrons separated by 2.00 nm? (b) If the separation increases, does the potential energy increase or decrease?
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