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WorksheetsGauss's Law and its application
Total questions: 18
Worksheet time: 14mins
What is the no. of electric field lines coming out of a +1 coulomb charge
(a)
A rectangular loop is held perpendicular to a uniform E-field (the loop's normal vector, dA, is parallel to the E-field direction). At what angle to its normal does the loop have to be turned through so the electric flux is one half of its original value?
15 degrees
30 degrees
45 degrees
60 degrees
90 degrees
A positive charge is enclosed by a spherical surface. What direction is the electric flux relative to the surface/
tangent
from the inside to the outside of the surface
from the outside to the inside of the surface
the lines do not pass through the surface
A charge of magnitude, q, is at the center of a sphere of radius r. What is the electric flux at the surface of the sphere? r = 0.53 m, q = 5.0 x 10^-6 C
5.6 x 10^5 Nm*m/C
6.5 x 10^5 Nm*m/C
7.3 x 10^5 Nm*m/C
1.1 x 10^6 Nm*m/C
1.3 x 10^6 Nm*m/C
You are trying to calculate the e-field outside a positive line of charge. The Gaussian surface should be what kind of geometrical object?
circle
cylinder
cube
sphere
rectangle
A metal sphere of radius R is given a positive charge, q. What is the electric field at a distance r from the center, where r > R?
What is the graph of the electric field for a charged conducting sphere of radius R?
What is the magnitude of the electric field right outside an infinite plane of charge?
A solid non-conducting sphere has a radius R and a charge of +Q uniformly distributed throughout its volume. Which graph below describes the electric field as a function of distance r from the center of the sphere?
A charge -2Q is placed at A ( 3,0,0) cm and another charge 8Q is placed at B ( 1,0,0)cm. Find the ratio of electric flux through concentric spheres S1 and S2 centered at the origin with radius 2 cm & 5 cm respectively
4/3
4
1/4
4/5
1/8
What is the shape of a Gaussian Surface for a hollow charged conducting cylinder
spherical
cylindrical shell
rectangular parallelopiped
any shape
What is the best method of taking the lesson feedback according to you
(a)
The normal vector to a rectangular loop makes an angle of 35 degrees with the vector describing the direction of an applied electric field. What is the Electric Flux through the loop, given the following data? E = 52,000 N/C, width = 35 cm, length = 75 cm
1.1 x 10^4 Nm*m/C
7.8 x 10^3 Nm*m/C
1.1 x 10^8 Nm*m/C
7.8 x 10^7 Nm*m/C
zero
You are trying to calculate the e-field outside a positively charged metal sphere of radius R. The Gaussian surface should be what kind of geometrical object?
circle
cylinder
cube
sphere
rectangle
A nonconducting sphere of radius R has a uniform charge distribution of magnitude Q. What is the electric field at a distance less than R?
0
What is the shape and orientation of the Gaussian surface used to find the electric field outside of an infinite plane of charge?
a sphere through the surface
a cube parallel to the surface
a cube through the surface
a cylinder parallel to the surface
a cylinder perpendicular to the surface
