Homework Statement
Two thin flat plates measure 1m by 1m and are separated by 0.005m. They are oppositely charged with one plate being +15*10^-6 C and the other -15*10^-6 C.
Estimate the total forces exerted by one plate on the other
Homework Equations
F=kq1q2/r^2
\int {\vec E...
Homework Statement
Question states "Total electric flux from a cubical box 0.28m on a side is 1.84x10^3 Nm^2/C. What is the charge enclosed by the box
Homework Equations
Gauss's Law
\begin{array}{l}
\phi _E = \vec E \bullet \vec A \\
\oint {\vec E \bullet d\vec A = \frac{{Q_{enclosed}...
Homework Statement
Question states "The plane that contains the line r=<-2,4,3>+t<3,2-1> and is perpendicular to the plane r=<5,0,0>+s<2,1,0>+t<-1,0,1> is:"
Answer is y+2z=10
Homework Equations
Cross product and dot product of vectors
The Attempt at a Solution
I found a...
Homework Statement
It seems to be obvious. But would like to check that for a line to be contained in a plane it needs to be parallel. Correct?
Homework Equations
The Attempt at a Solution
Homework Statement
Question is
"The Cartesian equation of the plane containing the line x=3t , y =1+t , z=2-t and passing through the point (-1,2,1) is?"
Homework Equations
\begin{array}{l}
n \bullet (r - r_0 ) = 0 \\
< n_1 ,n_2 ,n_3 > \bullet < x - x_0 ,y - y_0 ,z - z_0 >...
Homework Statement
AC circuit Vs is 100V 50Hz and is used as reference.
there are two impedences in parallel, made up of a 5ohm resistor and an inductor reactance = +j2 ohm that is parallel with 3 ohm resistor and a inductor reactance = -j3 ohm (though I though negative imaginary part was for...