In a certain region of space, the electric field is along `+y`-direction and has a magnitude of 400 V/m . What is the potential difference from the coordinate origin to the following points?
`a. x=0,y=20cm, z=0`
b. `x=0, y=-30cm, z=0`
`c. x=0, y=0, z=15cm`

For every point (x\ , y ,\ z) on the x- axis (except the origin) a. x=0,\ y=0,\ z!=0 b. x=0,\ z=0,\ y!=0 c. y=0,\ z=0,\ x!=0 d. x=y=z=0

Write the number of solution of the following system of equation.x+y-z=0 3x-y+z=0 x-3y+z=0

A long, straight wire lies along the y-axis and carries a current I=8A in the y-direction (as shown in Fig) In addition to the magnetic field due to the current in the wire, a uniform magnetic field vecB_0 with magnitude 1.50xx10^-6T is in the +x direction. What is the total field (magnitude and direction ) at following points in the plane? (a) x=0,z=1.00m (b) x=1.00m,z=0 (c) x=0, z=-0.25m

for every point (x,y,z) on the y-axis: (A) x=0,y=0 (B) x=0,z=0 (C) y=0,z=0 (D) y!=0,x=0,z=0

for every point (x,y,z) on the y-axis: (A) x=0,y=0 (B) x=0,z=0 (C) y=0,z=0 (D) y!=0,x=0,z=0

For every point P(x ,\ y ,\ z) on the xy-plane, a. x=0 b. y=0 c. z=0 d. x=y=z=0

For every point P(x ,\ y ,\ z) on the xy-plane, a. x=0 b. y=0 c. z=0 d. x=y=z=0

For every point P(x ,\ y ,\ z) on the xy-plane, a. x=0 b. y=0 c. z=0 d. x=y=z=0

Solve the following system of homogenous equations x+y+z=0,x+2y-z=0,2x+y+3z=0 .