Multiple Choice
A 4.0-pC point charge is placed at the centre of a hollow (inner radius = 2.0 cm, outer radius = 4.0 cm) conducting sphere which has a net charge of 4.0 pC.Determine the magnitude of the electric field at a point which is 6.0 cm from the point charge.
A) 35 N/C
B) 25 N/C
C) 30 N/C
D) 20 N/C
E) 10 N/C
Correct Answer:

Verified
Correct Answer:
Verified
Q2: A student has made the statement that
Q3: The xy plane is 'painted' with a
Q4: A solid non-conducting sphere (radius = 12
Q5: A 5.0-nC point charge is embedded at
Q6: Charge of uniform surface density (0.20 nC/m2)
Q7: Charge of uniform density (80 nC/m3) is
Q9: An uncharged spherical conducting shell surrounds a
Q11: A positive point charge q is placed
Q23: An uncharged metal sphere is placed on
Q80: An astronaut is in an all-metal chamber