WorksheetsPHYSICS IS FUN!!
Total questions: 10
Worksheet time: 7mins
A metal ball hangs from the ceiling by an insulating thread. The ball is attracted to a positive-charged rod held near the ball. The charge of the ball must be:
Positive
Negative
Neutral
Positive or Neutral
Negative or Neutral
Two charged balls are repelling to each other as they hang from the ceiling. What can you say about their charges?
one is positive, the other one is negative
both are positive
both are negative
both are positive or both are negative
What is the magnitude of the force F2 ?
1.0N
3.0N
6.0N
2.0N
A proton and an electron are in constant electric field created by oppositely charged plates. You release the proton from the positive side and the electron from the negative side. Which feels the larger electric force?
proton
They feel the same magnitude force but opposite direction
neither - there is no force
both feel the same force
Which two points have the same potential?
C and E
A and D
B and D
E and D
In the circuit shown, what is the voltage across R1 ?
12V
0
6V
8V
What is the current in branch P?
2A
4A
7A
6A
Points P and Q are connected to a battery of fixed voltage. As more resistors R are added to parallel circuit, what happens to the total current in the circuit?
increases
remains the same
decreases
drops to zero
Four point charges are arranged at the corners of a square. Find the electric field E and the potential V at the center of the square.
E = 0 V = 0
E = 0 V=0
What is the electric potential at point B?
V=0
V = 0
V < 0
