Electric Field and Electric Force

What sign is this charge?
1. positive
2. negative
3. neutral
What sign is this charge?
1. positive
2. negative
3. neutral
Where is the electric field strength the greatest?
1. at point A.
2. at point B.
3. it is the same at both points.
Where would a negative charge feel less force?
1. at point A.
2. at point B.
3. same at both points.
Which would feel a greater force at point A, a proton or an electron?
1. a proton.
2. an electron.
3. same force on both.
Which charge is bigger?
1. The one with arrows in.
2. The one with arrows out.
3. Both have the same amount of charge.
What is the sign of the left charge?
1. positive
2. negative
3. neutral
Which charge experiences the greatest electric field?
1. -2C
2. 1C
3. 2C
4. -1C
5. Same for all
Which charge feels the greatest magnitude of force: the –2C or the 2C?
1. -2C
2. 2C
3. same on both charges.
When released, which way will the positive charges move?
1. Left
2. Right
3. Up
4. Down
When released, which way will the negative charges move?
1. Left
2. Right
3. Up
4. Down
Which charge has the greatest electric field at its current position?
1. The positive charge.
2. The negative charge.
3. They are equal.
Which way does the electric field point?
1. Up
2. Down
3. Left
4. Right
Where is the electric field the weakest?
1. Point A.
2. Point B.
3. Point C.
4. Same for all points.
Where is the electric force the strongest?
1. Point A.
2. Point B.
3. Point C.
4. Same for all points.
What is the magnitude of the total electric field at point P?
1. 0
2. 2
3. 3
4. 6
5. 9
6. 12
7. 18
What is the magnitude of the total electric force at point P?
1. 0
2. 2
3. 3
4. 6
5. 9
6. 12
7. 18
What is the magnitude of the total electric field at point P?
1. 0
2. 2
3. 3
4. 6
5. 9
6. 12
7. 18
What is the magnitude of the total electric field at point P?
1. 0
2. 3
3. 4
4. 5
5. 9
6. 16
What is the direction of the total electric field at point P?
What would be the direction of the force on a + charge placed at P?
What would be the direction of the force on a − charge placed at P?
What is the direction of the electric field at point P?
What is the direction of the electric field at point P?
Which way would a − charge move if placed at point P?
What is the direction of the electric field at point P?
Which way would a + charge move if placed at point P?
Which charge experiences the greatest electric force: the -2C or +1C charge?
1. -2C
2. 1C
3. They are the same.
If the top charge was moved to point B, how would the magnitude of the net electric field change?
1. Increase
2. Decrease
3. No Change