Moving electric charge

12 questions

1. An object becomes positively charged by friction. Which of the following explains how this happens?
2. How many of the following types of particle can an object gain or lose when it is rubbed against another object: electrons, protons, neutrons?
3. Which of the following statements about electric field lines are correct?
4. Which of the following statements about the arrows on electric field lines are correct?
5. The diagram shows a Van de Graaff generator. After the generator is switched on, which of the following happen?
6. Speed, distance and time are related by the equation: speed = distance ÷ time. Which of the following are correct rearrangements of this equation?
7. Which of the following is a definition of electric current?
8. A battery makes a current flow in a circuit. Which of the following statements about the electric field in the circuit are correct?
9. Which of the following statements is correct?
10. If 12 coulombs (C) of charge flows in 2 seconds (s), the current is ___ amps (A).
11. A current of 6 A flows in a circuit. The amount of charge that flows past in 3 s is ___ C.
12. A current of 0.50 A flows in a circuit. The time taken for 12 C of charge to flow past a point in the circuit is ___ s.

License: OGL