CIE iGCSE Co-Ordinated Science P4.2.1 Electrical charge Exam Style Questions Paper 2
Question
A plastic rod is rubbed with a cloth.
The rod becomes positively charged.
What happens to the rod and what happens to the cloth?
▶️Answer/Explanation
Ans: A
Question
Three charged balls P, Q and R are suspended by insulating threads. Ball P is negatively charged.
Ball Q is brought close to ball P. The balls move away from each other.
Ball Q is now brought close to ball R. The balls move closer to each other.
What are the signs of the charges on ball Q and ball R?
▶️Answer/Explanation
Ans: B
Question
A plastic rod is rubbed with a cloth. The rod becomes positively charged.
Which statement describes why this happens?
(A) Electrons move from the cloth to the rod.
(B) Electrons move from the rod to the cloth.
(C) Protons move from the cloth to the rod.
(D) Protons move from the rod to the cloth.
▶️Answer/Explanation
Ans: B
Question
Two insulators are charged by rubbing them with a cloth.
After this, the charged insulators repel each other.
Which statement is a possible description of how the insulators become charged?
A One gained electrons and the other gained protons.
B One gained electrons and the other lost electrons.
C They both lost electrons.
D They both lost protons.
▶️Answer/Explanation
Ans : C