Hey there, future physicists! Let's spark up a discussion about electric charge! Which of the following statements is true about electric charge?
Electrostatics and Electric Charges Quiz

Quiz
•
Physics
•
12th Grade
•
Hard

Bhagwan Ji Gupta
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Electric charges are created and destroyed in every interaction, just like magic tricks!
Charges are conserved in an isolated system, like James keeping his favorite toy safe!
Only positive charges are conserved, as Priya believes in only good vibes!
Charge cannot be transferred between objects, like William not sharing his snacks!
Answer explanation
The correct statement is that charges are conserved in an isolated system. This means that the total electric charge remains constant, even though charges can be transferred between objects.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Imagine Benjamin and Isla are conducting a fun experiment with an ebonite rod and a piece of silk. When they rub the ebonite rod with the silk, what do you think happens?
The ebonite rod becomes positively charged, and the silk becomes negatively charged.
The ebonite rod becomes negatively charged, and the silk becomes positively charged.
Both the ebonite rod and silk become negatively charged.
Both the ebonite rod and silk become positively charged.
Answer explanation
When an ebonite rod is rubbed with silk, electrons are transferred from the silk to the ebonite rod. This results in the ebonite rod becoming negatively charged and the silk becoming positively charged.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hey there, William! Imagine you have two magical charges: one is a friendly +4 μC and the other is a mischievous -2 μC. If they decide to come together for a fun party, what will be their total charge?
+2 μC
-2 μC
+6 μC
0 μC
Answer explanation
To find the total charge, add the two charges: +4 μC + (-2 μC) = +2 μC. Thus, the total charge when the two charges are brought together is +2 μC.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
One sunny afternoon, Aiden and Abigail were experimenting with static electricity. Aiden took a glass rod and rubbed it vigorously with a silk cloth. To their surprise, the glass rod became positively charged! What do you think happened to the silk cloth?
It remains neutral.
It becomes negatively charged.
It becomes positively charged.
It acquires a positive charge equal to that of the rod.
Answer explanation
When the glass rod is rubbed with silk, it loses electrons and becomes positively charged. The silk cloth gains these electrons, resulting in a negative charge. Therefore, the silk cloth becomes negatively charged.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hey there, science explorers! 🌟 Anika, Priya, and Daniel are conducting a fun experiment with silk. Can you guess which of the following materials, when rubbed with silk, will magically acquire a negative charge?
Glass
Ebonite
Wood
Cotton
Answer explanation
Ebonite, when rubbed with silk, gains electrons and thus acquires a negative charge. In contrast, materials like glass, wood, and cotton do not exhibit this behavior when rubbed with silk.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Imagine Zoe is playing with a charged balloon and brings it close to Liam's neutral toy. Suddenly, the toy seems to react! What phenomenon is happening here as the charge distribution in Liam's toy gets altered?
Conduction
Induction
Charging by rubbing
Coulomb’s law
Answer explanation
When a neutral object is brought near a charged body, the charge distribution within the neutral object shifts, creating a temporary separation of charges. This process is known as induction.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hey there, science enthusiasts! Can you help Nora figure out the charge on a single electron? Is it:
1.6×10−19 C1.6 \times 10^{-19} \, C
3.2×10−19 C3.2 \times 10^{-19} \, C
1.0×10−19 C1.0 \times 10^{-19} \, C
1.6×10−18 C1.6 \times 10^{-18} \, C
Answer explanation
The charge on a single electron is a fundamental constant in physics, known to be approximately -1.6×10−19 C. Therefore, the correct answer is 1.6×10−19 C.
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