Physics
Grade-8
Easy
Question
What is the purpose of an electroscope?
- To detect and test small electric charges.
- To calculate the amount of electric charge flowing through the conductor
- To find out the presence of antimatter
- To test the presence of a magnetic field
Hint:
Electroscope can detect and test small electric charges.
The correct answer is: To detect and test small electric charges.
- An electroscope is a device used to detect the presence of small charge electric charge on a body.
- It detects whether the body is charged or uncharged.
Related Questions to study
Physics
Plastic, rubber, paper are examples of:
Plastic, rubber, paper are examples of:
PhysicsGrade-8
Physics
Two electroscopes, one positively charged (X) and the other negatively charged (Y), are connected with a copper wire, as shown in the figure. Which of the following will happen?
Two electroscopes, one positively charged (X) and the other negatively charged (Y), are connected with a copper wire, as shown in the figure. Which of the following will happen?
PhysicsGrade-8
Physics
A positively charged body is brought near an uncharged electroscope, then:
A positively charged body is brought near an uncharged electroscope, then:
PhysicsGrade-8
Physics
A body gains some charge after charging by _______.
A body gains some charge after charging by _______.
PhysicsGrade-8
Physics
In charging by rubbing and conduction, there is a need for _____.
In charging by rubbing and conduction, there is a need for _____.
PhysicsGrade-8
Physics
__________ is a good conductor.
__________ is a good conductor.
PhysicsGrade-8
Physics
On charging by conduction, the mass of a body may:
On charging by conduction, the mass of a body may:
PhysicsGrade-8
Physics
In charging by induction the _________ and ________ of the body do not get affected.
In charging by induction the _________ and ________ of the body do not get affected.
PhysicsGrade-8
Physics
When an uncharged body is brought near to charged body in the conduction, there is ______ flow.
When an uncharged body is brought near to charged body in the conduction, there is ______ flow.
PhysicsGrade-8
Physics
A metallic conductor has loosely bound electrons called free electrons. The metallic conductor is:
A metallic conductor has loosely bound electrons called free electrons. The metallic conductor is:
PhysicsGrade-8
Physics
Charging without physical contact is called _______.
Charging without physical contact is called _______.
PhysicsGrade-8
Physics
The transfer of charge in metals with physical contact is called _____.
The transfer of charge in metals with physical contact is called _____.
PhysicsGrade-8
Physics
An electroscope is used to__________.
An electroscope is used to__________.
PhysicsGrade-8
Physics
What is the nature of electrical charges generated by rubbing two objects?
What is the nature of electrical charges generated by rubbing two objects?
PhysicsGrade-8
Physics
After charging by induction, the induced body remains:
After charging by induction, the induced body remains:
PhysicsGrade-8
