Electric Charges MCQs : This section focuses on the "Electric Charges" in Physics Class 12. These Multiple Choice Questions (MCQs) should be practiced to improve the Physics Class 12 skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
_____________ is the basic physical property of matter that causes it to experience a force when kept in an electric or magnetic field.
A. Conductor
B. Electric charge
C. Insulator
D. None of the above
Question 2
How many types of electric charges?
A. 5
B. 3
C. 4
D. 2
Question 3
____________ are positively charged.
A. electrons
B. neutrons
C. protons
D. cell
Question 4
Electric charge is a scalar quantity.
A. TRUE
B. FALSE
C. Can be true or false
D. Can not say
Question 5
_________ is the unit of electric charge.
A. Farad
B. Coloumb
C. Henry
D. Siemens
Question 6
Various properties of charge include?
A. Additivity of Electric Charge
B. Conservation of Electric Charge
C. Quantization of Electric Charge
D. All of the above
Question 7
Why is gold used in the Gold-leaf electroscope?
A. Gold is easily available in nature
B. Gold is malleable
C. Gold is conducting in nature
D. Gold is cheap
Question 8
Gold-leaf electroscope can be used _______
A. Only to detect the presence of charge
B. To measure the surface charge density
C. To detect the presence of charge as well as its nature (positive or negative)
D. To measure current
Question 9
Number of electrons in 1 Coulomb charge is _________
A. 6.25*(10^21)
B. 6.25*(10^22)
C. 6.25*(10^23)
D. 6.25*(10^24)
Question 10
When an object has a negative charge it means that it has more electrons than protons.
A. TRUE
B. FALSE
C. Can be true or false
D. Can not say