EASY
12th CBSE
IMPORTANT
Earn 100

Define electrostatic induction. Briefly explain how an insulated metal sphere can be positively charged by induction.

Important Questions on Electric Charges and Field
EASY
12th CBSE
IMPORTANT
What is meant by quantization of electric charge? What is its cause?

EASY
12th CBSE
IMPORTANT
Give six properties of electric charges.

EASY
12th CBSE
IMPORTANT
State the law of conservation of charge. Give two examples to illustrate it.

EASY
12th CBSE
IMPORTANT
How does the speed of an electrically charged particle affects its (i) mass and (ii) charge?

EASY
12th CBSE
IMPORTANT
State Coulomb's law of force between two electric charges and state its limitations. Also, define the SI unit of electric charge.

EASY
12th CBSE
IMPORTANT
Write Coulomb's law in vector form. What is the importance of expressing it in vector form?

EASY
12th CBSE
IMPORTANT
Write the vector form of force acting between two charges and having and as their position vectors respectively.

MEDIUM
12th CBSE
IMPORTANT
State Coulomb's law in vector form and prove that where letters have their usual meanings.
