Class 12 Physics: Electric Charges and Fields Worksheet
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Q1 · MCQ · 1 mark
If a charge 'q' is placed at the center of a cube, what is the electric flux passing through one face of the cube?
Q2 · MCQ · 1 mark
The electric field inside a uniformly charged spherical shell is:
Q3 · FILL · 1 mark
The SI unit of electric field intensity is ________.
Q4 · MCQ · 1 mark
Two point charges +q and -q are placed at a distance 'r' from each other. The force between them is proportional to:
Q5 · FILL · 1 mark
According to Gauss's Law, the total electric flux through any closed surface is equal to ________ times the net charge enclosed within the surface.
Q6 · MCQ · 1 mark
Which of the following properties is NOT true for electric field lines?
Q7 · SHORT · 2 marks
Define electric dipole moment. Give its SI unit.
Q8 · MCQ · 1 mark
A positively charged rod is brought near an isolated neutral metal sphere. When the rod is removed, the sphere will be:
Q9 · FILL · 1 mark
The force per unit positive test charge is called the ________.
Q10 · SHORT · 2 marks
State Coulomb's Law for electric forces between two point charges in vector form.