Physics -XII- chapter1
Physics Fundamentals Quiz
Test your understanding of fundamental concepts in physics with our engaging quiz! This quiz covers essential topics such as electric fields, dipole moments, and surface charge density.
Key Features:
- Multiple-choice questions
- Open-ended questions for deeper insights
- Instant feedback on your answers
1.When a glass rod is rubbed with silk it
Gain electron from the silk
Give electron to silk
Gain proton from silk
Give proton to silk
2.The electric field inside a spherical shell of uniform surface charge density is
Zero
Constant, less than zero
Directly proportional to the distance from the centre
None of these
3.Force per unit charge is known as
Electric flux
Electric field
Electric potential
Electric current
4.Electric field lines provide information about
Field strength
Direction
Nature of charge
All of these
5.The SI unit of surface integral of electric field is
V/m
V
N/C
C/m3
6.An electric dipole placed in an electric field experience torque. i)What is the net force acting on the dipole placed in a uniform electric field? ii)Write the expression in the vector form for the torque acting on an electric diople
8.Define the term electric field intensity. Derive an expression for electric field intensity at a poit on the axis of an electric field.
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