Most important MCQs · Ch 1 + Ch 2
Tap an option to lock your answer. Questions marked with a paper name come from real HPBOSE papers; the rest follow the HPBOSE pattern.
Score 0 / 0 · 40 total
- 01Ch 1 · Electric charge HPBOSE Board Paper (PYQ)
The S.I. unit of electric charge is:
- 02Ch 1 · Electric field HPBOSE Model Paper 2024-25 · Q1
The unit of electric field intensity is:
- 03Ch 1 · Electric charge
The dimensional formula of electric charge is:
- 04Ch 1 · Quantization
Quantization of charge means:
- 05Ch 1 · Quantization
The number of electrons in 1 coulomb of charge is:
- 06Ch 1 · Coulomb's law
The value of 1/4πε₀ in SI units is:
- 07Ch 1 · Coulomb's law
If the distance between two point charges is doubled, the Coulomb force becomes:
- 08Ch 1 · Electric dipole
The SI unit of electric dipole moment is:
- 09Ch 1 · Electric dipole
The direction of dipole moment is:
- 10Ch 1 · Electric dipole
For a short dipole, the ratio of field on axial line to equatorial line (same r) is:
- 11Ch 1 · Torque on dipole
Torque on a dipole in a uniform field is maximum when θ equals:
- 12Ch 1 · Torque on dipole
Net force on an electric dipole in a uniform electric field is:
- 13Ch 1 · Electric flux
The SI unit of electric flux is:
- 14Ch 1 · Gauss's theorem
According to Gauss's theorem, total flux through a closed surface enclosing charge q is:
- 15Ch 1 · Gauss applications
Electric field due to an infinite plane sheet of charge is:
- 16Ch 1 · Gauss applications
Electric field inside a uniformly charged spherical shell is:
- 17Ch 2 · E and V relation HPBOSE Model Paper 2022-23 · Q3
Which statement is true regarding the relation between electric field and potential?
- 18Ch 2 · Dielectrics HPBOSE Model Paper 2022-23 · Q4
Dielectric strength is the maximum value of ______ that a dielectric can withstand without breakdown.
- 19Ch 2 · Electric potential
The SI unit of electric potential is:
- 20Ch 2 · Electric potential
The dimensional formula of electric potential is:
- 21Ch 2 · Electric potential
Electric potential is a:
- 22Ch 2 · Dipole potential
Electric potential on the equatorial line of a dipole is:
- 23Ch 2 · Dipole potential
Potential due to a short dipole on its axial line varies as:
- 24Ch 2 · Equipotential surface
Work done in moving a charge on an equipotential surface is:
- 25Ch 2 · Equipotential surface
The angle between electric field and an equipotential surface is:
- 26Ch 2 · Potential energy
1 electron volt equals:
- 27Ch 2 · Potential energy
Potential energy of a system of two point charges q₁ and q₂ separated by r is:
- 28Ch 2 · Conductors
Electric field inside a charged conductor is:
- 29Ch 2 · Conductors
Charge given to a conductor resides:
- 30Ch 2 · Dielectrics
The relation between dielectric constant K and susceptibility χₑ is:
- 31Ch 2 · Capacitance
The SI unit of capacitance is:
- 32Ch 2 · Capacitance
Dimensional formula of capacitance is:
- 33Ch 2 · Capacitance
Capacitance of an isolated spherical conductor of radius r is:
- 34Ch 2 · Parallel plate capacitor
Capacitance of a parallel plate capacitor is:
- 35Ch 2 · Dielectric slab
When a dielectric slab fills the gap completely (t = d), capacitance becomes:
- 36Ch 2 · Combination
Three capacitors of 3 µF each are connected in series. Equivalent capacitance is:
- 37Ch 2 · Combination
In a parallel combination of capacitors, which quantity is the same for all?
- 38Ch 2 · Energy stored
Energy stored in a capacitor is:
- 39Ch 2 · Energy stored
Energy density in the electric field of a capacitor is:
- 40Ch 2 · Energy stored
A dielectric is inserted in a charged capacitor after disconnecting the battery. The energy stored: