# Bihar Board Inter 2023 VVI Question

## Bihar Board Inter 2023

### Bihar Board Inter Examination V.V.I Question & Answer 20233

#### VVI Question

VVI Question

• Coulomb force is :
A. Central Force
B. electric force
C. Both A and B
D. none of these
Ans.(c)
• Static electric field is:
A. Guardian
B. unprotected
C. Somewhere Protective Somewhere Unprotected
D. none of these
Ans.(A)
• Generates a stationary charge?
A. Electric field only
B. Magnetic field only
C. Both electric field and magnetic field
D. does not generate any field
Ans.(A)

Bihar Board Inter 2023

• Between electric charges, the law of force is given by the following names?
A. Gauss
B. Kirchhoff
C. Kulamba
Ans.(c)
• The force between electric charges is given by?
B. Coulomb’s law
C. by Laplace’s law
D. by Gauss’s law
Ans.(B)
• Passion’s S.I. There is a unit.
A. Ampere (A)
C. Volt World (v)
D. Kulamba (C)
Ans.(D)
• The value of the electric capacitance of the latter conductor when a grounded conductor is taken near an electrically energized charged conductor.
A. decreases
B. grows
C. remains unchanged
D becomes 0
Ans.(C)

Bihar Board Inter 2023

• The dielectric constant of an object is always greater.
A. minus
B.  0.5s
C.  from 1
D.  from 2
Ans. (C)
• When K is the medium of dielectric constant in a capacitor, its capacitance relative to air is:
A. K increases by
B. decreases by K times
C. Increases K2 fold
D. none of these
Ans. (B)
• The unit of capacitance of a capacitor is
A. Voltage (V)
B. Newton (N)
C. Ampere (A)
• at the center of a charged hollow spherical conductor.
A. Electric field and potential are both zero
B. hears electric potential, not electric field
C. hear the electric field, not the potential
D. Both are not zero
Ans.(C)

Bihar Board Inter Examination

• Which of the following is a vector quantity?
A. Electric bulb
B. electric field intensity
C. electric charge
D. Surface density of charge
Ans. (B)
• To displace an electron from one point to another on an equipotential surface.
A. Work is done on the electron
B. work is done by electrons
C. work is infinite
D. does not work
Ans.(D)
• An electron and a proton are approaching each other. Potential energy of this system.
A. Decreasing
B. growing
C. remains unchanged
D. uncertain
Ans.(A)
• When a test charge is brought from infinity to perpendicular to any two poles, the work done is
A. positive
B. debt subject
C. zero
D. none of these
Ans.(C)
• The dielectric point of metals is:
A. zero
B. 1
C. more than 1
D. infinite
Ans.(D)
• When a soap bubble is charged, its radius is
A. grows
B. decreases
C. remains unchanged
D. becomes zero
Ans. (A)
• The tendency of a drop of liquid to contract when it is charged.
A. grows
B. decreases
C. remains unchanged
D. none of these
Ans. (B)

VVI Question

• From charge distribution
A. energy is lost
B. increase in energy
C. The value of energy remains constant
D. none of these
Ans.(A)
• The unit of electric capacitance is:
A. Voltage
B. Newton
D. ampere
Ans. (C)

बिहार बोर्ड इंटर परीक्षा

• The unit of kilowatt is
A. of power
B. of energy
C. torque
D. none of these
Ans.(B)
• An electric circuit is the algebraic sum of all currents at a point:
A. zero
B. infinite
C. positive
D. debt subject
Ans.(A)
• Who is right:
A. Current is scalar and current density is scalar
B. Current is vector and current density is scalar
C. Both are vector
D. Both are primitive
Ans.(A)
• The unit of resistance is:
A. Beber
B. ampere
C. Om
D. Henry
Ans. (C)
• The substance used in electric heater is:
A. copper
B. Platinum
C. Tungsten
D. Nichrome
Ans. (D)
• Voltmeter measures:
A. of the stream
B. electromotive force
C. of resistance
D. mass of ions
Ans.(A)
• A wire of 12 ohm resistance is bent in the form of a circle. The resistance between the sides of the diameter will be:
A. 3 Om
B. 6 Om
C. 9. Om
D. 12 Om
Ans.3 Om

बिहार बोर्ड इंटर परीक्षा

• The final image in an astronomical telescope is:
A. real and direct
B. real and inverted
C. imaginary and straightforward
D. imaginary and inverted
Ans. (D)
• When the tube of a microscope is enlarged, its magnifying power:
A. grows
B. decreases
C. becomes zero
D. remain unchanged
Ans. (A)
• The exponent of the particle theory of light was:
A. Huygens
B. Newton
C. Fresnel
D. Maxwell
Ans.(B)
• The concept of secondary wavelets was given by:
A. Frenell
B. Newton
C. Maxwell
D. Huygens
Ans.D
• Photoelectric cell:
A. converts electrical energy into light
B. converts light into electricity
C. stores light
D. stores electricity
Ans. (B)
• Is conserved in a nuclear reaction;
A. Momentum only
B. only passion
C. Energy only
D. All these
Ans. (D)

VVI Question

• By microphone:
A. Conversion of electric voltage into sound wave
B. change of sound pressure into electric voltage or current
C. Obtaining a magnified picture of an object
D. far-hearing of sound
Ans. (B)
• Skywave communication is based on:
A. on reflection by the ionosphere
B. Now on exploitation by the ionosphere
C. On conduction through the ionosphere
D. none of these
Ans.A
• The process of superimposing information on carrier waves is called:
A. Remittance
B. Modulation
C. V modulation
D. eclipse
A. Dialogue broadcast in the sky
B. Image broadcast in the sky
C. information transmitted through a core
Ans. (C)VVI Question
• An example of an analog communication system is not:
A. Fax
B. Calligraphy
D. Telex
Ans. (A)
• Is not part of the communication system;
A. Remittance
B. transmission
C. eclipse now
D. Energy
Ans.(D)
• Is the unit of reactance;
A. Om
B. what
C. ampere
D. Jul
Ans. (A)
• A radio wave of fixed amplitude is produced by:
A. Filters
B. rectifier
C. Oscillator
D.FET
Ans. (C)
• The principle of light fiber is;
A. diffraction
B. Interference
C. total internal reflection
D. refraction
Ans. (C)

बिहार बोर्ड इंटर परीक्षा

• Which range of hydrogen spectrum falls in the visible part:
A .Lyman series
B. Bayer Category
C. Back Category
D. Bracket Category
Ans.(B)
• The phenomenon of formation of new nuclei and release of energy due to the union of nuclei is called;
A. Nuclear Fusion
B. nuclear fission
C. chain action
D. Element Transfer
Ans. (A)
• Must be in the nucleus of the atom;
A. proton
B. Neutron
C. electron
D. Pouji Tron
Ans. (A)
• Diodes use:
A. like an amplifier
B. like an oscillator
C. like a rectifier
D. like modu letter
Ans. (C)
• The conduction bands are empty;
A. in conductors
B. in semiconductors
C. in metal
D. none of these
Ans.(B)
• Heat and a meter measures alternating current;
A. high value
B. Average value
C. Root mean square value
D. none of these
Ans. (C)