## BSEB I.Sc Physics V.V.I. Question For Board Exam 2019

BSEB Class 12th Physics Believable Questions 2019: Hello, Student of Bihar State All-District. Here in this Article, we have updated the Bihar Board Class 12th Physics Subject important Questions with the answer. This is useful for you all concerned Students, who are going to take a part in the Bihar Board Class 12th board exam 2019.

Easy to practice to the Bihar board Intermediate students science stream Physics subject, We have uploaded some of very very important Physics Questions. Students who are going to take part in the Bihar board 2019 such students can do Objective Question Practice with BSEB Phy Questions.

## Bihar Board Physics MCQ Question with Solutions

The answer is shown in Bold letters so through this Questions you can strongly build up your examination Preparation. We expect that if you prepare with Bihar Board Physics Important Objective Questions then surely help to score good marks in Term end annual exam as well other competitive Examination.

#### BSEB Physics Exam Objective Question with Answer

We have collected that question from Well Ranked Coaching Centre for Physics Subject in Bihar State where they provide BSEB Pattern Syllabus education to Bihar board students.

#### BSEB PHYSICS Objective Questions with Answer

Q 1. Nickel is:

1. Diamagnetic
2. Paramagnetic
3. Ferromagnetic
4. None of these

Q 2. Coulombian Force is:

1. Central Force
2. Electric Force
3. Both A and B
4. None of these

Q 3.  In the uniform electric field exits along X-axis, Then equipotential is along:

1. XY-Plane
2. XZ- Plane
3. YZ- Plane
4. Anywhere

Q 4. In the series combination of two or more than two resistance:

1. The current through each resistance is same
2. The voltage through each resistance is same
3. Neither current nor voltage through each resistance is same
4. Both current and voltage through each resistance are same

Q 5. The quantum of electric charge is e.s.u. is:

1. 78×10-10
2. 6×10-19
3. 99×109
4. -1.6×10-10

Q 6. Which of the following ratio is constant for an isolated conductor?

1. Total charge/ potential A
3. Total charges square/ potential
4. None of these

Q 7. 1 coulomb charge = ………..e.s.u

1. 3 ×109
2. 9 ×109
3. 85 ×10-12
4. None of these

Q 8. The electric dipole moment of an electric dipole made up of two opposite charge having magnitude +3.2 ×10-19 C and -3.2×10-19 C separated by distance 2.4 ×10-10  m is:

1. 68 ×10-27 c-m
2. 68 ×10-29 c-m
3. 86 ×10-29 c-m
4. 86 ×10-27 27 c-m

Q 9. The intensity of the electric field at any point on the surface of a charged conductor is:

1. Zero
2. Perpendicular to the surface
3. Tangential to the surface
4. At 450 to the surface

Q 10. In a region of constant potential:

1. The electric field is uniform
2. The electric field is zero
3. There can be no charge inside the region
4. Both B and C are correct

Q 11. Biot-Savart law indicates that the moving electrons (velocity v) produce a magnetic field B such that:

1. B⊥v
2. B||v
3. It obeys inverse cube law
4. It is along the line joining the electrons and protons of observation

Q 12. In a Wheatstone bridge if battery and Galvanometer are interchanged then the deflection Galvanometer will:

1. Change in the previous direction
2. Not change
3. Change in the opposite direction
4. None of these

Q 13. Which of the following velocity of electrons determines the current in a conductor:

1. Drift velocity only
2. Thermal velocity only
3. Both Drift velocity and Thermal velocity only
4. Neither Drift nor Thermal velocity

Q 14. Kilowatt-hour (kWh) is the unit of:

1. Power
2. Energy
3. Torque
4. None of these

Q 15. The electric resistance of a healthy man is:

1. 50,000 Ω
2. 10,000 Ω
3. 1000 Ω
4. 10 Ω

Q16. A current of 10 ampere flows in a wire for 10 seconds if potential difference across the wire is 15 volt. the work done will be:

1. 1500 J
2. 75 J
3. 1500 W
4. 750 J

Q 17. The algebraic sum of all current meeting at any point in an electrical circuit is:

1. Infinite
2. Positive
3. Zero
4. Negative

Q 18. If ‘L’ be the inductance, ‘R’ Resistance and ‘C’ be the capacitance of a capacitor, dimensional formula of ‘L/R’ and ‘RC’ are:D

1. M°LT¯¹, ML°T¯¹
2. M°L°T, MLT°
3. M°L°T,1
4. M°L°T, M°L°T

Q 19. The principle of Wheatstone’s bridge is used in as

1. Galvanometer
2. Potentiometer
3. Ammeter
4. Voltameter

Q 20. The direction of the flow of current through the electric circuit is:b

1. From low potential to high potential
2. From high potential to low potential
3. Does not depends upon the potential value
4. Current cannot flow through the circuit

Q 21. The working of the dynamo is based on the principle of:

1. Heating effect of current
2. Electromagnetic induction
3. Magnetic induction
4. Electric induction

Q 22. The direction of propagation electromagnetic wave is:

1. Parallel to B
2. Parallel to E
3. Parallel to B ×  E
4. Parallel to E× B

Q 23. A charge moving with uniform velocity produces:

1. Only an electric field
2. Only a magnetic field
3. Electromagnetic field
4. None of these

Q 24. The magnetic field at the center of the circular loop of area A is B. the magnetic moment of the loop will be:

1. BA2
2. BA3/20
3. BA3/20π
4. 2 BA3/20√π

Q 25. In tan A and tan B position of a magnet, the magnetic field at a distance are represented by B1 and B2 respectively, then: A

1. B10/4π·2Md/(d²-l²)‚ B20/4π·M/(d²-l²)3/2
2. B1=B2;d>>l
3. B1=2B2;d>>l
4. Both ‘A’ and ‘B’

Q 26. The phase difference between electric and magnetic fields in an Electromagnetic wave is:b

1. 0
2. π/2
3. π
4. Anything

Q 27. The dimension of permeability is:

1. MLT-2I-2
2. MLT2I-2
3. MLT2I2
4. MLT-2I

Q 28. A charged particle would continue moving with a constant velocity in a region wherein which of the following conditions not correct?

1. E=0,B≠0
2. E≠0, B≠0
3. E≠0, B=0
4. E=0,B=0

Q 29. A current flow in a wire of resistance 5 Ωhaving potential difference 7 volts for 20 minutes. The heat produced is:

1. 140 cal
2. 280 cal
3. 700 cal
4. 2800 cal

Q 30. Energy band in solids are a consequence of

1. Ohm’s law
2. Pauli’s exclusion principle
3. Bohr’s theory
4. Heisenberg’s Uncertainly principal

Q 31. In Binary System 3 represents:

1. 1
2. 3
3. 7
4. 100

Q 32. p-n junction diode can be used as:c

1. Amplifier
2. Oscillator
3. Detector
4. Modulator

Q 33. which of the following has higher magnetic susceptibility:c

1. Diamagnetic
2. Paramagnetic
3. Ferromagnetic
4. None of these

Q 34. A byte is a string of n bits. then n equal:

1. 8
2. 6
3. 4
4. 2

Q 35. Which one of the following device is sometimes called in the electric eye?

1. LED
2. Photocell
3. Integrated chip
4. Solar cell

36. In Davisson and German experiment, the velocity of electrons emitted from the electron gun can be increased by:

1. Increasing the potential difference between the anode and filament
2. Increasing the filament current
3. Decreasing the filament current
4. Decreasing the difference between anode and filament

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### 1 Comment

• #### Mohit Gupta

31/01/2019 - 12:38

V nice objective