BSEB Portal
Bihar's First Online Community Platform for Students and Teachers

Bihar Board Physics Guess Question Paper 2021- Download BSEB 12th Physics Guess Objective Question for Board & Sent Up Exam 2020-2021- Set 1

0 233

Bihar Board Physics Guess Question Paper 2021: Bihar Board is going to conduct the Sent Up Exam and Board Exam 2021 of Physics in November 2020 and February 2021 Respectively. In this post we have shared the Guess and Very Very Important MCQ Objective Question of Physics Paper.


  1. The electric field inside a charged hollow sphere is

A. 1 C. Infinite

B. Zero   D. Negative  

2. Charge on a capacitor of capacity 1mF connected to a source of 1 volt will be

A. Zero                                               B. 1mC

C. 1C                                                  D. Infinite

3. The motion of electron inside a current carrying conductor is

A. Uniform                                          B. Accelerated

C. Drifting                                           D. Decelerated

4. Kilowatt-hour (Kwh) is unit of

A. Electric Power                               B. Electric Energy

C. Torque                                                    D. Electric Current

5. Lenz’s law is associated with the principle of conservation of

A. Charge                                           B. mass

C. energy                                           D. momentum

6. The permittivity of free space is

A. 1.6 x 10-19c                                     B. 9 x 109 Nm-1

C. 8.85 x 10-12  Fm-1                                         D. 1.6 x 10-9c

7. A capacitor of capacitance 50mF is charged with 10V. The energy of the capacitor is?

A. 2.5 x 10-4J                                      B. 2.5 x 10-3J

C. 5 x 10-2J                                         D. 1.2 x 10-8J

8. Van de Graff generator is a machine which generates

A. High Current                                            B. High Voltage

C. Both high current and high voltage       D. Only Low current

9. The current flowing through a wire is 1A. If the charge of an electron is 1.6 x 10-19C, then the number of electrons flowing through any section of the wire per second is

A. 0.625 x 1013                                                    B. 6.25 x 1018

C. 1.6 x 10-19                                                         D. 1.6 x 1019

10. The working principle of dynamo depends upon

A. Heating effect of current             B. Electro-magnetic induction

C. Induced magnetism                     D. Induced electricity

Students are requested to answer the solution of these question in Comment Box. We will update the solution of this set tomorrow.

Leave A Reply

Your email address will not be published.