physics objective class 12 bihar board
- 4. MOVING CHARGES AND MAGNETISM ( Objective Question Answer 2022 )- 1. The current sensitivity of a moving coil galvanometer increases with decrease in : (A) magnetic field (B) area of… Read More »
- 3. CURRENT ELECTRICITY ( Objective Question Answer 2022 )- 1. The speed at which the current travels in a conductor is nearly : (A) 3 x 104 ms-1… Read More »
- 2. ELECTROSTATIC POTENTIAL AND CAPACITANCE ( Objective Question Answer 2022 )- 1. The dimensions of fall of potential per unit distance are given by : (A) [MLT-3A-1] (B) [ML2T-2A-1] (C) [ML2T-2A-3]… Read More »
- 1. ELECTRIC CHARGES AND FIELDS ( Objective Question Answer 2022 )- 1. Which one of the following is the unit of electric field ? (A) Coulomb (B) Newton (C) Volt (D)… Read More »
- 12. ATOMS( Objective Question Answer 2022 )- 1. Who explained the splitting of special lines in magnetic field ? (A) Zeeman (B) Bohr (C) Summerfield (D)… Read More »
