Class 12 Physics Model Paper 1 MCQs Test

1. Electromagnetic radiations transport energy equal to:

2. The amount of energy equivalent to 1 a.m.u. is:

3. Find the electric potential (in volts) at the center of the line joining the two charges +5μC and -5μC. The charges are placed at a distance of 10cm.

4. The unit “henry” is used for:

5. Strong nuclear force exists between:

6. How much charge passes in 2 minutes through a junction which has a steady current of 5A?

7. A straight current-carrying conductor experiences maximum magnetic force in a uniform magnetic field when it is placed _________ to the field.

8. A capacitor acts like a perfect insulator for:

9. If speed ‘v’ of an observer is added to the speed of light ‘c’, the resultant speed will be equal to:

10. The S.I unit of Magnetic flux is:

11. The conductivity of good conductors is:

12. How many electrons on a body will be established by a charge of one coulomb?

13. The materials whose resistivity become zero below a certain temperature (critical temperature Tc) are called:

14. The electrical energy converted into heat energy is given by the expression:

15. The phase relationship between alternating voltage (V) and alternating current (I) through an inductor is:

16. The current through a circuit, in which emf of a cell ε = 120V and internal resistance r = 0.01Ω is connected with load R= 1000Ω, is:

17. One meter long rod is moving at 300 through a magnetic field of 1T. If the velocity of the rod in the magnetic field is 1ms^-1 then induced emf across the rod will be: