MCQ on Class 12 Physics Chapter 3 Current Electricity with Answers

We have compiled the MCQ Questions for Class 12 Chemistry Chapter 3 Current Electricity with Answers Pdf free download covering the entire syllabus for JEE/NEET and Boards. Practice MCQ Questions for Class 12 Physics with Answers on a daily basis and score well in exams. Refer to the Current Electricity Class 12 MCQs Quiz Questions with Answers here along with a detailed explanation

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Current Electricity Class 12 MCQs Questions with Answers

MCQ Questions for Class 12 Physics Chapter 3 Current Electricity with Answers

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1. Combine three resistors 5 Q, 4.5 Q and 3 Q in such a way that the total resistance of this combination is maximum

 
 
 
 

2. Thermo electricity was discovered by:

 
 
 
 

3. In parallel combination of n cells, we obtain

 
 
 
 

4. Two conductors of equal length and radii the ratio of 2 : 3 are; connected in parallel the source of electricity. The ratio of the velocity of electrons in the conductor be :

 
 
 
 

5. The heat sensitive device whose resistivity changes very rapidly with change of temperature is called a :

 
 
 
 

6. A charge is moving across a junction, then

 
 
 
 

7. Siemen is the unit of:

 
 
 
 

8. The example of a non-ohmic resistance is:

 
 
 
 

9. In India electricity is supplied fordomestic use at 220 V. It is supplied at 110 V in U.S.A. If the resistance of a 60 W bulb use in India is R. the resistance of a 60 W bulb for use in USA will be:

 
 
 
 

10. The current which is assumed to be flowing in a circuit from positive terminal to negative, is called

 
 
 
 

11. When a metal conductor connected to left gap of a meter bridge is heated, the balancing point

 
 
 
 

12. Nichrome or Manganin is widely used in wire bound standard resistors because of their

 
 
 
 

13. Two cells of emf’s approximately 5 V and 10 V are to be accurately compared using a potentiometer of length 400 cm.

 
 
 
 

14. To draw a maximum current from a combination of cells, how should the cells be grouped?

 
 
 
 

15. Drift velocity of electrons is due to

 
 
 
 

16. A galvanometer acting as a volt meter will have with its coil.

 
 
 
 

17. Constantan wire is used for making standard resistance, because it has

 
 
 
 

18.  
In the series combination of two or more than two resistances

 
 
 
 

19. A current passes through a resistor. If K1 and K2 represent the average kinetic energy of the conduction electrons and the metal ions respectively then

 
 
 
 

20. When no current is passed through a conductor,

 
 
 
 

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