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Resistors in Series and Parallel, Class 10 Science NCERT Solutions

1. There will be total 20 MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying

1. The given symbol is used for representing _______ in a circuit.

01 

 
 
 
 
 

Question 1 of 20

2. A student connected four identical light bulbs in a circuit as shown. She observes that the brightness of bulb A varies if some of the switches are closed. In which case will bulb A burn brightest?

02
 
 
 
 

Question 2 of 20

3. When a number of resistors are connected in parallel, then their resultant resistance is ______________ the smallest individual resistance.
 
 
 
 

Question 3 of 20

4. For carrying out the experiment, on finding the equivalent resistance of two resistors connected in series, a student sets up the circuit as shown. On further verification, he finds out that the circuit has one or more of the following faults:

03

(i) The resistors R1 and R2 have not been correctly connected in series

(ii) The voltmeter has not been correctly connected in the circuit

(iii) The ammeter has not been correctly connected in the circuit

Out of these three, the actual fault in the circuit is/are:

 
 
 
 

Question 4 of 20

5. Two students (A) and (B) connect their two given resistors R2 and R2 in the manners shown below.

04Student A connects the terminals marked b1 and c1 while student B connects the terminals marked d2 and c2 in their respective circuits at the points marked X and Y.

05Which one of the following is correct in relation to above arrangement:-
 
 
 
 

Question 5 of 20

6. The statement that is most correct about the following circuit is:

01 

 
 
 
 
 

Question 6 of 20

7. Four resistors of 4 ohm each are connected in parallel, four such combinations are then connected in series. Their total resistance is
 
 
 
 

Question 7 of 20

8. The correct set up for studying the dependence of the current on the potential difference across a resistor is:

02
 
 
 
 

Question 8 of 20

9. The resistors R1 and R2 are connected in

03
 
 
 
 

Question 9 of 20

10. Find the total resistance of the given circuit.

05
 
 
 
 

Question 10 of 20

11. In the experiment on finding the equivalent resistance of two resistors connected in parallel three students connected the Voltmeter in their circuits in the three ways X, Y and Z shown here.

04The voltmeter has been correctly connected in.
 
 
 
 

Question 11 of 20

12. Two resistors 4Ω and 2Ω are connected in series, and potential difference of 12 V is applied across the combination. Then, the current through the circuit is:

 
 
 
 
 

Question 12 of 20

13. The decrease of resistance in parallel combination is due to:
 
 
 
 

Question 13 of 20

14. The combined resistance of 6Ω and 12Ω connected in parallel is
 
 
 
 

Question 14 of 20

15. Three resistors each having same resistance are connected in parallel. Their equivalent resistance is 11. If they are connected in series, their equivalent resistance will be:

 

 
 
 
 
 

Question 15 of 20

16. A resistor of 8 Ω is connected in parallel with another resistor R2. The resultant resistance of the combination is 4 Ω. Then, the value of resistor R2 is:
 
 
 
 

Question 16 of 20

17. Calculate the equivalent resistance from the following combination of resistors.
 
 
 
 

Question 17 of 20

18. A uniform conducting wire offers a resistance of 60 Ω. It is cut into 12 equal parts and 6 of them are connected in parallel and remaining 6 are connected in series. This parallel bundle is connected in series with the series chain. Then, find the net resistance.
 
 
 
 

Question 18 of 20

19. Four resistors are connected in Parallel. Each has a resistance 2. The effective resistance is:

06
 
 
 
 

Question 19 of 20

20. To determine the equivalent resistance of a series combination of two resistors R1 and R2, a student arranges the following set up

07Which of the following statements will be true for this circuit:
 
 
 
 

Question 20 of 20

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