Class 10th Science Chapter 12 | Exercise Questions (Q9, Q10, Q11, Q12, Q13) | Electricity | NCERT

Back exercise questions of electricity.

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This video contains solution of exercise solutions Question 9, 10, 11, 12, 13 of class 10th science physics chapter 12 (Electricity)

If you want to view a particular question in this video then click on the respective time stamps given below.
Time Stamps :
Question 9 : 00:00
Question 10 : 04:03
Question 11 : 08:41
Question 12 : 12:22
Question 13 : 15:53

Questions :
9. A battery of 9 V is connected in series with resistors of 0.2 Ω, 0.3 Ω, 0.4 Ω , 0.5 Ω and 12 Ω, respectively. How much current would flow through the 12 Ω resistor?

10. How many 176 Ω resistors (in parallel) are required to carry 5 A on a 220 V line?

11. Show how you would connect three resistors, each of resistance 6 Ω, so that the combination has a resistance of (i) 9 Ω, (ii) 4 Ω.

12. Several electric bulbs designed to be used on a 220 V electric supply line, are rated 10 W. How many lamps can be connected in parallel with each other across the two wires of 220 V line if the maximum allowable current is 5 A?

13. A hot plate of an electric oven connected to a 220 V line has two resistance coils A and B, each of 24 Ω resistance, which may be used separately, in series, or in parallel. What are the currents in the three cases?

Class 10 Science Chapter 11 Electricity
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