Q2 of 11 Page 44

The following figure shows the symbols for components used in the accompanying electrical circuit. Place them at proper places and complete the circuit.


Which law can you prove with the help of the above circuit?

The circuit with attached symbols is given below:


Ohm’s law can be proved with the help of the above circuit.


More from this chapter

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1

The accompanying figure shows some electrical appliances connected in a circuit in a house. Answer the following questions.

A. By which method are the appliances connected?


B. What must be the potential difference across individual appliances?


C. Will the current passing through each appliance be the same? Justify your answer.


D. Why are the domestic appliances connected in this way?


E. If the T.V. stops working, will the other appliances also stop working? Explain your answer.


 3

Umesh has two bulbs having resistances of and He wants to connect them in a circuit, but if he connects them one at a time the filament gets burnt. Answer the following.

A. Which method should he use to connect the bulbs?


B. What are the characteristics of this way of connecting the bulbs depending on the answer of A above?


C. What will be the effective resistance in the above circuit?

4

The following table shows current in Amperes and potential difference in Volts.

A. Find the average resistance.


B. What will be the nature of the graph between the current and potential difference? (Do not draw a graph.)


C. Which law will the graph prove?


 5

Match the pairs