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Why is the series arrangement not used for domestic circuits?

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प्रश्न

Why is the series arrangement not used for domestic circuits?

संक्षेप में उत्तर
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उत्तर

Series connections are not used in domestic electrical circuits due to the following reasons:

  1. It cannot be used with different devices (devices) with different switches on and off. If one equipment fails, the other also stops working.
  2. In series connection, the same current flows through all the devices, which we do not need.
  3. Due to high total resistance of the circuit (R = R1 + R2 + ...), the value of current becomes extremely low.
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अध्याय 11: Electricity - EXERCISE [पृष्ठ १९४]

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एनसीईआरटी Science [English] Class 10
अध्याय 11 Electricity
EXERCISE | Q 18. (c) | पृष्ठ १९४

संबंधित प्रश्न

Complete the following :-

(a)


Write any two characteristics of a series combination of resistors.


Find the equivalent resistance between points A and B.


Two resistors of 4Ω and 6 Ω are connected in parallel to a cell to draw 0.5 A current from the cell.
(i) Draw a labelled circuit diagram showing the above arrangement.
(ii) Calculate the current in each resistor. What is an Ohmic resistor?


An electrical appliance has a resistance of 25 Ω. When this electrical appliance is connected to a 230 V supply line, the current passing through it will be:

(a) 0.92 A
(b) 2.9 A
(c) 9.2 A
(d) 92 A

 


How does the resistance of a wire change when:

 its diameter is tripled? 

 


If five resistances, each of value 0.2 ohm, are connected in series, what will be the resultant resistance?


If two resistors of 25 Ω and 15 Ω are joined together in series and then placed in parallel with a 40 Ω resistor, the effective resistance of the combination is : 

(a) 0.1 Ω
(b) 10 Ω
(c) 20 Ω
(d)40 Ω


Name the following substances:
(i) Showing low resistivity,
(ii) Showing very high resistivity,
(iii) Showing moderate resistivity.


The potential difference between the terminals of an electric iron is 240 V and the current flowing through it is 6 A. What is the resistance of the electric iron?

How will you oonnect five resistors, each of the value one ohm, to obtain an equivalent resistance of 0.2 `Omega`


Calculate the equivalent resistance of the following combination of resistor r1, r2, r3, and r4


Two bulbs of 100 W and 40 W are connected in series. The current through the 100 W bulb is 1 A. The current through the 40 W bulb will be ______.


Bends in a rubber pipe reduce the flow of water through it. How would the bands in a wire affect its electric resistance?


Name the material of wire used for making standard resistances. Give a reason.


Write an expression for the resistance of a conducting wire in terms of its length and area of cross-section.


Four resistances of 2.0Ω each are joined end to end, to form a square ABCD. Calculate the equivalent resistance of the combination between any two adjacent comers.


Two resistors of 4Ω and 6Ω are connected in parallel to a cell to draw 0.5 A current from the cell.
Draw a labelled circuit diagram showing the above arrangement.


Two resistors of 4Ω and 6Ω are connected in parallel to a cell to draw 0.5 A current from the cell. Calculate the current in each resistor.


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