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Which is the better way to connect lights and other electrical appliances in domestic wiring: series circuits or parallel circuits? why? - Science

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प्रश्न

Which is the better way to connect lights and other electrical appliances in domestic wiring: series circuits or parallel circuits? why?

अति संक्षिप्त उत्तर
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उत्तर

Parallel circuits – Because if one electrical appliance stops working due to some defect, then all other appliances in the circuit will keep working properly.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 1: Electricity - Exercise 6

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व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

Fill in the blank:

To increase the effective resistance in a circuit the resistors are connected in _____________.


What is the unit of electric current?


 Write down the formula which relates electric charge, time and electric current


An electric circuit consisting of a 0.5 m long nichrome wire XY, an ammeter, a voltmeter, four cells of 1.5 V each and a plug key was set up.  

Following graph was plotted between V and I values: 

 

What would be the values of `V/I` rations when the potential difference is 0.8 V, 1.2 V and 1.6 V respectively?
What conclusion do you draw from these values?
 
What is the resistance of the wire? 


In the circuit diagram given below five resistances of 10 Ω, 40 Ω, 30 Ω, 20 Ω, and 60 Ω are connected as shown to a 12 V battery. 

  

Calculate:
(a) total resistance in the circuit. 

(b) total current flowing in the circuit.

 


Which type of circuit, series or parallel, is preferred while connecting a large number of bulbs:  

(b) for lighting inside the rooms of the hotel?

 


A given wire of resistance 1 Ω is stretched to double its length. What will be its new resistance?


State two differences between the e.m.f and terminal voltage of a cell. 


Draw a schematic diagram of an electric circuit consisting of a battery of two cells each of 1.5 V, 5 Ω, 10 Ω and 15 Ω resistors and a plug key, all connected in series.


Define electric intensity. Write its SI unit. Is it a scalar or a vector physical quantity?

'A fuse is rated 8 A'. Can it be used with an electrical appliance of rating 5 kW, 200 V?

A 200 v electric transfer draws an electric current of 11 A. What is its electrical resistance?

An electric bulb is rated 250 W, 230 V. What information does this convey? Calculate the current through a 60 W lamp rated for 250 V. If the line voltage falls to 200 V, how is the power consumed by the bulb affected?

Tick(✓) the correct choice in the following:

24 watt, 12 volt head lamp is fully lit by connecting it to a 12 volt
battery. The working resistance of the lamp is


In the circuit shown in fig. 6, find the reading of the ammeter A when the switch S is
(a) Opened.
(b) Closed.


Tick (✓) the correct choice among the following :

There are 500 turns and 2000 turns in the primary and secondary coil of a
transformer respectively. If th e output voltage is 1000 V, how large is the
input voltage?


Electrical power P is given by the expression P = (Q × V) ÷ time

(a) What do the symbols Q and V represent?

(b) Express the power P in terms of current and resistance explaining the meanings of symbols used there in.


What determines the direction of flow of electrons between two charged conductors kept in contact?


Which of the following represents voltage?


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