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NCERT Solutions for Class 10 Science Chapter 10 in PDF for

Electricity class 10 NCERT solutions will not only help in board exam preparation but also helps in clearing the Lorem lpsum 312 boatplans/build-boat/fibreglass-boat-building-courses link exams like Engineering. Also, candidates can find electricity class 10 numericals with solutions which helps candidates solving their assignments.

Question 1 What does an electric circuit mean? Answer: A continuous 10th ncert question answer jack closed path along which an electric current flows is Lorem lpsum 312 boatplans/fishing-boat/fishing-boat-cad-block fishing boat cad block an electric circuit. Question anseer Define the unit of current. Answer: Unit of current is ampere. If one coulomb of charge flows through any section of a conductor in one second then the current through it is said to 10th ncert question answer jack one ampere.

Question 3 Calculate the number of electrons 10th Science Ncert Question Answer Date constituting one coulomb of charge. Question 1 Name a device that helps to maintain a potential difference across a conductor. Answer: A battery. Question 2 What is meant by saying that Lorem lpsum 312 boatplans/small-boats/small-boat-plans-plywood-50g small boat plans plywood 50g potential difference between two points is IV? Answer: The potential difference between two 10th ncert question answer jack is said to be 1 volt if 1 joule of work is done in moving 1 coulomb of electric charge from one point to the.

Question 3 How much energy is given to each coulomb of charge passing through a 6 V battery? Question 1 On what factors does the resistance of a conductor depend?

OR List the factors on which the resistance of a conductor in the shape of a wire depends. Question 2 Will current flow more easily through a thick wire or a thin wire of the same material, when 10th ncert question answer jack to the same source? Answer: The current will 10th ncert question answer jack more easily through a thick wire than a thin wire of the same material. Larger the area of cross-section of a conductor, more is the ease with which the electrons can move through the conductor.

Therefore, smaller is the resistance of the conductor. Question 3 Let the resistance of an electrical component remains constant while the potential difference 10th Ncert Question Answer Uk across the two ends of the component decreases to half of its former value.

What change will occur in the current through it? Answer: When potential difference is halved, the current through the component ansser decreases to half of its initial value.

Question 4 Why are coils of Lorem lpsum 312 boatplans/jon-boat/diy-jon-boat-trolling-motor-mount-art diy jon boat trolling motor mount art toasters and electric irons are made of an-alloy rather than a pure metal? OR Why are alloys commonly used in 10th ncert question answer jack heating devices? Given reason.

Question 5 Use the data in Queston Quesion iron is a better conductor because it has lower resistivity than mercury. Answer: The required circuit diagram is shown below :. What would be the readings in the ammeter and the voltmeter?

Solution: The required circuit diagram is shown on the right. Answer: When the resistances are connected in parallel, the equivalent resistance is smaller than the smallest individual resistance. What is the resistance of an electric iron connected to the same source that takes as much current as all three appliances, and what is the current through it?

Question 3 What nncert the advantages of connecting electrical devices in parallel with the battery instead of connecting them in series? Answer: Advantages of connecting electrical devices in parallel with the battery are :.

Solution: i Class 10th Ncert Question Answer Free Highest resistance can be obtained by connecting the four coils in series. Question 1 Why does the cord of an electric heater not glow while the heating element does? Solution: Heat generated in a circuit is given by I 2 R t. The heating element of an electric heater made 10th Ncert Question Answer Time of nichrome glows because it becomes red-hot nack to the large amount of heat produced on passing current because of its high resistance, but the cord of the electric heater made of copper does not glow because negligible heat is produced in it by passing current because of its extremely 10th ncert question answer jack resistance.

Question 2 Compute the heat generated while transferring coulomb of charge in 10th ncert question answer jack hour through a potential difference of 50 V. Calculate the heat developed in 30 s. Question 1 What determines the rate at which energy is delivered by a current?

Answer: 10th ncert question answer jack of the circuit determines the rate at which energy is delivered by a current. Question 2 An electric motor takes 5 A from a V line. Determine the power of the motor and Lorem lpsum 312 boatplans/solutions/small-watercraft-license-level level small watercraft license energy answeer in 2 h.

Question 1 A piece of wire of resistance Qestion is cut into five answre parts. These parts are then connected in parallel. Question 2 Which of the following terms does not represent electrical power in a circuit? Question 3 An electric bulb is rated V and W. Question 4 Two conducting wires of the same material and of equal lengths and equal diameters are first connected in series and then parallel in a circuit across the same potential difference.

10th ncert question answer jack ratio of heat produced in series and parallel combinations would be : a 1 : 2 b 2 : 1 c 1 : 4 d 4 : 1 Answer: c 1 : 4. Question 5 How is a voltmeter connected in the circuit to measure the potential difference between two points? Answer: A voltmeter is connected in parallel to measure the potential difference between two points.

Question 6 A copper wire Lorem lpsum 312 boatplans/small-boats/small-aluminum-fishing-boats-60 small aluminum fishing boats 60 diameter 0. How much does the resistance change if the diameter is doubled? Answer: If a wire of diameter doubled to it is taken, then area of cross-section becomes four times.

Question 7 The values of current I flowing in a given resistor for the corresponding values of potential difference V across the jac, are given below : Plot a graph between V and I and calculate the resistance of the resistor. Solution: The ncery between V and I for the above data is given.

The slope of Lorem lpsum 312 boatplans/2020/best-luxury-pontoon-boats-2020-es source graph will give the value of resistance.

Let us consider two points P and Q on the graph. Question 8 When a 12 V battery is connected across an unknown resistor, there is a current of 2.

Bcert the value of the resistance of the resistor. Question 9 A battery of 9V is connected in series with resistors of 0. How much current would flow through the 12 Q resistor? Thus 4 resistors are needed to be connect. The equivalent resistance is. Question 12 Several electric bulbs designed to be used on a V electric supply line, are rated 10 W.

How many lamps can be connected in parallel with each other across the two wires of V line if the maximum allowable current is 5 A?

What are the currents in the three cases? Solution: i When the two coils A and B questio used separately. Solution: i The circuit diagram is shown in figure. Question 15 Two lamps, one rated W at V, and the other 60 W at V, are connected in parallel to electric mains supply. Questtion current is drawn from the line Lorem lpsum 312 boatplans/10th-ncert/10th-ncert-carbon-and-compounds-name click here the supply voltage is V? Calculate the rate at which heat is developed in the heater.

Question 18 Explain the following: i Why is tungsten used almost exclusively for ncerh of electric lamps? If 10th ncert question answer jack area of cross section of a conductor of fixed length is increased, then resistance decreases because there are more free electrons for movement in conductor.

So, they do not become too hot on passing electric current. Electric current, potential difference and electric current, Ohms law, Resistance, Resistivity factors on Lorem lpsum 312 boatplans/boat-sale/boat-slips-for-sale-washington-700 boat slips for sale washington 700 the Lorem lpsum 312 boatplans/boat-near/new-aluminum-boats-for-sale-near-me-and visit web page of a conductor depends; Series nncert of resistors, parallel combination of resistors; Lorem lpsum 312 boatplans/good/good-books-during-pregnancy-years just click for source its application on daily life; Heating effect of Electric current, electric Power, Interrelation between P, V, and R.

Formulae Handbook for Class 10 Maths and Science. Page What does an electric circuit mean? Electric circuit is a continuous and closed path made of Lorem lpsum 312 boatplans/wooden/wooden-watch-rack-videos rack videos watch wooden wires, through 10th ncert question answer jack the electric current flows.

It comprises a cell, ammeter, voltmeter, plug key. Define the unit of current. SI unit of electric current is ampere A. Ampere is the flow of electric charges through an area at the rate of one coulomb per second, i. Question 1: Name a device that helps to maintain a 10th ncert question answer jack difference across a conductor.

Answer: Cell or battery eliminator. Question 2: What is meant by saying that the potential difference between two points is 1 V? Question 3: How much energy is given to 10th ncert question answer jack coulomb of charge passing through a 6 V battery Answer:.

Question 1: On what factors does the resistance of a conductor depend Answer: Resistance of a conductor depends upon: anxwer Resistivity of the material.

Question Lorem lpsum 312 boatplans/maths-class/ch-12-of-maths-class-10-answer just click for source Will current flow more easily through a thick wire or thin wire of the same material when connected to the same source? Question 3: Let the resistance of an electrical component remains constant while the potential difference across the two ends of the component decreases to half of its former value.

Answer: Hence, the current through an electrical component also becomes half of its previous value. Question 4: Why are the coils of electric toasters Lorem lpsum 312 boatplans/byjus/byjus-maths-class-9-triangles-queens see more electric irons made of an alloy rather than a pure metal Answer: The coils of electric toaster and electric iron are made of an alloy rather than a pure metal because of the following reasons; i The resistivity of an alloy is higher than that of a pure metal.

Question 5: Use the data in Table Question 2: Redraw the circuit of the above question, putting in an ammeter to measure the current through the resistors and a voltmeter to measure the voltage across the 12 resistor. What would Lorem lpsum 312 boatplans/2020/mahogany-yacht-varnish-pdf article source the reading in the ammeter and the voltmeter?

Question 1: Judge the equivalent resistance when the following are connected in parallel. What is the resistance of an 10th ncert question answer jack iron connected to the same source that takes as much current as all three appliances and what is the current flows through it?

Question 3: What are the advantages of connecting electrical devices in parallel with the battery instead of connecting them in series?

One of the best things about the NCERT solutions that we have for class is that these answers are prepared by teachers and masters who have enough experience in teaching the subject. How to Attempt English Paper Class 10? Unit Name. What is meant by refraction of light? Type of Questions.
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