 Class 10 Science Chapter 11 MCQ (Multiple Choice Questions) of Electricity. These questions are not only helpful in revision of chapter but in understanding the concepts also. MCQ includes questions based on intext book questions and exercises main points questions. Practice with these questions to score better in school tests and in MCQ based competition also. These MCQs ensure scoring good marks in all the exams.

## Class 10 Science Chapter 11 MCQ Online Test

 Class: 10 Science Chapter: 11 Electricity Contents: MCQ Online Tests with Answers and Explanation Session: CBSE 2023-24

### Class 10 Science Chapter 11 MCQ with Answers for 2023-24

Class 10 Science Chapter 11 MCQ Online Test with solutions and answers. There are more than 70 questions in the form of MCQs covering the entire chapter 11 of Class 10 Science. Most of the questions are confined to Latest NCERT Books for class 10 Science issued for session 2023-24.

Q1

#### Consider the following statements and choose the correct one:

[A]. Opposite charges attract each other.
[B]. Similar charges repel each other.
[C]. The SI unit of electric charge is coulomb.
[D]. All the above
Q2

#### Unit of electric power may also be expressed as

[A]. Volt ampere
[B]. Kilowatt hour
[C]. Watt second
[D]. Joule second
Q3

#### Which of the following statement is or are incorrect?

[A]. All the matter contains positively charged particles called protons.
[B]. All the metal contains negatively charged particles called electrons
[C]. It is obvious that the unit of electric charge, called column, is much bigger than the charge of a proton or an electron.
[D]. The SI unit of electric charge coulomb is equivalent to the charge contained in 6.35 x 10 to the power 18
Q4

#### Two resistors of resistance 2Ω and 4Ω when connected to a battery will have

[A]. Same current flowing through them when connected in parallel
[B]. Same current flowing through them when connected in series
[C]. Same potential difference across them when connected in series
[D]. Different potential difference across them when connected in Parallel
Q5

#### Renuka is completed her science chapter where she wrote some statements. She wants to know whether the statements are correct or not? Renuka wants to take help from you:

[A]. Those substances through which electricity can flow are called conductors.
[B]. Those substances through which electricity cannot flow are called insulators.
[C]. The presence of free electrons in a substance make it a conductor of electricity.
[D]. In static electricity the electric charges flows to one end to another end.
Q6

#### In an electrical circuit three incandescent bulbs A, B and C of rating 40 W, 60 W and 100 W respectively are connected in parallel to an electric source. Which of the following is likely to happen regarding their brightness?

[A]. Brightness of all the bulbs will be the same
[B]. Brightness of bulb A will be the maximum
[C]. Brightness of bulb B will be more than that of A
[D]. Brightness of bulb C will be less than that of B
Q7

#### In a quiz competition, you are asked a question where you have to choose the statement which is/ are incorrect?

[A]. It is the potential difference between the ends of the wire which makes the electric charge to flow in the wire.
[B]. The electric current is a flow of electric charges, called electrons, in a conductor such as a metal wire.
[C]. When one coulomb of charge flows through any cross-section of a conductor in 1 second, the electric current flowing through it is said to be one ampere.
[D]. Current is measured by an instrument called voltameter.
Q8

#### Ankush appeared in class test but he confused to know the incorrect statement. Would you help him to know that?

[A]. A single dry cell has a potential difference of 1.5 volts between its two terminals.
[B]. The actual flow of electrons which constitutes the current from negative terminal to positive terminal of a cell.
[C]. The conventional direction of electric current is from positive terminal of a cell or a battery to the negative terminal, through the outer circuit.
[D]. None of the above.
Q9

#### Which of the following statement is or are correct?

[A]. Circuit is a continuous conducting path consisting of wires and switch between two terminals of a cell along which an electric current flow.
[B]. The electric current is a flow of electrons in a metal wire or conductor when a battery is applied across its ends.
[C]. The simplest way to maintain a potential difference between the two ends of a conductor is to connect the conductor between the terminals of a cell or battery.
[D]. All the above
Q10

[A]. A/2
[B]. 3A/2
[C]. 2A
[D]. 3A
Q11

#### In a science quiz competition, Neha are asked a question where she had to choose the statement which was/were correct?

[A]. The property of a conductor due to which it opposes the flow of current through it is called resistance.
[B]. The resistance of a conductor depends on length, thickness, nature of material and temperature of the conductor.
[C]. 1 ohm is the resistance of a conductor such that when a potential difference of 1 volt is applied to its ends, a current of 1 ampere flows through it.
[D]. All the above.
Q12

[A]. 1/5 Ω
[B]. 1/25 Ω
[C]. 1/10 Ω
[D]. 25 Ω
Q13

#### Priya is writing some statements, choose the incorrect statement and help him:

[A]. Those substance which have very low electrical resistance are called good conductors.
[B]. Those substances which have comparatively high electrical resistance, are called resistors.
[C]. Those substances which have infinitely high electrical resistance are called insulators.
[D]. The heating element of electric iron is made of nichrome wire which is an insulator.
Q14

#### Pooja is writing some statements but she confused to know whether the statements are correct or not? If you know the answer to this question, then tell her:

[A]. When the area of cross section of a wire is doubled its resistance gets halved.
[B]. A long wire or long conductor has more resistance.
[C]. When the length of a wire is halved, then its resistance also gets halved.
[D]. When the potential difference is halved the current gets doubled.
Q15

#### Consider the following statements and choose the incorrect one:

[A]. The resistance of all pure metals increases on raising the temperature; and decreasing on lowering the temperature.
[B]. A thick wire has more resistance; and a thin wire has less resistance.
[C]. Short length of a thick wire is used for getting low resistance; and long length of a thin wire is used for getting high resistance.
[D]. The resistance of a wire is inversely proportional to the square of its diameter.
Q16

#### Read the following sentences carefully, and choose the incorrect one:

[A]. Alloy of nickel, chromium, manganese and iron having a resistivity of about 60 times more than that of copper.
[B]. The heating elements of electrical heating appliances such as electric iron and toaster are made of an alloy rather than a pure metal.
[C]. Nichrome undergoes oxidation very easily at a high temperature.
[D]. Nichrome alloy is used for making the heating elements of electrical appliances.
Q17

#### Consider the following statements and choose the correct one:

[A]. The combined resistance of any number of resistance connected in series is equal to the sum of the individual resistances.
[B]. When two or more resistances are connected between the same two points, they are said to be connected in parallel.
[C]. When two or more resistances are connected end to end consecutively, they are said to be connected in series.
[D]. All the above.
Q18

#### In a quiz competition, you are asked a question where you have to choose the statement which is/ are incorrect?

[A]. In series circuit, the appliances get the same voltage as that of the power supply line.
[B]. In series circuit, all the electrical appliances have only one switch due to which they cannot be turned on or off separately.
[C]. In series circuit, if one electrical appliance stops working due to some defect, then all other appliances also stop working.
[D]. In the series connection of electrical appliances, the overall resistance of the circuit increases too much due to which the current from the power supply is low.
Q19

#### Recently, in a science class test, you are asked a question where you have to say whether the statements are correct or not?

[A]. Electric power is the electrical energy consumed per second.
[B]. When an electrical appliance consumes electrical energy at the rate of 1 joule per seconds, its power is said to be 1 watt.
[C]. The rate at which electrical work is done or the rate at which electrical energy is consumed, is called electric power.
[D]. Electric power = Potential difference / Current
Q20

#### The commercial unit of energy is:

[A]. Watt
[B]. Watt-hour
[C]. Kilowatt-hour
[D]. Kilo-joule
Q21

[A]. 100 J
[B]. 600 J
[C]. 3600 J
[D]. 6000 J
Q22

#### Read the following sentences carefully, and choose the incorrect one:

[A]. Heating effect of current refers that when an electric current is passed through a high resistance wire (like nichrome) the resistance of wire become very hot and produces heat.
[B]. All the appliances which run on electricity do not convert all the electrical energy into heat energy.
[C]. A power rating of 100 W on the bulb means that it will consume electrical energy at the rate of 1000 joules per second.
[D]. None of the above.
Q23

[A]. 30 J/s
[B]. 12 J/s
[C]. 0.83 J/s
[D]. 3 J/s
Q24

[A]. 1/25
[B]. 1/5
[C]. 5
[D]. 25
Q25

#### One coulomb charge is equivalent to the charge contained in:

[A]. 2.6 × 10 to the power 19 electrons
[B]. 6.2 × 10 to the power 19 electrons
[C]. 2.65 × 10 to the power 18 electrons
[D]. 6.25 × 10 to the power 18 electrons
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Last Edited: April 27, 2023