Class 10th Science Chapter – 11 Electricity MCQ With Answers

September 18, 2023

Class 10th Science Chapter – 11 Electricity MCQ With Answers

Textbook	NCERT
Class	10^th
Subject	Science
Chapter	11^th
Chapter Name	Electricity
Category	Class 10th Science
Medium	English
Source	Last Doubt

Class 10th Science Chapter – 11 Electricity MCQ With Answers In This Chapter we will learn about What is current formula, What is electric power formula, What is 1 watt, How to calculate voltage, How is energy calculated, Why is electricity important, What is a 1 volt, What is in a joule, What is watt and volt, What is work class 10, What is the total energy, What is watt per hour, What is 1 amp, What is the symbol for current, What is 1 coulomb, Why is energy constant, What is a useful energy, Why is total energy zero, What is final energy, What is lost energy called, What is called by energy, Who first defined energy, Why is energy called power, What is light energy and more such things for more knowledge about this Chapters read their.

Class 10th Science Chapter – 11 Electricity MCQ With Answers

Chapter – 11

Electricity

MCQ

(1) Electric power is inversely proportional to ?

A. Resistance.
B. Voltage.
C. Current.
D. Temperature.

Answer – (A) Resistance.

(2) Electrical resistivity of any given metallic wire depends upon ?

A. Its thickness.
B. Its shape.
C. Nature of the material.
D. Its length.

Answer – (C) Nature of the material.

(3) The electrical resistance of insulators is ?

A. High.
B. Low.
C. Zero.
D. Infinitely High.

Answer – (D) Infinitely High.

(4) The heating element of an electric iron is made up of ?

A. Copper.
B. Nichrome.
C. Aluminium.
D. Iron.

Answer – (B) Nichrome.

(5) When electric current is passed, electrons move from ?

A. High potential to low potential.
B. Low potential to high potential.
C. In the direction of the current.
D. Against the direction of the current.

Answer – (B) Low potential to high potential.

(6) 1 kWh = ……….. J ?

A. 3.6 × 10^-6 J.
B. 1/3.6 × 10⁶ J.
C. 3.6 × 10⁶ J.
D. 1/3.6 × 10^-6 J.

Answer – (C) 3.6 × 10⁶ J.

(7) The resistivity of insulators is of the order of ?

A. 10^-8 Ω^-m
B. 10¹ Ω^-m
C. 10^-6 Ω^-m
D. 10⁶ Ω^-m

Answer – (A) 10^-8 Ω^-m

(8) An electric bulb is connected to a 220V generator. The current is 0.50 A. What is the power of the bulb ?

A. 440 W.
B. 110 W.
C. 55 W.
D. 0.0023 W.

Answer – (B) 110 W.

(9) Three resistors of 1 Ω, 2 ft and 3 Ω are connected in parallel. The combined resistance of the three resistors should be ?

A. greater than 3 Ω.
B. less than 1 Ω.
C. equal to 2 Ω.
D. between 1 Ω and 3 Ω.

Answer – (B) less than 1 Ω.

(10) What is the commercial unit of electrical energy ?

A. Joules.
B. Kilojoules.
C. Kilowatt-hour.
D. Watt-hour.

Answer – (C) Kilowatt-hour.

(11) Coulomb is the SI unit of ?

A. Charge.
B. Current.
C. Potential difference.
D. Resistance.

Answer – (A) Charge.

(12) 1 mV is equal to ?

A. 10 volt.
B. 1000 volt.
C. 10^-3 volt.
D. 10^-6 volt.

Answer – (C) 10-3 volt.

(13) Electric potential is a ?

A. Scalar quantity.
B. Vector quantity.
C. Neither scalar nor vector.
D. Sometimes scalar and sometimes vector.

Answer – (A) Scalar quantity.

(14) 100 J of heat is produced each second in a 4Ω resistor. The potential difference across the resistor will be ?

A. 30 V.
B. 10 V.
C. 20 V.
D. 25 V.

Answer – (B) 10 V.

(15) Which of the following gases are filled in electric bulbs ?

A. Helium and Neon.
B. Neon and Argon.
C. Argon and Hydrogen.
D. Argon and Nitrogen.

Answer – (D) Argon and Nitrogen.

NCERT Solution Class 10th Science All Chapters MCQ

Chapter 1 – Chemical Reactions and Equations

Chapter 2 – Acids, Bases, and Salts

Chapter 3 – Metals and Non-Metals

Chapter 4 – Carbon and Its Compounds

Chapter 5 – Life Processes

Chapter 6 – Control and Coordination

Chapter 7 – How Do Organisms Reproduce

Chapter 8 – Heredity

Chapter 9 – Light reflection and refraction

Chapter 10 – Human eye and colorful world

Chapter 11 – Electricity