Electricity MCQs – NCERT Science Class X Ch.11 | Academia Aeternum
NCERT  //  Science  //  Ch.11

Electricity
MCQ_MASTER_SERIES

Ohm's Law · Resistance · Series & Parallel · Heating Effect · Power

[ 50 QST ]
[ 35 min ]
[ 3 TIERS ]
[ 5 TOPICS ]
⚡ INIT_QUIZ // ANALYTICS
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Question Intelligence

Quiz Analytics

A data-driven breakdown of all 50 questions by difficulty, exam origin and topic distribution.

📈 Distribution Overview

50
Total Questions
CBSE Board
24
State Board
16
Olympiad Level
10

🗂 Topic Coverage

Electric Charge & Current
16%
Ohm's Law & Resistance
24%
Series & Parallel Circuits
24%
Heating Effect & Power
20%
Electric Fuse & Safety
16%
24
CBSE Board
16
State Board
10
Olympiad Level
Conceptual Framework

Key Concept Highlights

6 foundational pillars that power every question in this quiz. Understand these, and the answers follow naturally.

⚡
Electric Current
I = Q/t. Conventional current flows from + to −. SI unit: ampere. Measured by ammeter (series connection).
🔋
Potential Difference
V = W/Q. Work done per unit charge. SI unit: volt. Measured by voltmeter (parallel connection). EMF = terminal voltage + internal voltage drop.
📐
Ohm's Law
V = IR at constant temperature. Resistance R = ρL/A. Resistivity ρ depends on material and temperature, not on dimensions.
🔌
Series & Parallel
Series: Rₛ = R₁+R₂+…, same current, different voltages. Parallel: 1/Rₚ = 1/R₁+1/R₂+…, same voltage, different currents.
🌡️
Heating Effect
H = I²Rt (Joule's law). Applications: electric bulb (tungsten filament), electric iron, toaster. Power P = VI = I²R = V²/R.
🛡️
Electric Safety
Fuse: thin wire with low melting point (tin+lead) that melts on overcurrent. MCB: modern safety switch. Earth wire: safety for metal bodies.
Pedagogical Value

Why MCQs Matter

Multiple-choice questions are not mere guessing games — they are the sharpest diagnostic tool available to a competitive exam aspirant.

~14%

of CBSE Science — most numerical-dense chapter in Class X

Quick Reference

Important Formula Capsules

7 must-memorise equations that surface repeatedly across CBSE and JEE papers.

Ohm's Law
\[ V = IR \]
Resistance
\[ R = \dfrac{\rho L}{A} \]
Series Resistance
\[ R_s = R_1 + R_2 + R_3 + \ldots \]
Parallel Resistance
\[ \dfrac{1}{R_p} = \dfrac{1}{R_1} + \dfrac{1}{R_2} + \ldots \]
Joule's Heating
\[ H = I^2 R t = VIt \]
Electric Power
\[ P = VI = I^2 R = \dfrac{V^2}{R} \]
Energy Consumed
\[ E = Pt \quad \text{(1 kWh = 3.6} \times 10^6 \text{ J)} \]
Learning Outcomes

What You Will Learn

By completing this quiz set you will have exercised all the following competencies.

01 Apply Ohm's law to find voltage, current, or resistance given the other two
02 Calculate equivalent resistance for series and parallel combinations
03 Analyse mixed (series-parallel) circuits systematically
04 Apply Joule's law to calculate heat generated in resistors
05 Calculate electric power and energy consumption in domestic circuits
06 Explain the function of a fuse and the principle of earthing
Exam Preparation

Strategy & Preparation Tips

5 evidence-based strategies to maximise your score in CBSE Boards and JEE.

Step 01
Three Formulae, One Card
V=IR, H=I²Rt, P=VI. These generate every numerical. Derive each from first principles at least once to prevent confusion.
Step 02
Series vs Parallel — One Rule Each
Series: current is SAME everywhere. Parallel: voltage is SAME across each branch. This single insight solves 80% of circuit problems.
Step 03
Mixed Circuit Strategy
In mixed circuits, reduce parallel sections first, then solve series. Draw the step-by-step simplified circuit to avoid errors.
Step 04
Unit Conversion for Energy
1 unit = 1 kWh = 1000 W × 3600 s = 3.6 × 10⁶ J. Bill calculation MCQs always involve kWh ↔ joules ↔ cost conversion.
Step 05
50 Questions in 35 Min
Electricity is formula-dense. Practise mental substitution — avoid writing full working for straight-substitution MCQs.

Ready to Test Your Mastery?

50 questions  ·  Elapsed timer  ·  Instant scored results

⚡ Begin Electricity Quiz
🎯 Knowledge Check

Physics — Electricity

50 Questions Class 10 MCQs
1
The SI unit of electric current is:
2
The rate of flow of electric charge is called:
3
Potential difference between two points is:
4
Ohm’s law is represented by:
5
The SI unit of resistance is:
6
Which device measures electric current?
7
A voltmeter is connected in:
8
The commercial unit of electrical energy is:
9
Resistivity depends on:
10
The filament of an electric bulb is made of:
11
The heating effect of current is governed by:
12
Which connection ensures equal voltage across components?
13
When length of a wire is doubled, resistance becomes:
14
Resistance decreases when:
15
A fuse wire is made of:
16
Power consumed by a device is:
17
In parallel circuits, total resistance is:
18
Unit of charge is:
19
Electric current in metals is due to movement of:
20
The device used to vary current in a circuit is:
21
The relation between energy and power is:
22
If current is doubled, heat produced becomes:
23
Pure water is:
24
The resistance of a conductor depends on:
25
Which is a good conductor?
26
Drift velocity refers to:
27
EMF of a cell refers to:
28
Household mains supply in India is:
29
Frequency of AC supply in India is:
30
A short circuit occurs when:
31
Overloading occurs when:
32
Which quantity is scalar?
33
If V = 10 V and R = 5 O, current is:
34
Heat generated in a resistor depends on:
35
Resistivity decreases for:
36
A high resistance wire is:
37
Fuse protects appliances from:
38
A series circuit has:
39
A parallel circuit has:
40
Power rating on devices indicates:
41
SI unit of power is:
42
The formula for electrical energy is:
43
Which of the following decreases resistance?
44
A device that opens or closes a circuit is:
45
Electric power can also be written as:
46
A material with extremely low resistivity is:
47
Which circuit is used in homes?
48
Joule’s law states heat depends on:
49
A device that prevents electric shock is:
50
A household meter measures:
📚
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Test Yourself: 50 Electricity MCQs Class 10 (With Answers)
Test Yourself: 50 Electricity MCQs Class 10 (With Answers) — Complete Notes & Solutions · academia-aeternum.com
Multiple Choice Questions (MCQs) are an effective way to strengthen understanding, reinforce concepts, and prepare thoroughly for exams. This MCQ set for NCERT Class X Science Chapter 11 “Electricity” covers all essential topics including electric current, potential difference, Ohm’s Law, resistance, resistivity, electric power, heating effects, circuit diagrams, and safety measures. Each question is designed with conceptual clarity in mind and includes application-based, reasoning-based, and…
🎓 Class 10 📐 Science 📖 NCERT ✅ Free Access 🏆 CBSE · JEE
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Exam tip: Sharing chapter notes with your study group creates a reinforcement loop. Teaching a concept is the fastest path to mastering it.

Frequently Asked Questions

Electricity is the flow of electric charge (usually electrons) through a conductor due to a potential difference.

Electric current is the rate of flow of charge through a conductor.

Ampere (A).

A current of 1 A flows when 1 coulomb of charge passes through a conductor in 1 second.

\(( I = \frac{Q}{t} \) where \(I\) = current, \(Q\) = charge, \(t\) = time.

It is the work done to move a unit charge between two points in an electric circuit.

Volt (V).

\( V = \frac{W}{Q} \)

A device used to measure potential difference in a circuit.

Always in parallel with the component.

A device used to measure current in a circuit.

Always in series with the component.

Resistance is the opposition offered by a conductor to the flow of electric current.

Ohm (O).

At constant temperature, the current through a conductor is directly proportional to the potential difference across it: ( V \propto I ).

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    ACADEMIA AETERNUM तमसो मा ज्योतिर्गमय · Est. 2025
    Sharing this chapter
    Test Yourself: 50 Electricity MCQs Class 10 (With Answers)
    Test Yourself: 50 Electricity MCQs Class 10 (With Answers) — Complete Notes & Solutions · academia-aeternum.com
    Multiple Choice Questions (MCQs) are an effective way to strengthen understanding, reinforce concepts, and prepare thoroughly for exams. This MCQ set for NCERT Class X Science Chapter 11 “Electricity” covers all essential topics including electric current, potential difference, Ohm’s Law, resistance, resistivity, electric power, heating effects, circuit diagrams, and safety measures. Each question is designed with conceptual clarity in mind and includes application-based, reasoning-based, and…
    🎓 Class 10 📐 Science 📖 NCERT ✅ Free Access 🏆 CBSE · JEE
    Share on
    WhatsApp
    Telegram
    X / Twitter
    Facebook
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    Threads
    Pinterest
    LinkedIn
    Quora
    Discord
    Reddit
    Email
    academia-aeternum.com/class-10/science/electricity/mcqs/ Copy link
    💡
    Exam tip: Sharing chapter notes with your study group creates a reinforcement loop. Teaching a concept is the fastest path to mastering it.

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