Cardiac Classes Class8

Welcome to Day 15 of Class 8 Science with Cardiac Classes!
Today we bring you an important Assertion–Reason question from Chapter Electricity – Magnetic and Heating Effects.
Revise important concepts related to:
Heating Effect of Electric Current
Magnetic Effect of Electric Current
Electric Fuse
Electric Bell
Electrical Safety
Practise regularly and strengthen your Science concepts for examinations.
Comment your answer and test your knowledge!
Cardiac Classes – Educating hearts, shaping futures.
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Assertion (A): An electric fuse works on the heating effect of electric current.
Reason (R): An electric fuse is made of a material having a very high melting point.

2 days ago | [YT] | 1

Cardiac Classes Class8

Welcome to Cardiac Class! ❤️
Today's Assertion–Reason question is based on Electric Bell – Structure and Working from Class 8 Science.
📚 Topics covered:
Principle of Electric Bell
Electromagnet
Iron Armature
Hammer and Gong
Working of Electric Bell
Understand the magnetic effect of electric current and strengthen your science concepts.
Subscribe to Cardiac Class for daily Science questions and explanations!

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Assertion (A): An electric bell works on the magnetic effect of electric current.
Reason (R): When electric current passes through the coil, it behaves like an electromagnet and attracts the iron armature.

3 days ago | [YT] | 1

Cardiac Classes Class8

🪔✨ HAPPY DIWALI TO MY CARDIAC CLASS FAMILY! ❤️

May this festival of lights fill your life with happiness, good health, positivity and endless success.

Just as every diya spreads light, may knowledge brighten your future and guide you towards your dreams. 📚✨

Thank you for being a part of the Cardiac Class family. Your love, support and encouragement inspire us to keep sharing knowledge and growing together.

Let's celebrate this Diwali with happiness, gratitude and new hopes! 🎆

❤️ Stay Happy, Stay Healthy and Keep Studying!

With lots of love and best wishes,
TEAM CARDIAC CLASS

🪔 Wishing you and your family a very Happy and Prosperous Diwali! 🪔

#HappyDiwali #CardiacClass #DiwaliWishes #YouTubeFamily #FestivalOfLights #SpreadKnowledge #EducationMatters #StayHealthy #KeepStudying #NEETPreparation #CBSE #StudyMotivation

5 days ago | [YT] | 5

Cardiac Classes Class8

Class 8 Science Assertion & Reason | Diffusion in Matter | CBSE

Welcome to Cardiac Classes!
Today's Assertion–Reason question is based on Matter in Our Surroundings – Diffusion in Matter.
In this video, learn:
Meaning of diffusion.
Diffusion in solids, liquids and gases.
Why diffusion is faster in gases.
Important concepts for CBSE examinations.
Practice daily Assertion–Reason questions to strengthen your Science concepts and improve exam preparation.
#Class8Science #AssertionReason #MatterInOurSurroundings #Diffusion #ParticlesOfMatter #CBSEClass8 #NCERTScience #ScienceQuiz #Class8ScienceQuestions #AssertionReasonQuestions #ScienceShorts #CBSEPreparation #ScienceLearning #ChemistryBasics #Class8Revision #CardiacClasses #LearnScience #ExamPreparation #SchoolScience #DailyScienceQuiz


Assertion (A): Diffusion takes place faster in gases than in liquids.
Reason (R): Particles of gases have less kinetic energy than particles of liquids.

6 days ago | [YT] | 2

Cardiac Classes Class8

Welcome to Cardiac Classes!
Today's Assertion–Reason question is based on the Magnetic Effect of Electric Current from Class 8 Science.
📚 Topics covered:
Magnetic effect of electric current
Magnetic field around a conductor
Compass needle deflection
Electric fuse
Important CBSE Assertion–Reason practice
Learn Science concepts with daily practice and prepare confidently for your examinations.
#CardiacClasses #Class8Science #Class8 #CBSE2026 #AssertionReason #AssertionAndReason #Electricity #MagneticEffectOfElectricCurrent #MagneticField #ElectricCurrent #ElectricFuse #HeatingEffectOfElectricCurrent #ElectricCircuit #ScienceQuiz #CBSEClass8 #NCERTScience #ScienceImportantQuestions #Class8Revision #SchoolExamPreparation #DailyScienceQuiz #ScienceLearning #PhysicsBasics #CBSEPreparation #LearnWithCardiacClasses #EducatingHeartsShapingFutures

Assertion (A): An electric current flowing through a wire produces a magnetic effect around it.
Reason (R): A current-carrying conductor can deflect a nearby magnetic compass needle.

1 week ago | [YT] | 1

Cardiac Classes Class8

Class 8 Science Assertion & Reason Day 11 | Electric Fuse and Electrical Safety | CBSE 2027
Welcome to Cardiac Classes!
Today's Assertion–Reason question is based on Electricity – Magnetic and Heating Effects.
In this session, learn about:
Electric fuse and its function
Series connection of a fuse
Heating effect of electric current
Electrical safety
Important CBSE examination concepts
Practise one question daily and strengthen your Science concepts!
#Class8Science #CBSE2027 #AssertionReason #Electricity #MagneticAndHeatingEffects #ElectricFuse #ElectricalSafety #HeatingEffectOfElectricCurrent #ElectricCurrent #ElectricCircuit #ConductorsAndInsulators #ScienceQuiz #CBSEClass8 #NCERTScience #Class8Physics #ScienceQuestions #SchoolExamPreparation #DailySciencePractice #ScienceLearning #CardiacClasses #EducatingHeartsShapingFutures

Assertion (A): An electric fuse is connected in parallel with an electrical appliance.
Reason (R): An electric fuse protects electrical circuits by melting when excessive current flows through it.

1 week ago | [YT] | 1

Cardiac Classes Class8

⚡ Class 8 Science | Assertion & Reason |

Welcome to Cardiac Classes!

Today's Assertion–Reason question is based on the Magnetic Effect of Electric Current from the chapter Electricity – Magnetic and Heating Effects.

📚 Topics Covered:

- Magnetic Effect of Electric Current
- Magnetic Field Around a Current-Carrying Wire
- Compass Needle Deflection
- Relationship Between Electricity and Magnetism

🎯 Practise daily Assertion–Reason questions and strengthen your CBSE Science concepts.

Learn Smart | Practise Daily | Score Better!

❤️ Cardiac Classes – Educating hearts, shaping futures.

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Assertion (A): A current-carrying wire behaves like a magnet.
Reason (R): Electric current flowing through a wire produces a magnetic field around it.

1 week ago | [YT] | 3

Cardiac Classes Class8

Assertion (A): A fuse wire is connected in parallel with an electrical appliance.
Reason (R): A fuse protects an electrical circuit from excessive current.

1 week ago | [YT] | 2

Cardiac Classes Class8

Welcome to Cardiac Classes! ❤️

Today's Assertion–Reason Question is from Class 8 Science.

📚 Chapter: Electricity – Magnetic and Heating Effects

📖 Day 7 Topic: Electric Heating Appliances

🎯 Today's Challenge:
Test your understanding of the heating effect of electric current and the properties of nichrome wire.

Explanation: Nichrome has high electrical resistance and a high melting point. Therefore, it is commonly used as a heating element in electric appliances.

Practice daily with Cardiac Classes to improve your scientific understanding and prepare for school examinations.

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Cardiac Classes – Educating hearts, shaping futures!
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Assertion (A): Nichrome wire is commonly used as a heating element in electric heaters.
Reason (R): Nichrome has high electrical resistance and a high melting point.

1 week ago | [YT] | 4

Cardiac Classes Class8

Welcome to Cardiac Classes!
Today's Assertion–Reason question is based on Class 8 Science, Chapter Electricity – Magnetic and Heating Effects (Day 7: Electric Heating Appliances).
📚 Topics Covered:
Electric heating appliances
Heating effect of electric current
Working of electric heaters
Heating elements
Conversion of electrical energy into heat energy
Prepare for school examinations with important Assertion–Reason questions and concept-based science learning.
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Assertion (A): An electric heater uses the magnetic effect of electric current to produce heat.
Reason (R): When electric current passes through a high-resistance heating element, electrical energy is converted into heat energy.

1 week ago | [YT] | 4