Read and download the Class 7 Electric Current and Its effects Important Questions VBQs. Designed for 2026-27, this advanced study material provides Class 7 Science students with detailed revision notes, sure-shot questions, and detailed answers. Prepared by expert teachers and they follow the latest CBSE, NCERT, and KVS guidelines to ensure you get best scores.
Download Class 7 Science Chapter 14 Electric Current and Its Effects Advanced Notes
To achieve a high score in Science, students must go beyond standard textbooks. This Class 7 Chapter 14 Electric Current and Its Effects study material includes conceptual summaries and solved practice questions to improve your understanding.
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Activity 1
Aim: To observe the heating effect of current
Materials required: Battery eliminator, wires, heating element
Theory: When electric current flows through a wire, the wire becomes hot. This is called heating effect of current.
Diagram:
Procedure: 1. Connect the heating element with the battery eliminator using wires as shown in the circuit diagram.
2. Let the current flow through the wire and observe.
Observation:
Conclusion:
ELECTRIC CURRENT AND ITS EFFECTS
Activity 2
Aim: To observe the magnetic effect of current Materials required: Battery eliminator, wires, a solenoid, magnetic compass, alpins
Theory: When electric current flows through a wire, the wire behaves like a magnet. This is called magnetic effect of current.
Diagram:
Procedure: 1. Connect the solenoid with the battery eliminator using wires as shown in the circuit diagram.
2. Let the current flow through the wire .
3. Bring a magnetic compass near it and observe.
4. Keep some alpins near the solenoid / wire and observe.
Observation:
Conclusion:
CONSTRUCTION AND WORKING OF ELECTRIC BELL
Construction: - An electric bell consists of a coil of wire wound on an iron piece. This coil acts as an _____________________. An iron strip with a hammer at one end is kept close to the electromagnet.
There is a contact screw near the iron strip. A gong is placed near the hammer. The circuit is made as shown in the diagram.
Working: - When the _________________ is completed, current flows through the coils of the ______________________. It attracts the ____________________ that is attached to the hammer. The hammer moves with it and hits the __________, but the circuit is now _______________ at the point X of the contact screw. The electromagnet loses its ___________________ and no longer attracts the iron strip (soft iron armature). The ____________________ moves back to its original position and makes contact at X, thus completing the _________________ again. This cycle is then repeated as long as the switch is on.
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Useful Resources & Notes for Class 7 Science Chapter 14 Electric Current and Its Effects
Comprehensive Study Resources for Chapter 14 Electric Current and Its Effects
Locate all essential study assets for Chapter 14 Electric Current and Its Effects in one central location. Built specifically to match the modern 2026 syllabus for Class 7 Science, this set supplies detailed explanatory notes, helpful Mind Maps, and predicted Sure Shot Questions for CBSE exams. Consistent daily application of these materials makes studying more efficient.
Expert-Crafted Notes & Previous Questions
Crafted with reference to the authoritative NCERT book for Class 7 Science, these teaching tools ensure precise curriculum matching. Real board questions and structured solutions are provided to illustrate standard marking schemes. Pair your study of the chapter notes with hands-on practice problems, checking your results against our dedicated NCERT solutions for Class 7 Science.
All-Inclusive Exam Preparation for Science
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FAQs
Our advanced study package for Chapter 14 Electric Current and Its Effects includes detailed concepts, diagrams, Mind Maps, and explanation of complex topics to ensure Class 7 students learn as per syllabus for 2026 exams.
The Mind Maps provided for Chapter 14 Electric Current and Its Effects act as visual anchors which will help faster recall during high-pressure exams.
Yes, teachers use our Class 7 Science resources for lesson planning as they are in simple language and have lot of solved examples.
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Yes, our subject matter experts have updated the Chapter 14 Electric Current and Its Effects material to align with the rationalized NCERT textbooks and have removed deleted topics and added new competency-based questions.