NCERT · Class 7 · Science · Electric Current and its EffectsWhich effect of electric current is responsible for the working of an electric bell?
Step-by-Step Solution
An electric bell contains an electromagnet. When electric current passes through the coil, it acts like a magnet and attracts the iron strip, producing sound, which is the magnetic effect of current.
Detailed Options Breakdown
Option : Heating effect
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Electric Current and its Effects.
Option 1: Chemical effect
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Electric Current and its Effects.
Option 2: Magnetic effect (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 3: Lighting effect
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Electric Current and its Effects.
💡 Study Guide: This question tests core syllabus concepts from Electric Current and its Effects. For formulas, key summaries, and mock exam reference guides, read the full Electric Current and its Effects Revision Notes.