NCERT · Class 7 · Science · Electric Current and its EffectsThe safety device used in electrical appliances to prevent damage due to excessive current is called:
Step-by-Step Solution
An electric fuse is a safety device containing a wire made of a special material that melts quickly and breaks when large electric currents pass through it, thus preventing damage.
Detailed Options Breakdown
Option : Switch
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Electric Current and its Effects.
Option 1: Battery
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Electric Current and its Effects.
Option 2: Fuse (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 3: Element
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.