electricity-magnetism-l2 MCQ — 10 Practice Questions with Answers

Explanation

Safety is a concept, not a side note. NCERT explicitly says not to perform experiments with home or school power supply; Devika's activity should use only cells or batteries under teacher supervision.

Explanation

This item checks a concrete torch observation. Meena should identify the terminal relation: the positive end of one cell connects to the negative end of the next, making a battery that can energise the circuit.

Explanation

The correction should stay within magnetism. A freely suspended magnet rests north-south, and the compass needle is such a magnet; the printed dial only helps the user read that direction.

Explanation

The best activity follows the note narrative. Asha, Imran and Joseph handle safe cells and magnets, make predictions, observe outcomes and explain gaps, conductors, insulators and magnetic attraction in child-readable language.

Explanation

NCERT defines the electrical circuit as a complete path for current. Imran's loose wire breaks that path, just like the open position of a switch, so the lamp cannot receive current through its filament.