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Class 10 Science — Chapter 12: Magnetic Effects of Electric Current

66 practice questions · 22 Easy · 22 Medium · 22 Hard

Free NCERT-aligned multiple-choice practice for Class 10 Science, Chapter 12 (Magnetic Effects of Electric Current). Practise timed Easy, Medium and Hard quizzes with instant explanations — built for CBSE Board exams, JEE Main and NEET UG. Here are a few sample questions; sign in free to practise all 66.

Sample questions

Q1Easy

First scientist to observe magnetic effect of current:

A.Faraday
B.Oersted✓ correct
C.Maxwell
D.Ampere
Why

Hans Oersted (1820) noticed deflection of compass near current-carrying wire.

Q2Medium

Magnetic field inside a long solenoid is:

A.Zero
B.Uniform and strong✓ correct
C.Radial
D.Circular
Why

Inside a solenoid, field lines are parallel and uniform.

Q3Hard

An electric generator converts:

A.Electrical → mechanical
B.Mechanical → electrical✓ correct
C.Heat → light
D.Sound → electrical
Why

Generator: kinetic energy of rotating coil → induced EMF.

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