This piece focuses on (one of the most important chapters for board exams). It follows Oswaal’s typical typology: remembering, understanding, application, and case-based questions. Oswaal CBSE Class 10 Science Question Bank Practice Module: Magnetic Effects of Electric Current Topic Coverage: Magnetic Field, Solenoid, Fleming’s Rules, Electric Motor & Generator 1. Multiple Choice Questions (MCQs) – 1 Mark each Q.1 The pattern of the magnetic field lines produced by a straight current-carrying conductor is: (a) Radial (b) Concentric circles around the conductor (c) Straight lines parallel to the conductor (d) Elliptical
Write the name of the rule which helps to determine the direction of induced current in a conductor moving in a magnetic field. State the rule. 4. Short Answer Questions Type II (SA-II) – 3 Marks each Q.11 (a) State Fleming’s Left-Hand Rule. (b) Explain with the help of a labeled diagram the principle of an electric motor. (c) Why is a split ring used in an electric motor? Oswaal cbse class 10 science question bank
Which of the following correctly represents Fleming’s Left-Hand Rule? (a) Thumb – Current, Forefinger – Motion, Middle finger – Field (b) Thumb – Motion, Forefinger – Field, Middle finger – Current (c) Thumb – Field, Forefinger – Current, Middle finger – Motion (d) Thumb – Current, Forefinger – Field, Middle finger – Motion 2. Very Short Answer Questions (VSA) – 1 Mark each Q.5 State one difference between a permanent magnet and an electromagnet. Q.6 Name the device which converts mechanical energy into electrical energy. Q.7 What is the frequency of direct current (DC) in India? 3. Short Answer Questions Type I (SA-I) – 2 Marks each Q.8 Draw a labeled diagram to show the pattern of magnetic field lines around a current-carrying solenoid. Mark the north and south poles. This piece focuses on (one of the most