Electromagnetism mcqsBy: Prof. Dr. Fazal Rehman | Last updated: May 20, 2025 12 Score: 0 Attempted: 0/12 Subscribe 1. : Spots are formed on the screen in a cathode ray oscilloscope by (A) Anode (B) Cathode (C) Matrix (D) Grid 2. : The quantity that is not affected by a magnetic field is (A) Moving charge (B) Change in magnetic flux (C) Current flowing in a conductor (D) Stationary charge 3. : The device used to measure the potential difference between two points in volts is called a (A) Ohmmeter (B) Odometer (C) Ammeter (D) Voltmeter 4. : When a charged particle moves at right angles to a magnetic field, the quantity that changes is called (A) Momentum (B) Speed (C) Energy (D) Moment of inertia 5. : The cathode ray oscilloscope displays a graph of waveforms based on which of the following (A) Current (B) Temperature (C) Potential difference (D) Voltage 6. : The magnetic field inside a solenoid is (A) Zero (B) Weak (C) Uniform (D) Non-uniform 7. : A magnetic field is set up in a region of a current-carrying (A) Rod (B) Wire (C) Block (D) Plate 8. : The electric instrument used to measure current in amperes is known as (A) Odometer (B) Voltmeter (C) Ohmmeter (D) Ammeter 9. : When an electron is projected at right angles to a uniform magnetic field, it will move along a (A) Helical path (B) Circle (C) Straight line (D) Cube 10. : A moving charge experiences a magnetic force because of (A) Magnetic flux (B) Magnetic field (C) Magnetic current (D) None of the above 11. : In a moving coil galvanometer, the pole faces of the U-shaped magnet are made concave to (A) Make the field radial (B) Increase the field (C) Weaken the field (D) Both A and B 12. : In a moving coil galvanometer, a soft iron cylinder is placed inside the coil to (A) Make zero field (B) Make stronger field (C) Make the galvanometer heavier (D) Both A and B Related Posts:Electromagnetism Research Topicsnetworking MCQs, storage solutions, cloud computing MCQs, data center technologies MCQs.Types of contracts (e.g., sales contracts MCQs, employment contracts MCQs)Distributed database architecture MCQs MCQs in DBMSBuilding brand credibility MCQs MCQs in digital marketingAutoCAD Layouts and Viewports MCQs AutoCAD MCQs