UCE (O-Level) Electromagnetism — practice questions
5 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice UCE (O-Level) Electromagnetism in the app →A compass is held close to a wire while a current flows through the wire. What happens to the compass needle?Which rule gives the direction of the magnetic field around a straight wire carrying a current?Many loops of wire are wound into a cylindrical coil so that the field of each loop adds to the next. What is A bar magnet is held completely still inside a coil that is connected to a sensitive meter. What emf is induceA uniform magnetic field lies exactly in the plane of a flat wire loop. What is the magnetic flux through the