Karnataka SSLC (Class 10) Magnetic Effects of Electric Current — practice questions
15 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice Karnataka SSLC (Class 10) Magnetic Effects of Electric Current in the app →The scientist who first showed that an electric current produces a magnetic field wasMagnetic field lines outside a bar magnet are directedThe direction of the magnetic field produced around a straight current-carrying conductor is given by theA current-carrying solenoid behaves like aThe force on a current-carrying conductor placed in a magnetic field is found usingAn electric motor convertsAn electric generator works on the principle ofThe direction of the current induced in a conductor moving in a magnetic field is given byIn India, the alternating current supplied to homes changes its directionA soft iron core is used inside an electromagnet because itIn a household wiring, the wire that acts as a safety measure by connecting the metallic body of appliances toAn electric fuse protects a circuit byA short circuit occurs whenMagnetic field lines are said to be crowded (closer together) where the magnetic field isOverloading of a domestic circuit happens when