ICSE Class 10 c10magneticeffects — practice questions
22 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice ICSE Class 10 c10magneticeffects in the app →Who discovered in 1820 that a current deflects a compass needle?A compass needle is in fact a small:Magnetic field is a quantity that has:Outside a magnet, field lines run from the:Magnetic field lines are always:Where the field lines are crowded, the magnetic field is:Two magnetic field lines can never cross because a compass would then point:The right-hand thumb rule gives the direction of the field around a:The right-hand thumb rule is also known as Maxwell's:A coil of many turns of insulated copper wire wound as a cylinder is a:The magnetic field inside a current-carrying solenoid is:Placing soft iron inside a current-carrying solenoid produces an:The force on a current-carrying conductor in a field is largest when current and field are:In Fleming's left-hand rule the thumb points along the:Who discovered in 1831 that a moving magnet can generate current?A changing magnetic field inducing current in another conductor is called:Current can be induced in a coil by moving it in a field or by:In an electric generator, mechanical energy is used to:The frequency of alternating current in India is:The main advantage of AC over DC is that power can be:In a domestic circuit, the wire with red insulation is the:The earth wire in a house is recognised by insulation coloured: