Question 11 MarkElectromagnetism is used in many places in our day-to-day life.Answer TrueView full question & answer→
Question 21 MarkThe north pole is indicated by ‘S’ and the south pole is indicated by ‘N’.AnswerFalse: The north pole is indicated by Wand the south pole is indicated by ‘S’.View full question & answer→
Question 41 MarkMariner’s compass is used for finding directions while travelling.Answer TrueView full question & answer→
Question 61 MarkThe magnetic force is concentrated at the centre of the magnet.AnswerFalse: The magnetic force is concentrated at the poles of the magnetView full question & answer→
Question 71 MarkLike poles attract each other and unlike poles repel each other.AnswerFalse: Like poles repel each other and unlike poles attract each other.View full question & answer→
Question 81 MarkThe bar of soft or pure iron protects the magnet.Answer TrueView full question & answer→
Question 91 MarkMagnetism of electromagnet is permanent.AnswerFalse: Magnetism of electromagnet is temporary.View full question & answer→
Question 101 MarkMaterial alnico is a mixture of aluminium, nickel and iron.AnswerFalse: Material alnico is a mixture ofaluminium, nickel and cobal.View full question & answer→