Related InterviewSolutions

• Match the following:Column ‘A’Column ‘B’1. Iron, nickel, cobalta. Electromagnet2. Doorbell magnetb. Permanent magnet3. Nickel, cobalt, aluminiumc. Iron, nickel, titanium, aluminium4. Cupboard magnetd. Magnetic metals5. Lodestonee. Mariner’s compass6. Nipermagf. Alnico
• What metals are used for making magnets?
• With whom should I pair up?Column ‘A’Column ‘B1. Compassa. The highest magnetic force2. Door of a cupboardb. Like poles3. Repulsionc. A magnet4. Magnetic poled. A magnetic needle
• Write short note on:Functions of metal detector.
• Give scientific reason:Earth is called as a gigantic magnet.
• Write the appropriate terms in the blanks:i. The magnetic lines of force always run from the north pole to the ……… .ii. The unit of magnetic field strength is ………… .iii. The earth behaves like a giant ………… .iv. The ……………. properties of magnetic field was proposed by scientistv. The region around a magnet where the magnetic force acts on an object is called the …………. .
• In which direction does a freely suspended magnet settle?
• Why does the magnetic needle of a compass not settle parallel to the ground but at an angle to it?
• Which direction will a magnetic needle show on the geographic north pole?
• A bar magnet kept on the cardboard arranges the iron fillings in line.