Skip to main content

Posts

Showing posts with the label 10 Question-Answer on Magnetism of earth

10 QA on Magnetism of earth | Learn Physics

10 Question-Answer on Magnetism of earth 1.        The needle of a dip circle when placed at a geomagnetic pole stays along (a)     South north direction only (b)    East west direction only (c)     Vertical direction (d)    None of above Ans: ( c) 2.        The lines of force due to earth’s horizontal magnetic field are: (a)     Parallel, straight and horizontal (b)    Concentric circle (c)     Elliptical (d)    Curved lines. Ans: (a) 3.        The vertical component of earth’s magnetic field is zero at; (a)     Magnetic equator (b)    Magnetic pole (c)     Geographic pole (d)    At 90˚ latitude Ans: (a) 4.        A dip needle which is free to move in a vertical plane perpendicular to ...