One Short

There is one short electric dipole placed on a horizontal plane. A circle is drawn assuming centre of dipole as centre of circle and plane of the circle is perpendicular to the axis of electric dipole. Thế number of points on this circle where electric field intensity due to electric dipole is perpendicular to the axis of dipole.

There is one short magnet of magnetic moment 2.16 Am^2 , which is placed on horizontal surface with its North Pole pointing towards north. Locate null point on horizontal surface if horizontal component of earth's magnetic field is 27 mu t .

A rectangular farm has to be fenced on one long side,one short side and the diagonal.If the cost of fencing is Rs 100 per m,the area of the farm is 1200m2 and the short side is 30m long,how much would the job cost? (a) Rs 7000 (b) Rs 12000(c) Rs 14000(d) Rs 15000

One of the distinct features of Very Short Answer type questions is

A chromosome, in which the centromere is situated is situated close to its end so that one arm is very short and other vey long is

Two short bar magnets have equal pole stengths but one is twice as long as the other one . The short magnet is placed at a distance of 30 cm in tan A position form the compass needle . The longer magnet must be placed on the other side of the compass needle for no deflection at a distance of .