13 MARCH 2021 CURRENT AFFAIRS QUIZ

pole strength

universal constant

vector quantity

scalar quantity

decreases continuously from initial value to final value

is constant and has same value in energy part of the magnetic field

increases continuously from initial value to final value

first increases and then decreases till it becomes zero

tesla

At/m

Wb

At/Wb

Remagnetising metallic parts

Removal of magnetic impurities

Removing gases from the materials

Demagnetising metallic parts

Copper

Silver

Iron

Silver and copper

rectangular

None of the listed here

triangular

circular

A line of magnetic flux in a non-uniform field

A line of magnetic flux which does not follow the designed path

A line vertical to the flux lines

The mean length of a ring shaped coil

It starts rotating

It assures a position right angle to magnetic field

It assures a position which follows a line of magnetic flux

None of the listed here

Direction of force on a current carrying conductor in a magnetic field

Polarity of a magnetic pole

Direction of magnetic field due to current carrying conductor

Direction of flux in a solenoid

Paramagnetic materials

Diamagnetic materials

Ferromagnetic materials

Ferrites