Magnetic Effect...

In our domestic electric supply we use following three colours of wire.

Which of the following involves electro magnetic induction?

Statement A : H. C. Oersted, a Danesh physicist first noticed the magnetic effect of electric current.
Statement B : The strength of the magnetic field is indicated by the closeness of the field lines.

Statement A : The line joining the earths magnet is called magnetic axis.
Statement B : Chemical energy is converted into electrical energy in AC generator.

What does the tangent at any point on magnetic field lines indicate?

Match the following with correct response.
(1) Direction of induced current produced by motion of conductor in a magnetic field is given by
(2) Direction of force acting on a current carrying conductor kept in a magnetic field is given by
(3) Production of electricity from magnetism
(4) High powered electrical appliances are connected to the earth

(A) Fleming's left hand rule
(B) Earthing
(C) Electromagnetic induction
(D) Fleming's right hand rule

Match the following with correct response.

Match the following with correct response.
(1) Colour code of earth wire
(2) Dry cell
(3) A coil wound into a tightly packed helix
(4) Magnets that have temporary magnetism

(A) Electromagnet
(B) Direct current
(C) Green
(D) Solenoid

Match the following with correct response.
(1) Dynamo
(2) Area around a magnet in which It's attracting or repelling power can be experienced
(3) Device which converts mechanical energy into electrical energy
(4) Andre marie ampere

(A) Works on electromagnetic principle
(B) Generator
(C) Magnetism
(D) Current

Match the following with correct response.