Magnetism And Electromagnetism — Part 2 MCQs with Explanations

4 is the correct answer to “What will be the current passing through the ring shaped air cored coil when number of turns is 800 and ampere turns are 3200”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

$$\frac{{\text{M}}}{2}$$ is the correct answer to “A rectangular magnet of magnetic moment M is cut into two piece of same length, the magnetic moment of each piece will be”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

both of above is the correct answer to “Main causes of noisy solenoid are”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

placing it inside a coil carrying current is the correct answer to “The most effective and quickest may of making a magnet from soft iron is by”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

magnetomotive force is the correct answer to “Gilbert is a unit of”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

Tesla is the correct answer to “Which of the following is the unit of magnetic flux density”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

Soft iron is the correct answer to “Indicate which of the following material does not retain magnetism permanently.”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

the sum of all currents embraced by one line of magnetic field is the correct answer to “The magnetomotive force is”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

diamagnetic materials is the correct answer to “The relative permeability is less than unity is case of”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

Zero is the correct answer to “A conductor of length L has current I passing through it, when it is placed parallel to a magnetic field. The force experienced by the conductor will be”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

2.4 N is the correct answer to “A 300 mm long conductor is carrying a current of 10 A and is situated at right angles to a magnetic field having a flux density of 0.8 T ; the force on the conductor will be”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

diamagnetic material is the correct answer to “A material which is slightly repelled by a magnetic field is known as”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

(A) and (B) both in the same way is the correct answer to “The change of cross-sectional area of conductor in magnetic field will affect”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

from north pole to south pole is the correct answer to “The direction of magnetic lines of force is”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

reluctivity is the correct answer to “Reciprocal of permeability is”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

ferromagnetic substances is the correct answer to “Susceptibility is positive for”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

Silver and copper is the correct answer to “Which of the following materials are diamagnetic”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

it has low permeability is the correct answer to “Magnetising steel is normals difficult because”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

Ferrites is the correct answer to “For which of the following materials the saturation value is the highest”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

vector quantity is the correct answer to “Magnetic moment is a”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

It assures a position which follows a line of magnetic flux is the correct answer to “How does the magnetic compass needle behave in a magnetic field”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

Increases is the correct answer to “A certain amount of current flows through a ring shaped coil with fixed number of turns. How does the magnetic induction B varies inside the coil if an iron core is threaded into coil without dimensional change of coil”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

1 Wb/m2 is the correct answer to “One telsa is equal to”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

10-3 and 10-5 is the correct answer to “The susceptibility of paramagnetic materials generally lies between”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

diamagnetic is the correct answer to “The materials are a bit inferior conductors of magnetic flux than air.”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

transformers is the correct answer to “The use of permanent magnets is. not made in”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

demagnetising metallic parts is the correct answer to “Degaussing is the process of”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

Nickel is the correct answer to “Which of the following is a ferromagnetic material”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

proportional to X is the correct answer to “The two conductors of a transmission line carry equal current I in opposite directions. The force on each conductor is”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

susceptibility is the correct answer to “The ratio of intensity of magnetisation to the magnetisation force is known as”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

22 x 10-5 N is the correct answer to “What is the magnitude and the direction of force per 1.1m length of a pair of conductors of a direct current linecarrying 10 amperes and spaced 100 mm apart”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

soft iron is the correct answer to “The commonly used material for shielding or screening magnetism is”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

ferromagnetic is the correct answer to “Ferrites are materials.”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

the field in which all lines of magnetic flux are parallel and equidistant is the correct answer to “The uniform magnetic field is”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

both of the above is the correct answer to “Core of an electromagnet should have”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

Direction of force on a current carrying conductor in a magnetic field is the correct answer to “Fleming's left hand rule is used to find”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

ferri-magnetic materials is the correct answer to “Ferrites are a sub-group of”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

Distance between the conductors is the correct answer to “The force between two long parallel conductors is inversely proportional to”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

The electric field intensity at a point is numerically equal to the force exerted upon a charge placed at that point is the correct answer to “Out of the following statements, concerning an electric field, which statement is not true”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.

flux density is the correct answer to “Tesla is a unit of”. This question is standard in competitive examination syllabi for Magnetism And Electromagnetism.