1
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

The relative permeability of iron is 6000. Its magnetic susceptibility is

A
5999
B
6001
C
6000 $$\times$$ 10$$^{-7}$$
D
6000 $$\times$$ 10$$^{7}$$
2
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

The intensity of magnetic field due to an isolated pole of strength $$m_p$$ at a point distant $$r$$ from it will be

A
$$m_p/r^2$$
B
$$m_p r^2$$
C
$$r^2/m_p$$
D
$$m_p/r$$
3
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

The angle which the total magnetic field of earth makes with the surface of the earth is called

A
declination
B
magnetic meridian
C
geographic meridian
D
inclination
4
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

The angle of dip of at a place where horizontal and vertical components of earth’s magnetic field are equal is

A
45$$^\circ$$
B
30$$^\circ$$
C
0$$^\circ$$
D
60$$^\circ$$
COMEDK Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
CBSE
Class 12