1
KCET 2018
MCQ (Single Correct Answer)
+1
-0
The strength of the Earth's magnetic field is
A
constant everywhere
B
zero everywhere
C
having very high value
D
varying from place to place on the Earth's surface
2
KCET 2018
MCQ (Single Correct Answer)
+1
-0
A jet plane having a wing-span of 25 m is travelling horizontally towards East with a speed of $3600 \mathrm{~km} / \mathrm{hr}$. If the Earth's magnetic field at the location is $4 \times 10^{-4} \mathrm{~T}$ and the angle of dip is $30^{\circ}$, then the potential difference between the ends of the wing is
A
4 V
B
5 V
C
2 V
D
2.5 V
3
KCET 2017
MCQ (Single Correct Answer)
+1
-0
The susceptibility of a ferromagnetic substance is
A
Zero
B
$>1$
C
$<1$
D
$\gg 1$
4
KCET 2017
MCQ (Single Correct Answer)
+1
-0
Which of the following properties is 'False' for a bar magnet?
A
It doesn't produce magnetic field.
B
Its like poles repel and unlike poles attract.
C
Its poles cannot be separated.
D
It points in North-South direction when suspended.
KCET Subjects
EXAM MAP