1
MHT CET 2024 11th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

If number of turns per unit length in a solenoid is tripled, the self inductance of solenoid will

A
remain constant
B
be halved
C
become 9 times
D
become $\frac{1}{9}$ times
2
MHT CET 2024 11th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The number of turns in the primary of a transformer are 1000 and in secondary 3000. If 80 V a.c. is applied to the primary, the potential difference per turn of the secondary coil is

A
0.02 V
B
0.04 V
C
0.08 V
D
0.16 V
3
MHT CET 2024 11th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A closely wound coil of 100 turns and of crosssection $1 \mathrm{~cm}^2$ has coefficient of self inductance 1 mH . The magnetic induction at the centre of the core of a coil when a current of 2 A flows in it, will be (in $\mathrm{Wb} / \mathrm{m}^2$ )

A
0.2
B
0.4
C
0.8
D
1
4
MHT CET 2024 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

When the number of turns in a coil is doubled without any change in the length of the coil, its self-inductance

A
becomes 4 times.
B
becomes 2 times.
C
gets halved.
D
remains unchanged.
MHT CET Subjects
EXAM MAP