1
KCET 2025
MCQ (Single Correct Answer)
+1
-0

A solenoid is 1 m long and 4 cm in diameter. It has five layers of windings of 1000 turns each and carries a current of 7A. The magnetic field at the centre of the solenoid is

A
$0.4396 \times 10^{-5} \mathrm{~T}$
B
$4.396 \times 10^{-2} \mathrm{~T}$
C
$43.96 \times 10^{-2} \mathrm{~T}$
D
439.6 T
2
KCET 2025
MCQ (Single Correct Answer)
+1
-0

Two similar galvanometers are covered into an ammeter and a milliammeter. The shunt resistance of ammeter as compared to the shunt resistance of milliammeter will be

A
Zero
B
More
C
Less
D
Equal
3
KCET 2025
MCQ (Single Correct Answer)
+1
-0

Which of the following statements is true in respect of diamagnetic susbtances?

A
They are feebly attracted by magnets
B
Permeability is greater than 1000
C
Susceptibility decreases with temperature.
D
Susceptibility is small and negative
4
KCET 2025
MCQ (Single Correct Answer)
+1
-0
Identify the correct statement
A
A current carrying conductor produces an electric field around it.
B
A straight current carrying conductor has circular magnetic field lines around it.
C
The direction of magnetic field due to a current element is given by Flemings Left Hand Rule
D
The magnetic field inside a solenoid is non-uniform
EXAM MAP