Biot Savart Law in Hindi. We covered all the Biot Savart Law in Hindi in this post for free so that you can practice well for the exam.
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Mock Test on Biot Savart Law for Students
The magnetic field at a distance (r) from the conductor is B. If the distance becomes r/2, what is the magnitude of the magnetic field?
(A) 0.5 B
(B) B
(C) 2 B
(D) 4 B
Option d - 4 B
An electric current passes through a straight wire. At a distance of 5 cm from the wire the magnetic field is B. The field at 20 cm from the wire would be :
(A) B/2
(B) B/4
(C) B/8
(D) B
Option b - B/4
The magnetic field at a point due to a current-carrying conductor is directly proportional to
(A) resistance of the conductor
(B) the thickness of the conductor
(C) distance from the conductor
(D) current flowing through the conductor
Option d - current flowing through the conductor
A current is passed through a straight wire. The magnetic field established around it has its lines of force :
(A) oval
(B) circular
(C) parabolic
(D) elliptical
Option b - circular
The direction of magnetic induction produced by the current-carrying conductor is found using :
(A) fleming's right-hand rule
(B) right-hand thumb rule
(C) palm rule (right hand)
(D) screw rule (right hand)
Option b - right-hand thumb rule
The energy resides in a current-carrying conductor in the form of
(A) magnetic field
(B) mechanical work
(C) electrostatic field
(D) gravitational field
Option a - magnetic field
The magnetic field at a point due to current (1) is 4 T. If the current in the conductor is doubled, then the magnetic field will be :
(A) 2T
(B) 4 T
(C) 6 T
(D) 8T
Option d - 8T
If the direction of the electric current is reversed, the direction of the magnetic field will get :
(A) remain the same
(B) reversed
(C) make an angle
(D) increase in magnitude
Option b - reversed
Magnetic field B due to a current element at all points on the axis of the element is :
(A) zero
(B) minimum
(C) maximum
(D) infinite
Option a - zero
Biot savart's law gives the relation for
(A) magnetic induction
(B) electric intensity
(C) electric potential
(D) magnetic potential
Option a - magnetic induction
Corresponding to maxwell, the unit of magnetic flux in the SI system is :
(A) weber
(B) tesla
(C) henry
(D) gauss
Option a - weber
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