Magnetic Effect Of Current MCQ Level - 1 - Physics MCQ
10 Questions MCQ Test - Magnetic Effect Of Current MCQ Level - 1
A current i is flowing in a straight conductor of length L. The magnetic induction at a point distant L/4 from its centre will be :
A long solenoid carrying a current produce’s a magnetic field B along its axis. If the current is doubled acid the number of turns per cm is halved, the new value of the magnetic field is :
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For paramagnetic materials magnetic susceptibility is related with temperature as :
An electron and proton enter a uniform magnetic field perpendicular. Both have same kinetic energy. Which of the following is true?
A charge of 10–6C is describing a circular path of radius 1cm making 5 revolution per second. The magnetic induction field at the centre of the circle is :
A charged particle enters a uniform magnetic field with velocity vector at an angle of 45° with the magnetic field. The pitch of the helical path followed by the particle is p. The radius of the helix will be :
A charged particle (charge q) is moving in a circle of radius R with uniform speed v. The associated magnetic moment µ is given by :
The magnetic induction at centre O in the following figure will be
A current carrying wire is bent in the L shape as shown in figure. The length of both arms extend to infinity. Then, the magnetic field at O is
A current loop consists of two identical semicircular parts each of radius R, one lying in the x - y plane and the other in x - z plane. If the current in the loop is i. The resultant magnetic field due to the two semiconductor parts at their common centre is :
in negative z direction.
in negative y direction.
Important Questions for Magnetic Effect Of Current MCQ Level - 1
Magnetic Effect Of Current MCQ Level - 1
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