You can prepare effectively for NEET with this dedicated MCQ Practice Test (available with solutions) on the important topic of "33 Year NEET Previous Year Questions: Moving Charges & Magnetism - 1". These 25 questions have been designed by the experts with the latest curriculum of NEET 2026, to help you master the concept.
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A current carrying coil is subjected to a uniformmagnetic field. The coil will orient so that itsplane becomes [1988]
Detailed Solution: Question 1
Tesla is the unit of [1988]
Detailed Solution: Question 2
Energy in a current carrying coil is stored in theform of [1989]
Detailed Solution: Question 3
The total charge induced in a conducting loopwhen it is moved in a magnetic field depends on [1990]
Detailed Solution: Question 4
The magnetic induction at a point P which is at adistance of 4 cm from a long current carryingwire is 10–3 T. The field of induction at a distance12 cm from the current will be [1990]
Detailed Solution: Question 5
A deuteron of kinetic energy 50 keV is describinga circular orbit of radius 0.5 metre in a planeperpendicular to the magnetic field B. The kineticenergy of the proton that describes a circularorbit of radius 0.5 metre in the same plane withthe same B is [1991]
Detailed Solution: Question 6
A uniform magnetic field acts at right angles tothe direction of motion of electron. As a result,the electron moves in a circular path of radius2cm. If the speed of electron is doubled, thenthe radius of the circular path will be [1991]
Detailed Solution: Question 7
The magnetic field at a distance r from a longwire carrying current i is 0.4 tesla. The magneticfield at a distance 2r is [1992]
Detailed Solution: Question 8
A straight wire of length 0.5 m that is carrying a current of 1.2 A is placed in a uniform magnetic field of induction 2T, and the magnetic field is perpendicular to the length of the wire. What is the force of the wire?
Detailed Solution: Question 9
To convert a galvanometer into an ammeter, oneneeds to connect a [1992]
Detailed Solution: Question 10
A coil carrying electric current is placed inuniform magnetic field, then [1993]
Detailed Solution: Question 11
A charge moving with velocity v in X-directionis subjected to a field of magnetic induction innegative X-direction. As a result, the charge will [1993]
Detailed Solution: Question 12
An electron enters a region where magnetic field(B) and electric field (E) are mutually perpendicular,then [1994]
Detailed Solution: Question 13
A straight wire of diameter 0.5 mm carrying acurrent of 1 A is replaced by another wire of 1mm diameter carrying same current. The strengthof magnetic field far away is [1995, 97, 99]
Detailed Solution: Question 14
At what distance from a long straight wirecarrying a current of 12 A will the magnetic fieldbe equal to 3×10-5 Wb /m2 ? [1995]
Detailed Solution: Question 15
The magnetic field
due to a small element (dℓ ) at a distance
and element carrying current i is [1996]
Detailed Solution: Question 16
A 10 eV electron is circulating in a plane at rightangles to a uniform field at magnetic induction10– 4 Wb/m2 (= 1.0 gauss). The orbital radius ofthe electron is [1996]
Detailed Solution: Question 17
Two equal electric currents are flowing perpendicular to each other as shown in the figure. AB and CD are perpendicular to each other and symmetrically placed with respect to the current flow. Where do we expect the resultant magnetic field to be zero? [1996]

Detailed Solution: Question 18
A beam of electrons is moving with constantvelocity in a region having simultaneousperpendicular electric and magnetic fields ofstrength 20 Vm–1 and 0.5 T respectively at rightangles to the direction of motion of the electrons.Then the velocity of electrons must be [1996]
Detailed Solution: Question 19
A galvanometer of resistance 20 Ω gives fullscale deflection with a current of 0.004 A. Toconvert it into an ammeter of range 1 A, therequired shunt resistance should be [1996]
Detailed Solution: Question 20
A positively charged particle moving due eastenters a region of uniform magnetic field directedvertically upwards. The particle will [1997]
Detailed Solution: Question 21
Two long parallel wires are at a distance of 1metre. Both of them carry one ampere of current.The force of attraction per unit length betweenthe two wires is [1998]
Detailed Solution: Question 22
A galvanometer having a resistance of 8 ohmsis shunted by a wire of resistance 2 ohms. If thetotal current is 1 amp, the part of it passingthrough the shunt will be [1998]
Detailed Solution: Question 23
A coil of one turn is made of a wire of certainlength and then from the same length a coil oftwo turns is made. If the same current is passedin both the cases, then the ratio of the magneticinductions at their centres will be [1998]
Detailed Solution: Question 24
Magnetic field intensity at the centre of a coil of50 turns, radius 0.5 m and carrying a current of 2A is [1999]
Detailed Solution: Question 25