Here we will provide you the 50+ MCQ Questions of Moving Charges and Magnetism for NEET-UG. Moving Charges and Magnetism is the chapter 4 in Class XII or Class 12 Physics NCERT Unit Moving Charges and Magnetism NEET (conducted by NTA) is based on the NCERT book.
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These 50+ MCQ questions are selected by the experts of studyrate.in and these are more difficult questions, which will help you to better understand Moving Charges and Magnetism NEET MCQ Questions with Answers.
Moving Charges and Magnetism NEET MCQ
A particle of mass m and charge q moves in a circular path of radius R with a uniform magnetic field B perpendicular to the plane of the circle. What will be the frequency of revolution of the particle?
a) qB/2Ï€mR
b) qB/mR
c) mR/qB
d) 2Ï€mR/qB
A charged particle moves with a velocity v perpendicular to a uniform magnetic field B. What will be the magnitude of the force on the particle?
a) qvB
b) qv/B
c) qB/v
d) qBv
A charged particle of mass m and charge q moves with a velocity v perpendicular to a uniform magnetic field B. What will be the radius of the circular path described by the particle?
a) mv/qB
b) qB/mv
c) mv/Bq
d) Bqv/m
A charged particle of mass m and charge q moves with a velocity v perpendicular to a uniform magnetic field B. What will be the period of revolution of the particle?
a) 2Ï€m/qB
b) 2Ï€qB/m
c) 2Ï€mB/q
d) 2Ï€q/mB
Two long parallel wires are separated by a distance d and carry currents i and 2i respectively in the same direction. What will be the force per unit length on the first wire due to the magnetic field produced by the second wire?
a) μ0i/2πd
b) μ0i/4πd
c) μ0i/2πd^2
d) μ0i/4πd^2
A charged particle of mass m and charge q moves with a velocity v perpendicular to a uniform magnetic field B. What will be the kinetic energy of the particle?
a) qvB/m
b) mv^2/2qB
c) mv^2/2Bq
d) qBv^2/2m
A circular loop of radius R carries a current i. What will be the magnetic field at its center?
a) μ0i/2R
b) μ0iR/2πR^2
c) μ0i/2πR^2
d) μ0iR/2R^2
A charged particle moves in a uniform magnetic field B with a velocity v making an angle θ with the direction of B. What will be the magnitude of the force on the particle?
a) qvB sin(θ)
b) qvB cos(θ)
c) qBv/θ
d) qB/θv
A charged particle of mass m and charge q moves with a velocity v perpendicular to a uniform magnetic field B. What will be the angular frequency of the particle?
a) qB/m
b) m/qB
c) qB/2m
d) 2m/qB
A straight wire of length l is carrying a current i. A point P is located at a distance r from the wire on its perpendicular bisector. What will be the magnetic field at point P?
a) μ0il/2πr
b) μ0i/2πr
c) μ0il/4πr
d) μ0i/4πr
A charged particle moves in a uniform magnetic field B with a velocity v making an angle θ with the direction of B. What will be the radius of the helical path described by the particle?
a) mv/qB sin(θ)
b) mv/qB cos(θ)
c) qBv/m sin(θ)
d) qBv/m cos(θ)
A conducting loop of radius R is placed in a uniform magnetic field B with its plane perpendicular to the direction of B. If the resistance of the loop is R, what will be the time constant of the circuit when a current is induced in the loop?
a) R/2Ï€B
b) 2Ï€BR
c) R/2Ï€^2B
d) 2Ï€^2BR
A wire of length l carrying a current i is bent into a semicircle of radius R. What will be the magnetic field at the center of the semicircle?
a) μ0il/2R
b) μ0i/2R
c) μ0il/4R
d) μ0i/4R
A charged particle of mass m and charge q moves with a velocity v perpendicular to a uniform magnetic field B. What will be the pitch of the helix described by the particle?
a) 2Ï€mv/qB
b) 2Ï€qB/mv
c) 2Ï€mv/Bq
d) 2Ï€q/mBv
A coil of wire carrying a current i is placed in a uniform magnetic field B. If the coil is turned by an angle θ about an axis perpendicular to the magnetic field, what will be the emf induced in the coil?
a) Bli sin(θ)
b) Bli cos(θ)
c) Bilθ
d) Blθi
A straight wire of length l carrying a current i is bent into a circular loop of radius R. What will be the magnetic field at the center of the loop?
a) μ0il/2R
b) μ0i/2R
c) μ0il/4R
d) μ0i/4R
A charged particle of mass m and charge q moves with a velocity v perpendicular to a uniform magnetic field B. What will be the magnetic moment of the particle?
a) qv/2B
b) qv/B
c) qv/2B^2
d) qv/B^2
Two identical long straight wires, each carrying a current I, are placed parallel to each other at a distance d. What is the magnitude of the force per unit length between the two wires?
a) μ0I^2/2πd
b) μ0I^2/πd
c) μ0I^2/4πd
d) μ0I^2/8πd
A long solenoid of length L and radius R carries a current I. What will be the magnitude of the magnetic field inside the solenoid?
a) μ0IN/L
b) μ0IL/N
c) μ0N/LI
d) μ0NI/L
A conducting rod of length l is moved with a constant velocity v perpendicular to a uniform magnetic field B. What will be the emf induced across the ends of the rod?
a) Blv
b) B^2l^2v/2
c) B^2lv^2/2
d) Blv^2/2
A long straight wire carrying a current I is bent into a circular loop of radius R. What will be the magnetic field at a point on the axis of the loop at a distance x from its center?
a) μ0IR^2/2(x^2+R^2)^(3/2)
b) μ0I/2(x^2+R^2)^(3/2)
c) μ0IR^2/4(x^2+R^2)^(3/2)
d) μ0I/4(x^2+R^2)^(3/2)
A circular loop of radius R carries a current I. What will be the magnitude of the magnetic field at a point on the axis of the loop at a distance x from its center?
a) μ0IR^2/2(x^2+R^2)^(3/2)
b) μ0I/2(x^2+R^2)^(3/2)
c) μ0IR^2/4(x^2+R^2)^(3/2)
d) μ0I/4(x^2+R^2)^(3/2)
A conducting circular loop of radius R and resistance R is placed in a uniform magnetic field B with its plane perpendicular to the direction of B. What will be the time constant of the circuit when a current is induced in the loop?
a) R/2Ï€B
b) 2Ï€BR
c) R/2Ï€^2B
d) 2Ï€^2BR
Two identical long straight wires, each carrying a current I, are placed parallel to each other at a distance d. What is the magnitude of the force per unit length between the two wires?
a) μ0I^2/2πd
b) μ0I^2/πd
c) μ0I^2/4πd
d) μ0I^2/8πd
A long solenoid of length L and radius R carries a current I. What will be the magnitude of the magnetic field inside the solenoid?
a) μ0IN/L
b) μ0IL/N
c) μ0N/LI
d) μ0NI/L
A conducting rod of length l is moved with a constant velocity v perpendicular to a uniform magnetic field B. What will be the emf induced across the ends of the rod?
a) Blv
b) B^2l^2v/2
c) B^2lv^2/2
d) Blv^2/2
A long straight wire carrying a current I is bent into a circular loop of radius R. What will be the magnetic field at a point on the axis of the loop at a distance x from its center?
a) μ0IR^2/2(x^2+R^2)^(3/2)
b) μ0I/2(x^2+R^2)^(3/2)
c) μ0IR^2/4(x^2+R^2)^(3/2)
d) μ0I/4(x^2+R^2)^(3/2)
A circular loop of radius R carries a current I. What will be the magnitude of the magnetic field at a point on the axis of the loop at a distance x from its center?
a) μ0IR^2/2(x^2+R^2)^(3/2)
b) μ0I/2(x^2+R^2)^(3/2)
c) μ0IR^2/4(x^2+R^2)^(3/2)
d) μ0I/4(x^2+R^2)^(3/2)
A conducting circular loop of radius R and resistance R is placed in a uniform magnetic field B with its plane perpendicular to the direction of B. What will be the time constant of the circuit when a current is induced in the loop?
a) R/2Ï€B
b) 2Ï€BR
c) R/2Ï€^2B
d) 2Ï€^2BR
Two identical circular loops, each of radius R, carry currents I1 and I2 in the same direction. What will be the magnitude of the force per unit length between the two loops if they are placed parallel to each other at a distance d?
a) μ0I1I2πR^2/2d^2
b) μ0I1I2πR^2/d^2
c) μ0I1I2πR^2/4d^2
d) μ0I1I2πR^2/8d^2
A current carrying circular loop is placed in a magnetic field. What will be the torque acting on the loop if its plane is perpendicular to the direction of the magnetic field?
a) Zero
b) Maximum
c) Minimum
d) Depends on the value of the current
We hope there NEET MCQ of Class 12 Moving Charges and Magnetism will help you to score an excellent rank in NEET-UG. If you have any queries feel free to write in the comments section. We at Study Rate are always ready to serve our students.
