MockTests.ORG Sign in
Home › Moving Charges And Magnetism

Moving Charges And Magnetism Mock Tests

24 questions available

Moving Charges And Magnetism Mock Test 1

Questions: 24

Sample Questions

Class 12 Physics
A long straight wire carries a current of 10 A. The magnetic field at a distance of 5 cm from the wire is:
A 4 × 10⁻⁵ T
B 2 × 10⁻⁵ T
C 8 × 10⁻⁵ T
D 1 × 10⁻⁵ T
Class 12 Physics
Two long straight parallel wires carry currents I₁ and I₂ in the same direction. If I₁ = 2I₂, the force per unit length between them is:
A Attractive, with magnitude proportional to I₁·I₂
B Repulsive, with magnitude proportional to I₁·I₂
C Attractive, with magnitude proportional to I₁/I₂
D Repulsive, with magnitude proportional to I₁ + I₂
Class 12 Physics
A long straight wire carries a current of 5 A. The magnitude of the magnetic field at a perpendicular distance of 10 cm from the wire is:
A 10⁻⁵ T
B 10⁻⁴ T
C 10⁻⁶ T
D 10⁻³ T
NEET Physics
A charged particle moves undeflected in a region having both uniform electric field E and magnetic field B. If the speed of the particle is v, then:
A E = vB
B E = v/B
C B = vE
D E = v²B
Class 12 Physics
A solenoid of length 0.5 m has 500 turns and a radius of 2 cm. The magnetic field at its centre when a current of 2 A flows through it is (μ₀ = 4π × 10⁻⁷ T·m/A):
A 8π × 10⁻⁴ T
B 4π × 10⁻⁴ T
C 16π × 10⁻⁴ T
D 2π × 10⁻⁴ T
Class 12 Physics
A charged particle moves along a straight line in a region with a magnetic field. This implies that:
A The field is zero
B The field is uniform and the particle moves parallel to it
C Either the field is zero or the particle moves parallel to it
D The field is perpendicular to the velocity
NEET Physics
A long straight wire carries current I. The magnetic field at distance r from the wire is:
A μ₀I/(2πr)
B μ₀I/(4πr)
C μ₀I/(πr)
D μ₀I/(2r)
Class 12 Physics
A long straight wire carries a current of 5 A. The magnitude of the magnetic field at a perpendicular distance of 10 cm from the wire is: (μ₀ = 4π × 10⁻⁷ T·m/A)
A 1 × 10⁻⁵ T
B 2 × 10⁻⁵ T
C 4 × 10⁻⁵ T
D 3 × 10⁻⁵ T

Comments

0/2000

No comments yet. Be the first to share your thoughts!