## Force on a Current Carrying Conductor mcq

The force experienced by a current-carrying conductor in a magnetic field is due to the interaction between:

a) Electric field and magnetic field

b) Magnetic field and gravitational field

c) Electric field and gravitational field

d) Magnetic field and current flow

Answer: d) Magnetic field and current flow

According to the right-hand rule, the direction of the force on a current-carrying conductor is:

a) Along the conductor

b) Opposite to the current flow

c) Perpendicular to both the conductor and the magnetic field

d) Parallel to the magnetic field

Answer: c) Perpendicular to both the conductor and the magnetic field

The magnitude of the force experienced by a current-carrying conductor in a magnetic field depends on:

a) The resistance of the conductor

b) The voltage across the conductor

c) The length of the conductor

d) The strength of the magnetic field and the current in the conductor

Answer: d) The strength of the magnetic field and the current in the conductor

The SI unit of the force on a current-carrying conductor is:

a) Ampere

b) Ohm

c) Tesla

d) Newton

Answer: d) Newton

The force experienced by a current-carrying conductor is maximum when the angle between the conductor and the magnetic field is:

a) 0 degrees

b) 90 degrees

c) 180 degrees

d) It does not depend on the angle

Answer: b) 90 degrees

The force on a current-carrying conductor in a magnetic field can be increased by:

a) Decreasing the current in the conductor

b) Increasing the length of the conductor

c) Increasing the resistance of the conductor

d) Increasing the strength of the magnetic field

Answer: d) Increasing the strength of the magnetic field

The force on a current-carrying conductor is directly proportional to:

a) The length of the conductor

b) The resistance of the conductor

c) The square of the current in the conductor

d) The speed of the conductor

Answer: c) The square of the current in the conductor

The direction of the force on a current-carrying conductor can be determined using:

a) Ampere’s law

b) Faraday’s law

c) Lenz’s law

d) Fleming’s left-hand rule

Answer: d) Fleming’s left-hand rule

The force on a current-carrying conductor is zero when:

a) The current is zero

b) The conductor is parallel to the magnetic field

c) The conductor is perpendicular to the magnetic field

d) The magnetic field is zero

Answer: b) The conductor is parallel to the magnetic field

The force on a current-carrying conductor is maximum when:

a) The current is maximum

b) The magnetic field is maximum

c) The length of the conductor is maximum

d) The conductor is perpendicular to the magnetic field

Answer: d) The conductor is perpendicular to the magnetic field

The force on a current-carrying conductor in a uniform magnetic field is given by:

a) F = ILB

b) F = I/R

c) F = B^2L^2/R

d) F = IBL

Answer: d) F = IBL

The force on a current-carrying conductor is zero when the current is:

a) Maximum

b) Minimum

c) Zero

d) Infinite

Answer: c) Zero

The force on a current-carrying conductor in a magnetic field can be reversed by:

a) Reversing the direction of the current

b) Increasing the resistance of the conductor

c) Decreasing the strength of the magnetic field

d) Increasing the length of the conductor

Answer: a) Reversing the direction of the current

The force on a current-carrying conductor is proportional to:

a) The length of the conductor

b) The resistance of the conductor

c) The current in the conductor

d) The square of the magnetic field

Answer: c) The current in the conductor

The force on a current-carrying conductor in a magnetic field is independent of:

a) The length of the conductor

b) The resistance of the conductor

c) The magnetic field strength

d) The speed of the conductor

Answer: a) The length of the conductor

The force on a current-carrying conductor in a magnetic field can be increased by:

a) Increasing the resistance of the conductor

b) Increasing the length of the conductor

c) Decreasing the current in the conductor

d) Increasing the strength of the magnetic field

Answer: d) Increasing the strength of the magnetic field

The force on a current-carrying conductor is maximum when the current flows:

a) Parallel to the magnetic field

b) Antiparallel to the magnetic field

c) Perpendicular to the magnetic field

d) Tangential to the magnetic field

Answer: c) Perpendicular to the magnetic field

The force on a current-carrying conductor is zero when the conductor is:

a) Parallel to the magnetic field

b) Perpendicular to the magnetic field

c) Antiparallel to the magnetic field

d) Tangential to the magnetic field

Answer: a) Parallel to the magnetic field

The force on a current-carrying conductor in a magnetic field can be calculated using:

a) Coulomb’s law

b) Ohm’s law

c) Ampere’s law

d) Lorentz force law

Answer: d) Lorentz force law

The force on a current-carrying conductor is maximum when:

a) The current is maximum

b) The magnetic field is maximum

c) The length of the conductor is maximum

d) The conductor is perpendicular to the magnetic field

Answer: d) The conductor is perpendicular to the magnetic field

The force on a current-carrying conductor in a magnetic field depends on:

a) The resistance of the conductor

b) The voltage across the conductor

c) The length of the conductor

d) The strength of the magnetic field and the current in the conductor

Answer: d) The strength of the magnetic field and the current in the conductor

The force on a current-carrying conductor is directly proportional to:

a) The length of the conductor

b) The resistance of the conductor

c) The square of the current in the conductor

d) The speed of the conductor

Answer: c) The square of the current in the conductor

The direction of the force on a current-carrying conductor can be determined using:

a) Ampere’s law

b) Faraday’s law

c) Lenz’s law

d) Fleming’s left-hand rule

Answer: d) Fleming’s left-hand rule

The force on a current-carrying conductor is zero when:

a) The current is zero

b) The conductor is parallel to the magnetic field

c) The conductor is perpendicular to the magnetic field

d) The magnetic field is zero

Answer: b) The conductor is parallel to the magnetic field

The force on a current-carrying conductor is maximum when the angle between the conductor and the magnetic field is:

a) 0 degrees

b) 90 degrees

c) 180 degrees

d) It does not depend on the angle

Answer: b) 90 degrees