Quiz on Force on a Current-Carrying Conductor

What happens to a current-carrying conductor in a magnetic field?

• It stops conducting electricity.

• It becomes magnetized.

• It experiences a force.

• It produces heat.

Which rule is used to determine the direction of the force on a current-carrying conductor?

• Faraday's law

• Ohm's law

• Fleming's left-hand rule

• Fleming's right-hand rule

What must be true for a current-carrying conductor to experience a force in a magnetic field?

• The current must be perpendicular to the magnetic field.

• The current must be parallel to the magnetic field.

• The magnetic field must be weak.

• The conductor must be insulated.

What does the thumb represent in Fleming's left-hand rule?

• Direction of the electron flow

• Direction of the current

• Direction of the magnetic field

• Direction of the force

If the direction of the current is reversed, what happens to the direction of the force?

• It becomes unpredictable.

• It remains the same.

• It also reverses.

• It stops acting.

What is the effect of increasing the current in a conductor placed in a magnetic field?

• The force increases.

• The force decreases.

• The direction of the force changes.

• There is no effect.

In which scenario will a current-carrying conductor not experience any force in a magnetic field?

• When the current is zero.

• When the magnetic field is strong.

• When the conductor is moving.

• When the current is parallel to the magnetic field.

What does the index finger represent in Fleming's left-hand rule?

• Direction of the force

• Direction of the current

• Direction of the magnetic field

• Direction of the electron flow

Which of the following factors does NOT affect the force experienced by a current-carrying conductor in a magnetic field?

• Strength of the magnetic field

• Length of the conductor

• Temperature of the conductor

• Magnitude of the current

What happens to the force on a current-carrying conductor if the magnetic field is reversed?

• The force remains unchanged.

• The force reverses direction.

• The force increases.

• The force decreases.