When is the formula F=IlB primarily used instead of F=qvB to calculate the magnetic force acting on a conductor?

When the conductor is carrying an electric current

When the conductor is stationary

When dealing with individual moving charged particles

When the magnetic field is non-uniform

What does Coulomb's Law describe?

Gravitational force between masses

Frictional force between surfaces

Which of the following fields exerts a force on a stationary charged particle?

Both electric and magnetic fields

Neither electric nor magnetic field

The force on a charged particle moving in a magnetic field is always:

Perpendicular to the direction of motion

Opposite to the direction of motion

A magnetic field exerts a force on:

Both moving and stationary charges

Neither moving nor stationary charges

What does F = qE describe?

The electric force on a charge in an electric field

The gravitational force on a mass

The magnetic force on a moving charge

The magnetic force on a charged particle is zero when the particle:

Moves parallel to the magnetic field

Moves perpendicular to the magnetic field

Magnetic fields are created by:

Both stationary and moving charges

Neither stationary nor moving charges

The electric field between parallel plates is:

Increasing from one plate to another

Which of the following is true regarding the application of hand rules in physics?

Hand rules are only used for magnetic fields.

Hand rules are used for both electric and magnetic fields.

Hand rules are only used for electric fields.

Hand rules are not used in physics.

Which of the following best describes the generator effect?

Mechanical energy is converted into electrical energy

Electrical energy is converted into mechanical energy

Mechanical energy is converted into magnetic energy

Magnetic energy is converted into mechanical energy

Which of the following is true about the interaction between charged objects and magnets?

Magnets only exert a force on charged objects when the objects are in motion.

North poles of magnets attract positively charged objects.

South poles of magnets repel negatively charged objects.

Magnets can either attract or repel charged objects depending on their motion.

When is the formula F=qvB primarily used instead of F=IlB to calculate the magnetic force acting on a conductor?

When dealing with individual moving charged particles

When the conductor is coiled into multiple loops

When the conductor is stationary

When the magnetic field is non-uniform

A positively charged particle is placed near the north pole of a magnet. What type of force will the north pole of the magnet exert on the charged particle when it is stationary?

Depends on the charge of the particle

A current-carrying wire is placed parallel to a magnetic field. What will be the magnetic force acting on the wire?

Depends on the magnitude of the current

A charged particle moves through a region where both electric and magnetic fields are present. Which of the following is true about the forces acting on the particle?

Both electric and magnetic fields exert forces on the particle.

Only the magnetic field exerts a force on the particle.

Only the electric field exerts a force on the particle.

Neither field exerts a force on the particle.

When determining the direction of an electric field around a positive point charge, which of the following techniques is used?

No hand rule; the field radiates outward

A negatively charged object is placed in an electric field. To find the direction of the electric force, you would:

Point in the direction opposite to the electric field

Point in the same direction as the electric field

Physics 30 Unit B Concepts Quiz

Authored by Candice Erixon

Physics

12th Grade

Used 16+ times

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49 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following formulas is used to calculate the electric field due to a point charge?

F=ma

E=kq/r²

B=FIl

F=qE

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which unit is equivalent to one electron volt?

1.6 x 10-19 J

6.24 x 1018 J

1 J

9.8 J

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the third hand rule help you find?

Direction of current in a wire

Direction of magnetic field due to a current

Direction of magnetic force on a charged particle

Direction of electric field due to a point charge

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which principle best explains the charging of an object by electrostatic induction?

Coulomb's Law

Faraday's Law

Lenz's Law

Gauss's Law

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which formula is used to calculate the electric force between two charges?

F=kq1q₂/r²

F=ma

F=qvB

E=mc²

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula to find the electric field due to a point charge?

E=kq/r²

E=Fq

E=qA

E=IlB

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula to find the magnetic force on a charged particle moving with velocity in a magnetic field?

F=ma

F=qvB

F=kq₁q₂/r²

F=IlB

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Physics 30 Unit B Concepts Quiz

Which of the following formulas is used to calculate the electric field due to a point charge?

Which unit is equivalent to one electron volt?

What does the third hand rule help you find?

Which principle best explains the charging of an object by electrostatic induction?

Which formula is used to calculate the electric force between two charges?

What is the formula to find the electric field due to a point charge?

What is the formula to find the magnetic force on a charged particle moving with velocity in a magnetic field?

What is the unit of electric charge?

Which formula is used to calculate electric potential due to a point charge?

What happens to the electric force between two charges if the distance between them is doubled?

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