How might a magnetic force that can be turned on or off be used

Q: For a positive charge entering to the magnetic field, as shown below, the magnetic force will be…

A: Magnetic force on the charged particle moving in a magnetic field B with velocity v is given by,…

Q: 4) An electron moving perpendicular to a uniform magnetic field of 3.2 x 10-T moves in a circle of…

A: Magnitude Charge of Electron is Q = 1.6×10-¹⁹ C  ( sign is not included) Magnetic field is B =…

Q: Determine the magnitude of the magnetic field at the end of a solenoid consisting of 300 turns and a…

A: Number of turns (N) = 300 Length (L) = 12 cm = 0.12 m radius (r) = 5 cm = 0.05 m Current (I) = 13 A…

Q: A magnetic field exerts a force on a charged particle: A. always B. never C. if the particle is…

A: Answer:-  (C) if the particle is moving across the field lines  A magnetic field exerts a force on…

Q: Calculate the magnitude of the magnetic field at a point 100 cm from a long, thin conductor 21 -…

A:

Q: A bullet with mass m = 4.1g and charge q = 2nC moves perpendicular to the Earth's magnetic field B =…

A:

Q: Some tools contain permanent magnets. What two types of materials could these tools pick up

A: Some tools contain permanent magnets , these tools can pick up lighter and heavier objects depending…

Q: Which of the following is equivalent to the units of a magnetic field?     A m/N     N A/m…

A: N/(Am)

Q: Is the magnetic field created by a current loop uniform? Yes No Explain your answer.

A:

Q: If a bar magnet is thrown into a coil of high-resistance wire, it will slow down. Why?

A: bar magnet falls through the coil

Magnetic Force

A magnetic force arises when a charged particle or a current-carrying conductor is placed in a magnetic field. It is created because of the movement of the charged particles.