Which of the following describes a magnetic field that influence on moving electric charges, electric current, and magnetic materials?   a It is the place where no object may be influenced by a magnet  b It is a region in space marked by visible magnetic lines of force  c It is an area where a magnet can influence other magnets or other magnetizable metals  d It is a space near a magnet where only another magnet may be affected

Q: An electron moves in the plane of the paper in this book toward the top of the page. Also in the…

A: The expression for the magnetic force on the electron is as follows: F→=-ev→×B→…

Q: Question 18 James makes two electromagnets, as shown in the figure below:

A: Since the magnetic field depend upon the current and the current is  Proportional to voltage so…

Q: The magnetic field lines of a bar magnet (outside) are directed from _________ Select one: a. south…

A: Question-  magnetic field line  direction  ?

Q: The magnetic pole near the Earth's north geographic pole is a south magnetic pole. scientists have…

A: opposite magnetic poles attracts each other while same magnetic poles repels each other. Hence, The…

Q: Give the SI unit of magnetic dipole moment. a) A-2m b) Am-2 c) A2m d) Am2

A: Introduction: When a current-carrying coil is suspended in a magnetic field, it experiences a…

Q: The magnetic field in a given region is uniform. Draw a diagram to represent it

A:

Q: Which of the following is a property associated with strong permanent magnets? Materials with this…

A: Permanent magnets are the magnets which don't loose their magnetism with time . Electromagnets are…

Q: How can a magnet produce a magnetic field? a by some other forces in the magnet aside from the…

A:

Q: The magnetic field is moving to the right and the charge is moving into the page. What is the…

A: This is a question regarding the force on a charged particle due to its motion is a magnetic field.…

Q: Question 15 Copper is a good electrical conductor, when copper is alloyed with nickel, it becomes an…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: The invisible field surrounding all magnets exerts forces on the of other magnets. O a north pole…

A: Space surrounding a magnet in which magnetic force is executed, is called magnetic field. A magnetic…

Q: When two parallel wires carry currents in the same direction, they are? a)repelled due to the…

A: The question is asking about the interaction between two parallel wires carrying currents in the…

Q: An electron is moving with constant velocity in a region of space with uniform magnetic field as…

A: The direction of velocity is given : Ve→ towards right ,

Q: A thicker wire may carry a greater amount of electricity. What will happen if you go from a thicker…

A:

Q: A current carrying conductor is placed between the poles of a magnet. If the magnetic field,…

A:

Q: Describe how to plot the magnetic field pattern of a magnet using a compass.

A: Step 1 The compass is a device that is used to find direction with the help of the magnetic field of…

Q: Which of the following statements is NOT true about applications of electricčal and mae Select the…

A: which of the following statement is NOT true about  applications of electrical and magnetic physics…

Q: If a current-carrying wire is pointed into the sky (+z), what direction is the force on it if the…

A:

Q: The amount of work done by magnetic force in displacing a charged particle Select one: O Depends on…

A: Magnetic force: It is a force of attraction or repulsion that arises between the electrically…

Q: Which of the following is NOT a similarity between magnets and electrical charges? There are…

A: Force between like poles  or like charges  are repulsive  in nature and between unlike poles or…

Q: O Two south poles are facing each other Two north poles are facing each other A north pole is facing…

A: From the diagram, we can see that the magnetic field lines of the magnetic are turning away from…

Q: Which of the following causes electrons in a wire to move as an electric current?

A: a) magnetic force between off switches

Q: The nail picks up the paper pieces. Chose the correct explanation for this. (9a)

A: This is a case of an electromagnet when the wire is coiled around an iron nail and then connected…

Q: The Millikan Oil Drop Experiment proved that... electrons have a positive charge. electric charge…

A: Millikan oil dropped experiment proved that charges are a simple multiple of a single integer which…

Q: Determine the direction of the force that will act on the charge in each of the following…

A: Since force on charge particle in a electric and magnetic field is given by, F = qE + qv×B

Q: a negatively charged particle moves to the right when it enters a magnetic field in the plane of the…

A: The Right hand rule is used to determine the direction of the magnetic field-   Thumb: Velocity of…

Q: Which of the following are true statements about magnetic field lines A small compass will point in…

A:

Q: a. is a force between two objects (or surface) that is in contact with one another. is an attractive…

A: As per guidelines , only 3 sub-parts are solved here. 1.a) The force which is acted between two…

Q: Which of the following is TRUE when a charged particle moves parallel to a magnetic field?  a It…

A:

Q: Give the SI unit of magnetic permeability of free space. a) T A m-2 b) T A-2 m c) T A-1 m d) T A…

A: To find:  SI unit of magnetic permeability of free space.

Q: A freely suspended magnet rests in the geographic . direction. O a. north-east O b. west-north O c.…

A: Solution: magnetism of earth

Q: An electron is moving in a direction indicated by the arrow. The magnetic field lines are shown.…

A: Recall FB→=q(V→×B→)as charge is negative so direction of force will be oposite to V→×B→

Q: Magnetic and electric fields are said to exert forces on charged particles. How do they differ from…

A: Given, Magnetic field , Electric field and  Moving and static charge

Q: Q21 - A positive charge is moving out of paper in a magnetic field directed towards north. The…

A: According to question: A positive charge is moving upward then corresponding current also upwards.

Q: which of the following is not a property of the magnet attracts magnetic materials like poles repel…

A: Magnet: Its a material or substance that develops magnetic field.

Q: A positively charged particle moving upwards enters a magnetic field directed due east. Which of…

A: Right Hand Rule-1 : Point your thumb of right hand in direction of motion of positively charge…

Q: Which of the following describes the similarities between electric and magnetic fields?   a Both…

A: Option B is correct. Reason: you can see that when a South pole comes in contact to South pole it…

Q: Which will affect the magnitude of the magnetic force? a strength of the magnetic field b…

A: Let the current =  I Let the length of the wire = L Let the magnetic field strength = B Let the…

Q: How do you determine the magnitude and direction of a magnetic field due to a current-carrying wire…

A: The magnitude of the magnetic field due to a current-carrying wire is calculated as, Here, μ0 is…

Q: Which of the following are accurate statements about permanent magnets and magnetic fields?…

A: Magnetic field: Magnetic field is the area near a magnet where a magnetic object or an electric…

Bar Magnet

In physics, magnetism is a phenomenon exhibited by a magnetic substance that exerts either attractive or repulsive force. A bar magnet is either a rectangular or round and hollow fit comprised of ferromagnetic materials and has a fanciful attractive field surrounded by it.