Consider a straight wire in the plane of this paper and parallel to this printed line. If the wire carried a conventional current from left to right, what would be the directions of the magnetic field on each side of the wire? (Make a sketch)

Q: What is the direction of the magnetic force on a positive charge for the diagram shown below, where…

A: For a charge moving in magnetic field, direction of magnetic force is given by cross product rule.

Q: What is the magnetic force experienced by a current-carrying wire oriented parallel to a uniform…

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Q: between two north magnetic poles? Which diagram correctly represerits the agne O b. Od.

A: b) represents the magnetic field lines between two magnetic north poles.

Q: A blank compass is shown on top of a bar magnet. In which direction would the north arm of the…

A: Answer : - Left We know that the opposite magnetic poles attract each other, as the pointer of…

Q: A current-carrying wire in the form of a semicircle lies in a plane at right angles to the direction…

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Q: A student makes a magnet by winding wire around a nail and connecting it to a battery, as shown in…

A: Given Information: System consist of a pointed nail wounded by wire and wire ends are connected to a…

Q: In the figure below, if the magnetic poles were reversed AND the current in the wire were reversed,…

A: Given data The direction of the magnetic field is inside the page is B→=B-k^ The direction of…

Q: Write together with the unit of force in which both the electric field and the magnetic field are…

A: Lorentz force is defined as the combination of the magnetic and electric force on a point charge due…

Q: Give in 5 each the relationship of charge, velocity, magnetic field, and the angle with: a. Magnetic…

A: When any charge moves in magnetic field it experiences magnetic force.

Q: In the diagram below, a negative charge is moving in the direction of the green arrow. There Is a…

A: Given The electron is moving in + axis The magnetic field is directed into the page ( -y axis)

Q: What does this table tell us about how changes in the length will affect the force acting on a wire…

A: Actual Mass: ma = 175.05 g Length of wire changes from 1.2 cm to 6.4 cm Apparent mass of wire varies…

Q: An electric current of I = 0.75 A flows through a long, straight wire. The wire lies in the plane of…

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Q: If you move the coil in the above figure toward the N pole of the large electromagnet, which…

A: It is given in the question that magnetic field is constant with time and it is uniform in space.

Q: ,what are the magnitude and direction of the magnetic field at point A?

A: Given; Initial electric field, E=160V/m Rate of change of electric field, dEdt=13.0Vm-1s-1 Radius of…

Q: In the region of space pictured there is a constant magnetic field pointing out of the screen with a…

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Q: The following: A very long straight current wire that produces a magnetic field of 20 mT at a…

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Q: If a compass is placed above a current-carrying wire the needle will line up with the field of the…

A: Magnetic field due to wire and its direction:

Q: Which of the compass needle orientations in the figure above might correctly describe the magnet's…

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Q: Determine the magnetic field direction that causes the charged particle shown in (Figure 1) (b) to…

A: B) A force is experienced by a charged particle when moving in a magnetic field and its direction…

Q: See the attached picture, what is the direction of the force on the current-carrying conductor…

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Q: A positive charge of 0.25 C moves horizontally to the right at a speed of 2.0x10^2 m/s and enters a…

A: Given data The magnitude of the positive charge is given as q = 0.25 C. The speed of the charge is…

Q: If the magnetic field at the center of a single loop wire with a radius of 2.4cm is 0.014T,…

A: Given Initial radius = 2.4cm Final radius = 6.8cm Magnetic field = 0.014T

Q: According to the Right-Hand- Rule, the magnetic force on a free- moving charge is perpendicular to…

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Q: Which diagram correctly represents the magnetic field lines between two south magnetic poles?

A: For 1st question Light gets totally internally reflected at  (b) core -cladding boundary

Q: The figure below is a perspective view of a flat surface with area 3cm? in a uniform magnetic field.…

A: Given data: Surface Area (A) = 3 cm2 = 3 × 10-4 m2 Magnetic flux (Φ) = +0.9 mWb = +0.9 × 10-3 Wb…

Q: What is the speed of the rotating magnetic field called?

A: Answer : Synchronous speed.

Q: Which direction does the magnetic field due to the bottom wire point in?

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Q: An electric current of I = 0.45 A flows through a long, straight wire. The wire lies in the plane of…

A: Basic Details The magnetic field due to a wire depends on the amount of current and the distance…

Q: Use the right hand rule 1 to determine the velocity of a charge, the direction of the magnetic…

A: The expression for the magnetic force (F) is given as, F=q×(B×v) Here,  q denotes the magnitude of…

Q: direction of the magnetic field using the right hand rule

A: According to the right-hand rule: At point A: Current is outward to page then the direction of…

Q: Three wires, all carrying currents of 3Aare sitting at the corners of a square into the page shown…

A: Given data The magnitude of the current at all point is I1 = I2 = I3 =I = 3A The length of the…

Q: For the situation below, find the direction of a magnetic field that could cause the particle to go…

A: Given : particle is negative charged  direction of Electric field : from right to left  So, the…

Q: The end of the needle that points north is an ______, while the magnetic pole at geographic north is…

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Q: Using the Right-Hand Rule, what is the direction of magnetic field induced by a current-carrying…

A: Fleming right hand rule gives a relation between the directions of the current and the direction of…

Q: Write the Biot-Savart law and explain briefly what each term in it represents. Explain also the…

A: BIOT SAVART LAW: It  is used to find magnetic field near a current carrying "i" in conductor…

Q: Considering magnetic forces, how are forces at distance explained?

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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.