A copper loop hangs from two strings, as shown. In which direction (toward or away from the magnet) does the loop swing if the magneta. Is stationary?b. Is moving toward the loop?c. Is moving away from the loop?

Q: Which statement best describes the magnetic field lines (flux lines) around a single bar magnet? A.…

A: Required : Which statement best describes the magnetic field lines (flux lines) around a single bar…

Q: A current loop is shown below. Match the answers with questions. the direction of the magnetic…

A: In the figure, a loop is presented where a current is flowing in the counterclockwise direction we…

Q: A ring rotates around the Y-axis in a magnetic field B=b0sinwt ax Wb/m2. The voltage induced in the…

A: when ring rotates then the flux through ring vary which can cause the flux to change due to which an…

Q: If the second coil is move away from the first coil, the induced magnetic north pole in coil 2 would…

A: Concept and explanation:- We know that whenever the number of magnetic lines of forces, or magnetic…

Q: A magnet is suspended next to a solenoid and is free to rotate. When current flows in the solenoid…

A: The given problem can be solved by using Lenz's law, according to Lenz's law the direction of the…

Q: The commutator-brush system in the simple DC motor you studied functions to A. flip the current…

A: The commutator reverse the current in the armature every revolution to keep the motor rotating!…

Q: Q18: A circular loop of area 10 cm darrying 8 A is placed in a uniform magnetic field parallel to…

A:

Q: How big is the pulling force? A7.00-cm-long wire is pulled along a U-shaped conducting rail in a…

A: Given Length l         = 7.00 cm = 0.07 m   Resistance R = 0.320 Ω Velocity v      = 4.00 m/s Power…

Q: Which of the following statements is/are TRUE when the shown bar magnet is retracted from the…

A: Option  (b) is correct

Q: Q12: A rod (length = 5.0 cm) moves on two horizontal frictionless conducting rails, as shown in the…

A:

Q: A light conducting ring is placed on top of an iron core with a wire wrapped around it as shown.…

A:

Q: Deflection reverses when the poles of the magnets are reversed. This direction of deflection shows…

A: Given : Poles of magnet are reversed. Direction of deflection shows the direction of current.

Q: A conducting loop around a bar magnet begins to move away from the magnet. Which of the following…

A: From the lenz law we know that induced current flow in such a direction that it opposes the change…

Q: Consider a stationary silver ring immersed in a uniform magnetic field as shown. I magnitude of the…

A: Required : The correct option.

Q: There is a 40 cm long solenoid  that has 600 wire loops. If Jim uses a magnetic sensor near the…

A:

Q: Q8. What if you were to start with the south pole of the bar magnet sitting in the front half of…

A: A magnetic field is created by an electric current flowing through a wire.

Q: Q14. Magnetic field inside a solenoid is .  A. Strong at N pole and weak at S pole B. Strong at S…

A: The magnetic field within the solenoid is uniform and parallel to the axis of the solenoid.

Q: Current Attempt in Progress A 74.8-kg diver is standing at the end of a diving board while it is…

A:

Q: If the magnetic field is in the positive x-direction, the magnetic force acting on the positive…

A: direction of the force can be found be using Fleming's left hand rule If you are not familiar with…

Q: A metal wire is resting on a U-shaped conducting rail, as shown. The rail is fixed in position, but…

A: Using the Lenz’s law, the current will flow from Counter Clockwise through the square loop. Through…

Q: В current D

A: Concept used: Field lines inside the solenoid move from South pole to North pole to form closed…

Q: 17. A cross sectional view through the middle of an in- finitely long solenoid of radius R is shown…

A: We will first write an expression for magnetic field due to solenoid. We then use this expression to…

Q: The region of no attraction(zero force) in a magnet is Select one: O a. at both the ends of the…

A: The  force is zero means the resultant magnetic field is zero at that point.

Q: If another coil of wire (coil 2) is move towards the existing current-carrying coil, the induced…

A: Solution: Lenz law states that current in the coil will be induced in the direction which opposes…

Q: 1. The metal sphere in figure hangs by a thread. When the north pole of a magnet is brought near,…

A: A metal sphere is a neutral sphere. It carries the same amount of north and south poles.

Q: 6) wire with a resistor of 3002. A uniform magnetic field of magnitude B = 0.5 T points into the…

A: Faraday's law:- It states that  rate of change of magnetic flux is equal to the emf produced .  e =…

Q: 2. The Transformer shown below has 3000 windings on the "A" solenoid (the inner solenoid) and 600…

A:

Q: The metal sphere in figure hangs by a thread. When the north pole of a magnet is brought near, the…

A: According to magnetic properties, different materials are classified into  (1) Diamagnetic…

Q: A moving, positively charge particle enters a region that contains a uniform magnetic field as shown…

A:

Q: If number of turns (N), area (A) and magnetic field (B) have same value for a square and circular…

A: Using formula for torque in current carrying loop in magnetic field

Q: Which of the following is NOT a factor in determining the torque on a loop of wire? A. the current…

A: The turning effect of magnetic force is called torque. When a current carrying loop is exposed to…

Q: Q.)What's the maximum permitted deviation for a magnetic compass? A. 10 degrees B. 3 degrees C. 1…

A: Magnetic compass In navigation or surveying, a magnetic compass is a tool that uses a magnetic…

Q: Upon which one or more of the following does the magnetic energy of a coil that carries a current…

A: The strength or intensity of a coils magnetic field depends on the following factors. The number of…

Q: A circular 12-turns coil with a 6 [cm] radius lies in the z 0 plane and carries a current of 1.2 (A]…

A:

Q: PART A: Consider a bar magnet sitting to the left of a coil. if the N pole is closest to the coil,…

A:

Q: 19. If I'm rotating a loop of wire over a magnetic field, such that is the angle between the B-field…

A: We will first write an expression relating potential difference induced in the loop to the magnetic…

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.