c) For the bar magnets shown below, draw the magnetic field/pattern around them as they have been arranged and state whether a neutral point exist or not. N magnet magnet

A bar magnet falls through a loop connected to a galvanometer as shown in the figure. Which of the following statements is true? N The galvanometer needle will deflect to the right, then to the left. The galvanometer needle will not deflect at all. The galvanometer needle will deflect to the right. The galvanometer needle will deflect to the left, then to the right.

A circular coil 15.0 cm in diameter and containing nine loops lies flat on the ground. The Earth's magnetic field at this location has magnitude 5.00 x 10-5 T and points into the Earth at an angle of 53.0 ° below a line pointing due north. A 6.90-A clockwise current passes through the coil. Part A Determine the torque on the coil. Express your answer using three significant figures and include the appropriate units. HA Value Units Submit Request Answer

true or false? parts d and e only

Question 6 As shown in the figure, a right triangle current loop (with its dimension of AB-8.39m; BC-5.01m) carries a current of 1-1.70A in a uniform magnetic field. The magnetic field is directed to the left and has a magnitude of B-1.47T. Find the magnitude of the magnetic force (unit in N) on the whole triangle. B A

Write a word problem with the picture below. You can pick your own numbers and find the radius or the distance of the helical coil or the electric force or magnetic force.

At a certain location, the horizontal component of the earth's magnetic field is 2.1 × 10-5 T, due north. A proton moves eastward with just the right speed, so the magnetic force on it balances its weight. Find the speed of the proton. Number i Units

a) The figure shows the motion of a positive particle moving in a magnetic field, similar to what was observed in our lab. The force on the particle and its velocity are indicated in the figure. What is the direction of the magnetic field? F b) In what direction should you move the magnet so as to induce the counterclockwise current shown? Draw an arrow indicating this direction. counterclockwise induced current v =? N S

x aix When the particles a, b, c and d are released with the same charge q, they move in the plane of the paper. with the same speed v in different directions in a region of constant magnetic field B, as shown in the figure, which of the following correctly describes the magnitude and direction of the magnetic force acting on a particle? Choise a) The magnetic force acting on a has a direction towards Z and has a magnitude of qvB. 6) The magnetic force acting on b is directed away from point Z and has a magnitude of qvB. c) The magnetic force acting on c has a direction towards Z and has a magnitude of qvB. The magnetic force acting on d has a direction towards Z and has a magnitude of qvB.

A wire having a mass per unit length of 0.002 g/m carries an unknown current horizontally to the right. The wire is in a magnetic field of 0.10 T pointing into the page. a.   Create a drawing and a free body diagram for this situation What current in the wire is needed in order for the wire to be in magnetic levitation?