The magnetic field at point P due to a 2.0-A current flowing in a long, straight, thin wire is 8.0 µT. How far is point P from the wire 2.5cm 0.05m 4cm 6 cm

In a 72 cm wire, a 6.4 A of electrical current is at a right angle to a uniform magnetic field. If the force acting on the wire is 0.69 N, calculate the strength of the magnetic field. O 0.08 T O 15.0 T O 80.0 T O 0.150 T

What is the magnitude and direction of the acceleration on the electron in a 3T magnetic field ( -k) and an 800 V/m (-j) electric field, shown below (neglecting gravity), if its velocity is 300 m/s? X X X B= 3.0 T X X X X X X X X X X E=800 V/m 3.512 EE+13 m/s2 (j) -3.512 EE+13 m/s2 (j) 3.512 EE-13 m/s2 (k) 2.489 EE+13 (j) -2.489 EE+13 (j)

1. An electron has a velocity v = (2 x 106 m/s) i +(3.0x 106 m/s)j moves through a uniform magnetic field B = (0.030 T) ? - (0.15 T)j. (a) Find the force on the electron due to the magnetic field. (b) mass of electron is 9.11 x 10-31 kg what will be the radius of the circular path for the electron in the magnetic field?

1 -1 y (cm) Long wires a b C 0 x (cm) 2 Calculate the magnitude of the magnetic field at point a in the figure. The current in the wires at y = 1.00 cm and y = -1.00 cm is 11.0 A. Magnitude:

An electron is moving in a circular orbit of radius 2 mm in a uniform 0.50 T magnetic field perpendicular to the velocity of the electron. What is the speed of the electron? Consider: The charge of an electron = 1.6 x 10-19 C The mass of an electron = 9.1 x 10-31 kg !3! 878

A circular coil of wire of 200 turns and diameter 5 cm carries a current of 4 A. It is placed in a magnetic field of 0.70 T with the plane of the coil making an angle of 30° with the magnetic field. What is the torque on the coil? 2.5 N·m 1.8 N.m 0.48 N.m 0.95 N·m

A 0.30 m long wire with a mass of 0.008 kg carries 1.5 A and is placed in a magnetic field The magnetic force on the wire is sufficient to support the wire's weight. Assume all alignments are perpendicular. What is the strength of the magnetic field? 0.0353 T 5.74 T 0.174 T 0.0157 T

Two long parallel wires 20 cm apart carry currents of 5.0 A and 8.0 A in opposite directions. What is the magnitude of the net magnetic field midway between the wires? O 1.3 x 10-5 T 1.0 x 10-5 T 2.6 x 10-5 T 6.0 x 10-6 T 1.6 x 10-5 T

-27 kg is The charge of an electron and a proton are both equal to q = 1.602 x 10-19 but the mass of a proton mp = 1.673 x 10 much larger than the mass of an electron me = 9.11 x 10-31 kg. If a proton and an electron move at the same speed in a circular path in a uniform magnetic field, what is the ratio of the radius of the proton's circular path r, to the radius of the electron's circular path Image size: s ML Max re. In other words what is rp/re? Note: the picture of the circular paths for the electron and proton are not drawn to scale. メ re Please enter a numerical answer below. Accepted formats are numbers or "e" based scientific notation e.g. 0.23, -2, 1e6, 5.23e-8