An electron moves at a speed of 8 x 10^5 m/s in a uniform and perpendicular magnetic field of 0.30 T. The magnetic force exerted on the electron is: a) 0 N b) 3.8 x 10^-14 N c) 2.2 x 10^-5 N d) 2.2 x 10^-14 N

What is the force exerted on a 3.5 m length of wire carrying 6.0 A of current through a magnetic field of 0.50 T? A 0.86 N B 9.0 N с 11 N D 84 N

A particle of a charge q=1.602x10^-18C moves vertically with velocity 1.8x10^7 m/s through a magnetic field of strength 400T. The magnetic field is at an angle of 29degrees as shown in the picture. What is the magnitude of the magnetic force on the electron? A) 10.09nN B) 0nN C) 11.53nN D) 5.59nN 720nN

A particle with a charge of q = -5.20 nC is moving in a uniform magnetic field of B =(-1.24 T ) 2. The magnetic force on the particle is measured to be F =(-7.60x10-7 N )âŷ.

A long straight wire length 6.5 metres has a current of 3.5 amps flowing through it.  The wire is in an external magnetic field of 16.2 mT. Calculate the magnitude of the force on the wire in Newtons, to 2 significant figures

B1) A proton moving (along +x- axis) with the speed 3.2 x 10 5 m/s enters in a uniform magnetic field B of 0.9 T directed along negative y-axis (-y- axis). The angle between velocity and magnetic field is 90°. Find the magnitude of magnetic force acting on the proton. Charge of the proton is 1.6x10-19. C B2) A wire carrying 20 A of current has a length of 23.5 cm in a magnetic field of 1.25 T. Find the force on the wire if the angle between the wire and the magnetic field lines is 45°.

A proton travels with a speed of 4.90 x 106 m/s at an angle of 62° with the direction of a magnetic field of magnitude 0.240 T in the positive x-direction. (a) What is the magnitude of the magnetic force on the proton? N (b) What is the proton's acceleration? m/s²

3. A proton moving at speęd 4.00x10° m/s and angle e through a magnetic field of magnitude 1.70 T. The proton experiences a magnetic force of magnitude 8.20x1013 'N. What is the angle between the proton's velocity and the magnetic field? NOTE: qproton=1.6x10-19 C a) O 58.7° 38.9° b) O c)o 68.9 ° 35.3° d) O e) O 48.9 ° Leave blank

Q1) Example 11.1: Page No. 498: (Practice) An alpha-particle of charge 3.2 x 10 19 C moves through a uniform magnetic field of 1.5 T. What is the maximum magnetic force on the alpha-particle when it is moving with a speed of 5.0 x 10 m/s? Q2) Problem 23: Page No. 525: (Practice) An electron moving at 4.00 x 10 m/s in a 1.25-T magnetic field experiences a magnetic force of 1.40 x 10 N. What angle does the velocity of the electron make with the magnetic field? Q3) Problem 33: Page No. 526: An alpha-particle (m-6.64x10"kg, q=3.2×101°C) travels in a circular path of radius 25 cm in a uniform magnetic field of magnitude 1.5 T. (a) What is the speed of the particle? (b) What is the kinetic energy in electron volts? (1 electron-volt = 1.602x10 9 joule) Q4) Problem 25: Page No. 525: (Practice) A cosmic-ray electron moves at 7.5x10 m/s perpendicular to Earth's magnetic field at an altitude where the ficld strength is 0.1 G. What is the radius of the circular path the electron follows? F00…

A 50.0 centimeter long straight copper wire carrying a current of 2.3 A, makes an angle of 45 degrees with a uniform magnetic field which has a magnitude of 2.0 x 10¹2 T. What is the magnitude of the magnetic force on this current-carrying wire? 2.3 x 10-² N 0.5 N 1.6 x 10.² N 2.0 N