4.) For the slidewire generator below, the magnetic field is a constant 2.0 T into the...
A charged particle is moving in a uniform, constant magnetic field. Which one of the following statements concerning the magnetic force exerted on the particle is false It does no work on the particle. It increases the speed of the particle. It changes the velocity of the particle. It can act only on a particle in motion. It does not change the kinetic energy of the particle. A circular current loop with radius of 0.100 m is located in the...
A flexible circular loop 0.10 m in diameter lies in a magnetic field of 1.80 T, directed into the plane of the diagram. The loop is pulled at the points indicated by the arrows, forming a loop of zero area in 0.20 s. Find the induced emf in the circuit. What is the direction of the current through R (up or down)? 16b. A rectangular conducting loop 0.25 m on a side lies in a magnetic field directed into the...
Please Answer! Thank you! 1. The coil of a generator has a radius of 0.13 m. When this coil is unwound, the wire from which it is made has a length of 6.00 m. The magnetic field of the generator is 0.36 T, and the coil rotates at an angular speed of 34 rad/s. What is the peak emf of this generator? 2. A conducting coil of 2200 turns is connected to a galvanometer, and the total resistance of the...
Q1. A magnetic field points perpendicularly into a 2.0 cm x 4.0 cm rectangular coil with 120 turns and 0.25 Ω total resistance. At a certain instant, the magnetic field strength is 0.22 T and it is increasing at a rate of 2.5 T/s a) The induced current in the coil is a. clockwise. b. counter clockwise. b) Calculate the instantaneous induced current in the coil.
can you please show me how to do each of these thank you! The magnetic field in the region between the poles of an electromagnet is uniform at any time, butis a point) increasing at the rate of 0.020 T/s. The area of the conducting loop in the field is 180 cm?. What is the magnitude of the induced emf? 0.12 mV 0.90 ml 0.11 mV 0:0.36 mV A rectangular loop with area A rotates with constant angular velocity o...
A conducting rod is pulled horizontally with constant force F= 4.80 N along a set of rails separated by d= 0.620 m. A uniform magnetic field B= 0.500 T is directed into the page. There is no friction between the rod and the rails, and the rod moves with constant velocity v= 6.60 m/s. A.) Using Faraday's Law, calculate the induced emf around the loop in the figure that is caused by the changing flux. Assign clockwise to be the...
1) The armature of an ac generator is a rectangular coil 2.00 cm by 6.00 cm with 80 turns. It is immersed in a uniform magnetic field of magnitude 0.250 T. If the amplitude of the emf in the coil is 22.0 V, at what angular speed is the armature rotating? _______rad/s 2) The magnetic field between the poles of an electromagnet is 3.30 T. A coil of wire is placed in this region so that the field is parallel...
Consider at time t= 0, a uniform a magnetic field (directed out of the page) B = 6.0tis turned on as shown below. The loop has radius 20.0 cm and it is connected to a resistance R = 5.0 92 shown as below. What is the magnitude of the induced emf and the current in the loop at t=2.5 sec? Is the direction of induced emf clockwise or counterclockwise in the loop? M R = 592
A generator is constructed by rotating a coil of N turns in a magnetic field B at a frequency f. The internal resistance of the coil is R and the cross sectional area of the coil is A. The average induced EMF doubles if the magnetic field B is doubled. The average induced EMF doubles if the area A is doubled. The average induced EMF doubles if the frequency f is doubled. The average induced EMF doubles if the resistance...