5) I've got a uniform magnetic field of strength 100 mT. How quickly in terms of...
5) I've got a uniform magnetic field of strength 140 mT. How quickly in terms of frequency) must I spin a coil with resistance 10 ml and a radius of 3 cm in order to produce a 150 mA RMS-averaged current? Assume that the coil starts with its area fully exposed to the magnetic field. Answer:. Submit All Answers
5) I've got a uniform magnetic field of strength 180 ml. How quickly in terms of frequency) must I spin a coil with resistance 50 m 110 mA RMS-averaged current? Assume that the coil starts with its are fully exposed to the magnetic field. and a radius of 2 cm in order to produce a Answer:
Q2: EM Induction Problem Statement A uniform magnetic field is applied perpendicular to the plane of a 60-turn circular coil with a radius of 6.0 cm and a resistance of 0.60 12. If the magnetic field increases uniformly from 0.20 T to 1.8 T in 0.20 s, what is the magnitude of the emf induced in the coil? Visual Representation • Draw a sketch or circuit diagram. • Indicate the direction of the applied magnetic field • Is the flux...
A flat coil of wire consisting of 20 turns, each with an area of 10 cm, is positioned perpendicularly to a uniform magnetic field that varies with time according to B=2.5 f. where t is measured in s and B in T. If the coil has a total resistance of 0.10 9, what is the magnitude of the induced current at 0.8s? a. 0.20 A b. 0.60 A c. 0.50 A d. 0.80 A e. None of the above At what frequency...
A generator almost always contains a coil of wire inside a magnetic field. The coil shown below has N turns and a radius of R. It is rotating in a magnetic field of strength B at an angular frequency o. This means that the angle between the area vector of the coil and the magnetic field is = wt. х a. What is the induced emf in the coil as a function of time? b. If the left side of...
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...
An electron moves in the negative x direction, through a uniform magnetic field that is in the negative y direction. The magnitude force on the electron is: a) is the negative x direction B) in the positive y direction C) in the negative y direction D) in the positive z direction E) in the negative z direction At a distance R from a current carrying wire, what is the direction of the magnetic field relative to the wire? A) in...
A coil 4.35 cm radius, containing 450 turns, is placed in a uniform magnetic field that varies with time according to B = (1.20x10-2 T/s)t + ( 3.20x10-5 T/s)t4. The coil is connected to a 540Ω resistor, and its plane is perpendicular to the magnetic field. You can ignore the resistance of the coil. Part A Find the magnitude of the induced emf in the coil as a function of time. Part B What is the current in the resistor at time to...
Need a help from 7 through 12 7. A square coil is in a uniform magnetic field that is perpendicular to the plane of the coil and directed into the screen, as shown. If this magnetic field begins to increase in magnitude what will the induced current in the coil be? a. directed into the screen b. zero C. clockwise d. counter-clockwise e. directed out of the screen 8. A 0.20 H inductor is located in a branch of some...