Inductance
4. (4) Consider an air-core solenoid with a circular cross-section, radius 8.00 mm and length 20.00 cm, and exactly 350 windings. If a current of 4.75 mA is sent through the solenoid
(a) If the current is going through the coils clockwise as seen from above the coils, sketch the magnetic field that is generated
(b) Determine the magnitude of the average magnetic field inside the solenoid
(c) Determine the inductance of the solenoid
Inductance 4. (4) Consider an air-core solenoid with a circular cross-section, radius 8.00 mm and length...
Magnetism 1. (4) An unknown particle travelling at a velocity of 2.20x106 m/s to the right as seen by an observer, enters a region that has an electric field of magnitude 750 V/m pointed away from the observer. Ignore gravity for this question. (a) What is the direction and magnitude of the perpendicular magnetic field which would best cancel out the effect of the electric field so that the particle passes through undeflected? (b) If while travelling 0.200 m, with...
A 45.0 mA current is carried by a uniformly wound air-core solenoid with 435 turns, a 19.5 mm diameter, and 14.0 cm length. (a) Compute the magnetic field inside the solenoid. (b) Compute the magnetic flux through each turn. (c) Compute the inductance of the solenoid. (d) Which of these quantities depends on the current? (Select all that apply.) magnetic field inside the solenoid magnetic flux through each turn inductance of the solenoid
A 43.0 mA current is carried by a uniformly wound air-core solenoid with 420 turns, a 13.0 mm diameter, and 11.0 cm length. (a) Compute the magnetic field inside the solenoid. HT (b) Compute the magnetic flux through each turn. Tm2 (c) Compute the inductance of the solenoid. mH (d) Which of these quantities depends on the current? (Select all that apply.) magnetic field inside the solenoid magnetic flux through each turn m inductance of the solenoid
Assume that the air-core toroid has a circular cross-section of radius 4 mm. Find the inductance of the toroid if there are 3500 turns and the mean radius is r = 40 mm. If the flux density is 0.6 T, determine the flux from the circular cross-section of radius 4 mm. 4. (15 Marks)
A solenoid has a length of 36 mm and a radius of 4.4 mm, and consists of 500 circular turns. If a current of 2.4 A is passed through the solenoid, what is the magnetic field at the center (inside the solenoid)?
The solenoid shown below has length l = 0.15 m and cross-sectional area A = 3.5 × 10-4 m2. Its self-inductance is L = 25 mH. A current I of 2.5 amps flows through its coils in the direction shown in the figure. 2. How much magnetic energy, Um, is stored in this solenoid? 3.What is the magnetic field inside the solenoid. (a) B = 14 mT (b) B = 36 mT (c) B = 48 mT (d) B = 61 mT (e) B =...
a. A coil of wire with 209 circular turns of radius 3.10 cm is in a uniform magnetic field along the axis of the coil. The coil has R = 41.5 Ω . At what rate, in teslas per second, must the magnetic field be changing to induce a current of 0.149 A in the coil? b. A closely wound rectangular coil of 90.0 turns has dimensions of 30.0 cm by 47.0 cm . The plane of the coil is...
A very long solenoid with a circular cross section and radius r1= 1.20 cm with ns= 230 turns/cm lies inside a short coil of radius r2= 4.80 cm and Nc= 25 turns. A) If the current in the solenoid is ramped at a constant rate from zero to Is= 1.10 A over a time interval of 45.0 ms, what is the magnitude of the emf in the outer coil while the current in the solenoid is changing? B) What is...
A solenoid of length 40.0 cm is made of 9000 circular coils. It carries a steady current of 13.0 A . Near its center is placed a small, flat, circular metallic coil of 250 circular loops, each with a radius of 2.00 mm . This small coil is oriented so that it receives half of the maximum magnetic flux. A switch is opened in the solenoid circuit and its current drops to zero in 25.0 ms . What was the...
What is the radius of a tightly wound solenoid of circular cross-section that has 130 turns if a change in its internal magnetic field of 4.0 T/s causes a 4.5 A current to flow? The resistance of the circuit that contains the solenoid is 17 Ω. The only emf source for the circuit is the induced emf.