A solenoid has a radius Rs 15.0 cm, length L 3.50 m, and Ns 6500 turns....
4) Induction Effect. A very long solenoid of radius R-2.5 cm has n 5 turns/cm. Starting from an initial current of io 50 A at 1 = 0, a steadily increasing current is driven through the coils of the solenoid, at a rate of didt = 10 A/s. The solenoid is surrounded by a square flat "pickup" coil of N= 100 turns and of side lengthに10 cm (oriented with its plane perpendicular to, and its center at, the solenoid axis)....
A solenoid of length 40 cm has 380 turns of radius 2.2 cm. A tightly wound coil with 12 turns of radius 5.8 cm is placed around the solenoid. The axes of the coil and solenoid coincide. Find the emf induced in the coil if the current in the solenoid varies according to I=5.8sin(50πt) A. Answer: ______ cos(50πt) mV
A solenoid has a length of 28 cm, a radius of 0.5 cm, and 375 turns, and carries a 3.5-A current. Find B on the axis at the center of the solenoid. Find the flux through the solenoid, assuming B to be uniform. Find the self-inductance of the solenoid. Find the induced emf in the solenoid when the current changes at 145 A/s.
A 280 turn solenoid with a length of 21.0 cm and a radius of 1.80 cm carries a current of 2.10 A. A second coil of four turns is wrapped tightly around this solenoid, so it can be considered to have the same radius as the solenoid. The current in the 280 turn solenoid increases steadily to 5.00 A in 0.900 s. (a) Use Ampere's law to calculate the initial magnetic field in the middle of the 280 turn solenoid....
5) A solenoid comprises 500,000 turns of wire and is 10 cm long
and 1.0 cm in radius.
a) Find the resultant magnetic field inside the coil if a current
of 1 μA flows through the wire.
b) How would this change if the core is filled with mumetal (μ =
300 μ0 ).
6) The solenoid of Q5 is placed in a region where the perpendicular
magnetic field strength is varying sinusoidally by 20 μT at a rate
of...
A solenoid of radius 2.60 cm has 350 turns and a length of 15.0 cm. (a) Find its inductance. =___mH (b) Find the rate at which current must change through it to produce an emf of 72.0
A solenoid has 495 closely spaced turns, a length of 12.0 cm, a radius of 3.00 cm, and carries a current of 18.5 A. Determine the magnitude of the magnetic flux through the following. 12R FR R2 (a) the disk-shaped area of radius twice that of the solenoid that is perpendicular to and centered on the axis of the solenoid as shown in the figure What is the definition of magnetic flux through a region? For this part, what is...
4. A 500-turn solenoid has a length of 10.0 cm and a radius of 1.00 cm. (a) If you are facing the opening in the front of the solenoid, what current would be needed in the solenoid (magnitude and direction) to generate a magnetic field of 2.51 x 10T pointing directly towards you? (6) A second coil of ten turns is wrapped tightly around the solenoid, so it can be considered to have the same radius as the solenoid. The...
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 circular coil that has 120 turns and a radius of 10.0 cm lies in a magnetic field that has a magnitude of 0.0650 T directed perpendicular to the coil. What is the magnetic flux through the coil? (Express your answer to three significant figures.) The magnetic field through the coil is increased steadily to 0.100 T over a time interval of 0.300 s. What is the magnitude of the emf induced in the coil during the time interval? (Express...