Question

A solenoid of length 3.00 cm and radius 0.350 cm has 21 turns. If the wire of the solenoid has 1.65 amps of current, what is the magnitude of the magnetic field inside the solenoid?

magnitude of the magnetic field:

Ignoring the weak magnetic field outside the solenoid, find the magnetic energy density inside the solenoid.

magnetic energy density:

What is the total magnetic energy inside the solenoid?

total magnetic energy:

Answer #1

A solenoid has a core of inner radius 25 cm and outer radius 26
cm, around which 3500 turns of a wire are wound. If the current in
the wire is 11 A, find the magnetic field : (i) outside the
solenoid. (ii) inside the core of the solenoid, and (iii) in the
empty space surrounded by the solenoid.

A solenoid of length 28 cm and radius 0.50 cm with 350 turns is
in an external magnetic field of 610 G that makes an angle of 56
degrees with the axis of the solenoid. Find the magnetic flux
through the solenoid.
Tries 0/5
Problem 28-30b:
Find the magnitude of the emf induced in the solenoid if the
external magnetic field is reduced to zero in 1.4 s

a very long solenoid consists of n closely wound turns of wire
per unit length each carrying steady current I. Find the magnitude
and direction of the magnetic vector potential inside and outside
this solenoid if its radius is R
×

A solenoid is 5.8 cm in diameter and 18 cm long. It has 255
turns and carries a current of 13 A. A loop of diameter 2.9 cm is
placed inside the solenoid so that the plane of the loop is
perpendicular to the magnetic field inside the solenoid. What is
the magnetic flux through this loop?
A wire loop of diameter 10 cm is placed around the outside of
the solenoid. The loop is centered on and perpendicular to...

A long solenoid (1495 turns/m) carries a current of 26 mA and
has an inside radius of 2.5cm. A long wire which is
parallel to and 3.5 cm from the axis of the solenoid carries a
current of 5.3 A. What is the magnitude of the magnetic
field at a point on the axis of the solenoid?

1. A long solenoid with 500 turns of wire, length L=80cm and
diameter d=2.5cm. The center of the solenoid is surrounded by a
circular loop of wire with a diameter dloop=5.0cm and a
resistance R=0.50ohm. The axis of the solenoid is also the axis for
the loop.
a. What is the magnetic field inside the solenoid when a current
of 2.0A passes through the solenoid? [note: the magnetic field
inside the solenoid is uniform and there is no magnetic field...

A solenoid 28.0 cm long and with a cross-sectional area of 0.500
cm^2 contains 480 turns of wire and carries a current of 90.0
A.
A-)Calculate the magnetic field in the solenoid.
B-)Calculate the energy density in the magnetic field if the
solenoid is filled with air.
C-)Calculate the total energy contained in the coil's magnetic
field (assume the field is uniform).
D-)Calculate the inductance of the solenoid.

A very long solenoid of circular cross section with radius a=
2.60 cm has n= 71.0 turns/cm of wire. An electron is sitting
outside the solenoid, at a distance r= 3.10 cm from the solenoid
axis. What is the magnitude of the force on the electron while the
current in the solenoid is ramped up at a rate of 36.0 Amps/s?
answer is not 5.6x10^-14 or 5.6x10^-22

An ideal solenoid with l0 turns is 8 cm long and has a radius of
2 cm. Calculate the amount of energy stored in its magnetic field
when it carries a current of 2 A.

A long solenoid with 9.95 turns/cm and a radius of 6.45 cm
carries a current of 17.2 mA. A current of 2.55 A exists in a
straight conductor located along the central axis of the solenoid.
(a) At what radial distance from the axis in centimeters will the
direction of the resulting magnetic field be at 49.4° to the axial
direction? (b) What is the magnitude of the magnetic field
there?

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