Question

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?

Answer #1

Solution :

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?

A long solenoid with 14.5 turns/cm and a radius of 8.92 cm
carries a current of 16.9 mA. A current of 5.03 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 35.6° to the axial
direction? (b) What is the magnitude of the magnetic field
there?

A long solenoid with 900 turns/m has a radius of 10.0 cm and
carries a current of 0.5 A. This solenoid is 1.2 m long and the
wire resistance is R = 2.4 Ω.
a) Reduce the current by a factor of two in 5 μs. What
is the direction and magnitude of the electric field at the
distance of 5.0 cm away from the axis of solenoid as a function of
time?
b) Reduce the current by a factor...

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:

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 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 cylindrical wire (radius = 2.0 cm) carries a current of
49 A that is uniformly distributed over the cross-section of the
wire. What is the magnitude of the magnetic field at a point which
is 1.5 cm from the axis of the wire?

A long, thin solenoid has 700 turns per meter and radius
2.50 cm. The current in the solenoid is increasing at a uniform
rate of 39.0 A/s .
Part A
What is the magnitude of the induced electric field at a point
near the center of the solenoid?
Express your answer with the appropriate units.
Part B
What is the magnitude of the induced electric field at a point
0.500 cm from the axis of the solenoid?
Express your answer...

A
long solenoid has 1400 turns per meter of length, and it carries a
current of 2.4 A. A small circular coil of wire is placed inside
the solenoid with the normal to the coil oriented at an angle of
90.0˚ with respect to the axis of the solenoid. The coil consists
of 50 turns, has an area of 1.2 × 10-3 m2, and carries a current of
0.70 A. Find the torque exerted on the coil.

A. A solenoid is 6 cm long and has 500 turns of wire. Determine
the magnetic field in the solenoid when it carries a current of 700
mA.
B. A step-down transformer has 400 turns on the primary and 100
turns on the secondary. If an alternating voltage of 100 Volts is
applied to the primary, what is the voltage across the
secondary?

ADVERTISEMENT

Get Answers For Free

Most questions answered within 1 hours.

ADVERTISEMENT

asked 3 minutes ago

asked 11 minutes ago

asked 13 minutes ago

asked 21 minutes ago

asked 29 minutes ago

asked 35 minutes ago

asked 59 minutes ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago