Question

A 19.0 cm -diameter coil consists of 21 turns of circular copper
wire 3.0 mm in diameter. A uniform magnetic field, perpendicular to
the plane of the coil, changes at a rate of 8.38×10^{−3}
T/s .

a) Determine the current in the loop.

b) Determine the rate at which thermal energy is produced.

Answer #1

A 23.6 cm -diameter coil consists of 21 turns of circular copper
wire 3.0 mm in diameter. A uniform magnetic field, perpendicular to
the plane of the coil, changes at a rate of 8.60×10?3 T/s.
Part A: Determine the current in the loop.
Part B: Determine the rate at which thermal energy is
produced.

A 20.8 cm -diameter coil consists of 22 turns of circular copper
wire 2.8 mm in diameter. A uniform magnetic field, perpendicular to
the plane of the coil, changes at a rate of 8.50×10^?3 T/s .
a) Determine the current in the loop
b) Determine the rate at which thermal energy is produced.

A 15.4 cm -diameter coil consists of 21 turns of circular copper
wire 2.6 mm in diameter. A uniform magnetic field, perpendicular to
the plane of the coil, changes at a rate of 7.02×10−3
T/s .
Determine the current in the loop.
Express your answer using two significant figures.
I =
A
Determine the rate at which thermal energy is produced.
Express your answer using two significant figures.
P =
W

A 26.0 cm diameter coil consists of 24 turns of cylindrical
copper wire 2.40 mm in diameter. A uniform magnetic field,
perpendicular to the plane of the coil, changes at a rate of
6.50e-3 T/s. Determine the current in the loop in milli-amps (the
resistivity for copper is 1.72e-8Ω.m).
answer in mA

A 29 cm diameter coil consists of 22 turns of cylindrical copper
wire 2.6 mm in diameter. A uniform magnetic field, perpendicular to
the plane of the coil, changes at a rate of 7.00

2. A circular coil with 30 turns of wire has a diameter of 2.00
cm. The total resistance of the coil is 0.350 Ω. An applied uniform
magnetic field is directed upward, perpendicular to the plane of
the coil.
a) If the magnetic field changes linearly from 0.000 T to 0.800
T in 0.500 s, what is the induced emf in the coil while the field
is changing?
b) What is the magnitude and direction (CW or CCW when looked...

The magnetic field perpendicular to a single 15.7-cm-diameter
circular loop of copper wire decreases uniformly from 0.530 T to
zero. If the wire is 2.25 mm in diameter, how much charge moves
past a point in the coil during this operation? The resistivity of
copper is 1.68×10−8Ω⋅m.

A physics technician makes a circular coil consists of 120 turns
of copper wire with a resistance of 0.6 Ω. The coil radius is 6 cm.
the coil is connected to a 12 V battery. (a) Calculate the magnetic
moment of the coil. (b) If the coil was placed between the pole
faces of a magnet where the magnetic field strength was 0.5 T,
calculate the maximum torque on the coil.

4. A length of 20-gauge copper wire (of
diameter 0.8118 mm) is formed into a circular loop with a radius of
30.0 cm. A magnetic field perpendicular to the plane of the loop
increases from zero to 13.0 mT in 0.28 s. Find the average
electrical power dissipated in the process.
Answer in W

A circular coil of 312 winds of wire (radius = 7.0 cm,
resistance = 7.4 Ω) is placed in a uniform magnetic field that is
perpendicular to the plane of the loop. The magnitude of the field
changes with time according to ? = 90sin(7?) mT, where ? is
measured in seconds. Determine the magnitude of the current induced
in the loop at ?=?/7 s.

ADVERTISEMENT

Get Answers For Free

Most questions answered within 1 hours.

ADVERTISEMENT

asked 11 minutes ago

asked 16 minutes ago

asked 38 minutes ago

asked 53 minutes ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 2 hours ago

asked 2 hours ago