A power cord for an appliance contains two parallel wires (separated by an insulator) that carry equal currents in opposite directions. Consider the force exerted on the cord by Earth's magnetic field. Suppose the cord is horizontal and oriented in an East-West direction, and Earth's magnetic field points toward the north at an angle of 30 degrees below horizontal. The net magnetic force on the cord would be... Select one: a. ... directed horizontally toward the north cross out b. .. directed vertically downward (toward the ground) cross out c. ... directed vertically upward (away from the ground) cross out d. ... directed toward the south, at an angle 60 degrees below horizontal cross out cross out e. Zero f. ... directed horizontally toward the south cross out

Question
A power cord for an appliance contains two parallel wires (separated by an insulator) that carry equal currents in
opposite directions. Consider the force exerted on the cord by Earth's magnetic field. Suppose the cord is horizontal
and oriented in an East-West direction, and Earth's magnetic field points toward the north at an angle of 30 degrees
below horizontal. The net magnetic force on the cord would be...
Select one:
a. ... directed horizontally toward the north
cross out
b. .. directed vertically downward (toward the ground)
cross out
c. ... directed vertically upward (away from the ground)
cross out
d. ... directed toward the south, at an angle 60 degrees below horizontal
cross out
cross out
e. Zero
f. ... directed horizontally toward the south
cross out
Expand
Transcribed Image Text

A power cord for an appliance contains two parallel wires (separated by an insulator) that carry equal currents in opposite directions. Consider the force exerted on the cord by Earth's magnetic field. Suppose the cord is horizontal and oriented in an East-West direction, and Earth's magnetic field points toward the north at an angle of 30 degrees below horizontal. The net magnetic force on the cord would be... Select one: a. ... directed horizontally toward the north cross out b. .. directed vertically downward (toward the ground) cross out c. ... directed vertically upward (away from the ground) cross out d. ... directed toward the south, at an angle 60 degrees below horizontal cross out cross out e. Zero f. ... directed horizontally toward the south cross out

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Physics

Magnetic Effects of Current

Magnetism

Related Physics Q&A

Find answers to questions asked by students like you.

Q: 81 The magnetic component of a polarized wave of light is B, = (4.0 x 10-6 T) sin[(1.57 x 10' m-1)y ...

A: a) The magnetic component of polarized wave of light is parallel to the z-axis. b) The required freq...

Q: A uniform 34.0-kg beam of length ℓ = 5.15 m is supported by a vertical rope located d = 1.20 m from ...

A: Click to see the answer

Q: An audio engineer takes decibel readings at distances of r1 = 11 m and r2 = 21 m from a concert stag...

A: Click to see the answer

Q: The citizen leaves a city at 3:00 p.m. It travels at 36.0 m / s when the engine of its car stops. Du...

A: Given: Initial speed of car (u) = 36.0 m/s During first t1 =12 seconds the acceleration of car = a1....

Q: A 60.8 kg person is standing inside an elevator. The elevator is moving upward at 3.49 m/s and is de...

A: Click to see the answer

Q: Solve the following problems using GRESA format: 1.  A uniform magnetic field of magnitude 1.5 T is ...

A: Since there are multiple questions posted, we will answer the first question. a)

Q: Question: If the entire 450 kg antimatter fuel supply of the Enterprise combines with the same amoun...

A: Click to see the answer

Q: a person whos eyes are 1.72 m above the floor stands 2.20m in front of a vertical plane mirror whose...

A: Click to see the answer

Q: A diffraction grating illuminated by monochromatic light normal to the grating produces a certain li...

A: a)  The expression for line’s half-width is,

Q: Two manned satellites approach one another at a relative speed of 0.400 m/s, intending to dock. The ...

A: Click to see the answer

Q: 5.A student finds a spring that is labeled k=45 N/m. She hangs it vertically and attaches a 500 g ma...

A: Click to see the answer

Q: Prove that if a plane mirror is rotated through an angle a, the reflected beam is rotated through an...

A: The angle of incidence must be equal to the angle of reflection.

Q: 55. Damping is negligible for a 0.150-kg object hanging M from a light, 6.30-N/m spring. A sinusoida...

A: Click to see the answer

Q: A high-energy pulsed laser emits a 1.0ns Long pulse of an average power 1.5x10^11 W. The beam is nea...

A: Click to see the answer

Q: A tree loses water to the air by the process of transpiration at the rate of 110 g/hr. This water is...

A: Here, Q is the volume flow rate of the sap Qm is the the mass flow rate.

Q: The idea that light can take on the characteristics of both waves and particles is known as which of...

A: Click to see the answer

Q: a) What is the power of the eye when it is focused to view objects located at far point ?∞=∞? (b) Ca...

A: a)   The object is at infinity and image at retina, as eye lens is a convex lens so length is f=2.5c...

Q: A solid steel wire has a cross-sectional area of 8.05 x 10-6 m2 and is carrying a constant current o...

A: Click to see the answer

Q: A single-slit diffraction experiment is set up with light of wavelength 420 nm, incident perpendicul...

A: In a single slit experiment, we know Suppose d is the horizontal distance between the slit and the ...

Q: The solar system is 25,000 light years from the center of our Milky Way galaxy. One light year is th...

A: Click to see the answer

Q: A tall telephone pole with massm and length L has just been placed in the ground. Before the wires c...

A: Draw the free-body diagram of the telephone pole.

Q: A tuning fork vibrates 440.0 times a second, producing sound waves with a wavelength of 78.0 cm. Wha...

A: Click to see the answer

Q: The current (in amps) flowing through a light bulb rated 5 W and 80 V is  ____________

A: Click to see the answer

Q: In the red shift of radiation from a distant galaxy, a certain radiation, known to have a wavelength...

A: Click to see the answer

Q: An echo bounces from a building exactly 1.00 s after you honk your horn. How many feet away is the b...

A: Click to see the answer

Q: Can you please answer this question and show all of the steps

A: Click to see the answer

Q: 4. In the Bohr model, how many times larger is the radius of the fifth Bohr orbit compared to that o...

A: The expression for the radius of Bohr orbit is,  

Q: (a) What potential difference would accelerate an electron to speed c according to classical physics...

A: a) The required potential difference is,  

Q: Air 51 O In Fig. 33-51, light is incident at angle 6, = 40.1° on a boundary be- tween two transparen...

A: a) Considering the refraction at interface between medium of refractive index n1 and air. The expres...

Q: A uniform magnetic field exerts a torque on each of the current-carrying single loops of wire as sho...

A: Click to see the answer

Q: A block with a mass of 6.47 kg is on a horizontal surface. The coefficients of static and kinetic fr...

A: Click to see the answer

Q: Prove that it is not possible to determine both wavelength of incident radiation and spacing of refl...

A: Using Bragg's law  In the above equation two unknowns, which is x ray wavelength and the plane sepa...

Q: In conventional television, signals are broadcast from towers to home receivers. Even when a receive...

A: Click to see the answer

Q: 77 E Rainbow. Figure 33-67 shows a light ray entering and then leaving a falling, spherical raindrop...

A: Given information: Here, nred and nblue are the refractive index for the red and the blue light res...

Q: A pinhole camera has the hole a distance 12 cm from the film plane, which is a rectangle of height 8...

A: Basic Details The angle made by the light ray with respect to horizontal should be same for the imag...

Q: A 2.0-m wire carries a current of 15 A directed along the positive y axis in a region where the magn...

A: Click to see the answer

Q: 5 Figure 36-32 shows four choices for the rectangular opening of a source of either sound waves or l...

A: Click to see the answer

Q: the following figure shows 3 cubes with these side lengths l, 2l, 3l placed next to each other (adja...

A: x coordinates of center of mass of first cube will be X1 =  l/2x coordinates of center of mass of se...

Q: Imagine a car is turning around a corner, it will slide off the road if it is turning at a very fast...

A: Click to see the answer

Q: A spaceship whose rest length is 350 m has a speed of 0.82c with respect to a certain reference fram...

A: Click to see the answer

Q: let a beam of x rays of wavelength 0.125 nm be incident on an NaCl crystal at angle u 45.0° to the t...

A: The expression for Bragg’s diffraction condition is,

Q: What is the momentum in MeV/c of an electron with a kinetic energy of 2.00 MeV?

A: Click to see the answer

Q: A wire is made from a material having a temperature coefficient of resistivity of 0.00125 (°C)". In ...

A: Click to see the answer

Q: A certain helium–neon laser emits red light in a narrow band of wavelengths centered at 632.8 nm and...

A: Click to see the answer

Q: 3. a) Calculate the resistance per unit length of an iron wire, which has a radius of 1.5 mm. The re...

A: Click to see the answer

Q: Entoptic halos. If someone looks at a bright outdoor lamp in otherwise dark surroundings, the lamp a...

A: In the circular aperture, when the angle subtended by the two objects is more than the minimum angle...

Q: A photon of light has a frequency of 5.00 x 1014 Hz. If the frequency of the photon was doubled then...

A: Click to see the answer

Q: Suppose the farthest distance a person can see without visual aid is 50 cm. (a) What is the focal le...

A: a) The lens equation is given by, b) Since the focal length is negative, the lens must be diverging...

Q: 5) An object is placed in front of a circular mirror with a radius of curvature of 8 cm. A virtual i...

A: Click to see the answer