Homework Answers
There are two currents with same magnitude but opposite direction to go through the charger and hence net magnetic field due to two currents will get cancel everywhere.
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In our daily life, we often use the electric charger to charge our cell phone or...
Item 4 In our daily, we the techer to charge our phone or there be currenting...
Item 4 In our daily, we the techer to charge our phone or there be currenting the Part A The currents were also the magical created by them are too small to be detected There we events with the same maslude but este direction going through the charge The given information is not where to get the right explanation There are two currents with the merge and some direction going through the charger The current weig, so the magnetfold created...
Two rings each have a current I 1.0 Amp running through them. One has a radius...
Two rings each have a current I 1.0 Amp running through them. One has a radius 1.0 cm, the other 2.0 cm. a) Place them so they are concentric with each other, both have current in clockwise direction. Find the magnitude and direction of the magnetic field at the center of the rings. b) Rotate the small ring 90 degrees so that from above, you o on the right. Find the magnitude and direction of the magnetic field at the...
Computer cables create little to no magnetic field because they are comprised of closely spaced wires...
Computer cables create little to no magnetic field because they are comprised of closely spaced wires carrying oppositely directed currents. (True -False) The magnetic field of a short segment of current-carrying conductor is due primarily to the random motions of the charges moving through the segment. (True -False) A current element that is directed out of the page produces magnetic field lines that form clockwise circles. (True- False) Iron, nickel, and cobalt have relative permeabilities that are much larger than...
L. Instead of focusing on buildings or trees, we often use the zodiac constellations as our coord...
L. Instead of focusing on buildings or trees, we often use the zodiac constellations as our coordinate system i.e we use the stars as our frame ofreference. That is, all our observations and measurements are made from the perspective we would have if riding' a star. In this frame of reference, what is the average velocity ofa zodiac star? In this frame of reference, does the sun generally travel East to West or West to East? i. ii. iii. In...
QUESTION 4 Our big lecture-table solenoid has 560 turs, each with 60 mm diameter, spaced tightly...
QUESTION 4 Our big lecture-table solenoid has 560 turs, each with 60 mm diameter, spaced tightly to only be 160 mm Long (left to right) The standard power supply only needs 10.2 Volt to push 60 A current thru the solenoid wire, clockwise as seen from the right We can fit a small flat coil, 200 turns with 25 mm diameter inside that solenoid cavity (so their axes align along x) When turning off the power supply, we adjust the...
Please write legibly 3. Self Inductance of coax: Consider a coaxial cable which is an (infinitely)...
Please write legibly
3. Self Inductance of coax: Consider a coaxial cable which is an (infinitely) long wire of radius a, with given current flowing uniformly up it (so J(t)-I(t)/Ta2 goes uniformly through the wire) At the outside edge (r-a), there is an infinitesimally thin insulator, and just outside that, arn infinitesimally thin sheath that returns ALL the current, basically a surface current going down the opposite direction carrying a total -I(t) back down. Figure out the B field everywhere...
A long straight wire has a hollow spherical conductor of radius R hanging from its end. The wire carries a downward current I. You are curious about the magnetic field, if any, that might exist ju...
A long straight wire has a hollow spherical conductor of radius R hanging from its end. The wire carries a downward current I. You are curious about the magnetic field, if any, that might exist just outside the "equator" of the sphere, i.e. the circle created by the intersection of the surface of the ball with a horizontal plane through its center, shown by the solid line a) What is the amount of charge on the sphere as a function...
TA) Q4: Time (30 minutes) A. The current flowing in a solenoid, of 400 turns, 20...
TA) Q4: Time (30 minutes) A. The current flowing in a solenoid, of 400 turns, 20 cm length & 4 cm diameter, changes with time according to the graph show to right. Derive an expression for the strength of the induced electric field inside the solenoid 0 00 01 02 03 04 Sketch the corresponding graph showing how the induced electric field vary with time. B. The Figure to right shows an infinite straight wire carries a current I is...
question 7 and 8 Purpose To examine the properties of polarized light and the mathematical relationship...
question 7 and 8
Purpose To examine the properties of polarized light and the mathematical relationship describing the intensity of linearly polarized light (Malus'law). In addition, the lab will investigate different ways light can be polarized Overview This lab is the first of three labs exploring the properties of electromagnetic waves. Electromagnetic waves are composed of oscillating electric and magnetic fields. As discussed in the lecture the electric and magnetic field vectors are mutually perpendicular to each other. Light waves...
Tethers are long dangling wires that use the velocity of a spacecraft through the Earth's magnetic...
Tethers are long dangling wires that use the velocity of a spacecraft through the Earth's magnetic field to generate electrical power. Alternatively, electrical currents pushed through the tether might be used to change the spacecraft velocity for either propulsion or for braking and reentry. Several 'space tether experiments have been flown to investigate the possible use if Faraday's law for power generation and/or propulsion. Examples are the 1996 joint US/Italy effort to deploy a 20 km tether from one of...
Item 4 In our daily, we the techer to charge our phone or there be currenting the Part A The currents were also the magical created by them are too small to be detected There we events with the same maslude but este direction going through the charge The given information is not where to get the right explanation There are two currents with the merge and some direction going through the charger The current weig, so the magnetfold created...
Two rings each have a current I 1.0 Amp running through them. One has a radius 1.0 cm, the other 2.0 cm. a) Place them so they are concentric with each other, both have current in clockwise direction. Find the magnitude and direction of the magnetic field at the center of the rings. b) Rotate the small ring 90 degrees so that from above, you o on the right. Find the magnitude and direction of the magnetic field at the...
L. Instead of focusing on buildings or trees, we often use the zodiac constellations as our coordinate system i.e we use the stars as our frame ofreference. That is, all our observations and measurements are made from the perspective we would have if riding' a star. In this frame of reference, what is the average velocity ofa zodiac star? In this frame of reference, does the sun generally travel East to West or West to East? i. ii. iii. In...
QUESTION 4 Our big lecture-table solenoid has 560 turs, each with 60 mm diameter, spaced tightly to only be 160 mm Long (left to right) The standard power supply only needs 10.2 Volt to push 60 A current thru the solenoid wire, clockwise as seen from the right We can fit a small flat coil, 200 turns with 25 mm diameter inside that solenoid cavity (so their axes align along x) When turning off the power supply, we adjust the...
Please write legibly
3. Self Inductance of coax: Consider a coaxial cable which is an (infinitely) long wire of radius a, with given current flowing uniformly up it (so J(t)-I(t)/Ta2 goes uniformly through the wire) At the outside edge (r-a), there is an infinitesimally thin insulator, and just outside that, arn infinitesimally thin sheath that returns ALL the current, basically a surface current going down the opposite direction carrying a total -I(t) back down. Figure out the B field everywhere...
A long straight wire has a hollow spherical conductor of radius R hanging from its end. The wire carries a downward current I. You are curious about the magnetic field, if any, that might exist just outside the "equator" of the sphere, i.e. the circle created by the intersection of the surface of the ball with a horizontal plane through its center, shown by the solid line a) What is the amount of charge on the sphere as a function...
TA) Q4: Time (30 minutes) A. The current flowing in a solenoid, of 400 turns, 20 cm length & 4 cm diameter, changes with time according to the graph show to right. Derive an expression for the strength of the induced electric field inside the solenoid 0 00 01 02 03 04 Sketch the corresponding graph showing how the induced electric field vary with time. B. The Figure to right shows an infinite straight wire carries a current I is...
question 7 and 8
Purpose To examine the properties of polarized light and the mathematical relationship describing the intensity of linearly polarized light (Malus'law). In addition, the lab will investigate different ways light can be polarized Overview This lab is the first of three labs exploring the properties of electromagnetic waves. Electromagnetic waves are composed of oscillating electric and magnetic fields. As discussed in the lecture the electric and magnetic field vectors are mutually perpendicular to each other. Light waves...
Tethers are long dangling wires that use the velocity of a spacecraft through the Earth's magnetic field to generate electrical power. Alternatively, electrical currents pushed through the tether might be used to change the spacecraft velocity for either propulsion or for braking and reentry. Several 'space tether experiments have been flown to investigate the possible use if Faraday's law for power generation and/or propulsion. Examples are the 1996 joint US/Italy effort to deploy a 20 km tether from one of...
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