Homework Answers
Mutual Inductance can be writen as:
Magnetic flux through each turn of the bottom equilateral coil
is 
*(3)1/2/4
*a2
Total flux linking the top coil is nr*
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A loop that has a form of equilateral triangle with side a is placed inside the...
A square, single-turn wire loop ℓ = 1.00 cm on a side is placed inside a...
A square, single-turn wire loop ℓ = 1.00 cm on a side is placed
inside a solenoid that has a circular cross section of radius r =
3.00 cm, as shown in the end view of the figure below. The solenoid
is 24.5 cm long and wound with 104 turns of wire.
(a) If the current in the solenoid is 2.30 A, what is the
magnetic flux through the square loop?
T · m2
(b) If the current in the...
A square loop with a single turn, with side L= 0.45cm is placed inside a solenoid...
A square loop with a single turn, with side L= 0.45cm is placed inside a solenoid with cross section of radius r = 2.5cm as shown in the figure below. The solenoid is 35cm long and made of 165 turns of wire. (a) If the current in the solenoid is 5.3A, what is the magnitude of the magnetic flux through the square loop? (b) If the current in the solenoid drops to zero in 2.0s, what is the magnitude of...
2. A solengid has n turns per unit length. The radius of solenoid is R. A...
2. A solengid has n turns per unit length. The radius of solenoid is R. A circular loop of wire with 10 turns and radius r<R lies along the axis of the solenoid near the middle of its length. If the current ie he circular loop is I, find the magnetic flux through the solenoid. 3. Two tiny wire loops with areas ar and az are situated a distance r apart. Find their mutual inductance,
A square, single-turn wire loop ℓ = 1.00 cm on a side is placed inside a...
A square, single-turn wire loop ℓ = 1.00 cm on a side is placed inside a solenoid that has a circular cross section of radius r = 3.00 cm, as shown in the end view of the figure below. The solenoid is 24.0 cm long and wound with 122 turns of wire. (a) If the current in the solenoid is 2.35 A, what is the magnetic flux through the square loop? T · m2 (b) If the current in the...
Question 3 A long solenoid with n turns per unit length of current I is wrapped around a cylindri...
Question 3 A long solenoid with n turns per unit length of current I is wrapped around a cylindrical magnetic core of permeability μ μ0Hm The cylindrical core, extending along the z-axis, has radius α n turns per unit length, current I per turn Magnetic material of μ (a) If the solenoid is considered as infinite in length, it can be shown that the magnetic field, expressed in cylindrical coordinates, is: r> a Apply Ampere's law, using the rectangular path...
3. (3 pts) A square loop of side a carrying a constant current lo is centered in a long solenoid ...
3. (3 pts) A square loop of side a carrying a constant current lo is centered in a long solenoid of radius so > a and with n coils per meter. The ends of the solenoid wires are attached in a closed circuit with resistance R. The loop is rotating with constant angular frequency on an axis perpendicular to the axis of the solenoid (and passing through the axis of the solenoid). a. Find the torque τ required to keep...
1. a. One solenoid is centered inside another. The outer one has a length of 47.0...
1. a. One solenoid is centered inside another. The outer one has a length of 47.0 cm and contains 6700 coils, while the coaxial inner solenoid is 5.00 cm long and 0.170 cm in diameter and contains 17.0 coils. What is the mutual inductance of these solenoids? The current in the outer solenoid is changing at 38.0 A/s. b. Find the emf induced in the inner solenoid. c. A toroidal solenoid has a mean radius of 18.0 cm and a...
One solenoid is centered inside another. The outer one has a length of 52.0 cm and...
One solenoid is centered inside another. The outer one has a length of 52.0 cm and contains 6700 coils, while the coaxial inner solenoid is 3.00 cm long and 0.170 cm in diameter and contains 25.0 coils. The current in the outer solenoid is changing at 36.0 A/s . What is the mutual inductance of these solenoids? Find the emf induced in the inner solenoid.
3. Find the magnitude of the induced electric field outside a long solenoid at a distance rZR from its central axis if the solenoid is of radius R and hasn turns of wire per unit length and carri...
3. Find the magnitude of the induced electric field outside a long solenoid at a distance rZR from its central axis if the solenoid is of radius R and hasn turns of wire per unit length and carries a time-varying current that varies sinusoidally as l = 1-cos cot where I-is maximum current and ω is the angular frequency of the current source. 4. A rectangular coil of N windings had an emf of 40 mV induced in it wher...
One solenoid is centered inside another. The outer one has a length of 51.0 cm and...
One solenoid is centered inside another. The outer one has a length of 51.0 cm and contains 6800 coils, while the coaxial inner solenoid is 5.00 cm long and 0.190 cm in diameter and contains 19.0 coils. The current in the outer solenoid is changing at 38.0 A/s . Part A) What is the mutual inductance of these solenoids? Part B) Find the emf induced in the inner solenoid.
A square, single-turn wire loop ℓ = 1.00 cm on a side is placed
inside a solenoid that has a circular cross section of radius r =
3.00 cm, as shown in the end view of the figure below. The solenoid
is 24.5 cm long and wound with 104 turns of wire.
(a) If the current in the solenoid is 2.30 A, what is the
magnetic flux through the square loop?
T · m2
(b) If the current in the...
A square loop with a single turn, with side L= 0.45cm is placed inside a solenoid with cross section of radius r = 2.5cm as shown in the figure below. The solenoid is 35cm long and made of 165 turns of wire. (a) If the current in the solenoid is 5.3A, what is the magnitude of the magnetic flux through the square loop? (b) If the current in the solenoid drops to zero in 2.0s, what is the magnitude of...
2. A solengid has n turns per unit length. The radius of solenoid is R. A circular loop of wire with 10 turns and radius r<R lies along the axis of the solenoid near the middle of its length. If the current ie he circular loop is I, find the magnetic flux through the solenoid. 3. Two tiny wire loops with areas ar and az are situated a distance r apart. Find their mutual inductance,
Question 3 A long solenoid with n turns per unit length of current I is wrapped around a cylindrical magnetic core of permeability μ μ0Hm The cylindrical core, extending along the z-axis, has radius α n turns per unit length, current I per turn Magnetic material of μ (a) If the solenoid is considered as infinite in length, it can be shown that the magnetic field, expressed in cylindrical coordinates, is: r> a Apply Ampere's law, using the rectangular path...
3. (3 pts) A square loop of side a carrying a constant current lo is centered in a long solenoid of radius so > a and with n coils per meter. The ends of the solenoid wires are attached in a closed circuit with resistance R. The loop is rotating with constant angular frequency on an axis perpendicular to the axis of the solenoid (and passing through the axis of the solenoid). a. Find the torque τ required to keep...
3. Find the magnitude of the induced electric field outside a long solenoid at a distance rZR from its central axis if the solenoid is of radius R and hasn turns of wire per unit length and carries a time-varying current that varies sinusoidally as l = 1-cos cot where I-is maximum current and ω is the angular frequency of the current source. 4. A rectangular coil of N windings had an emf of 40 mV induced in it wher...
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