a wire has a resistivity of 1.68 × 10^-8 ohms•m, and a cross sectional area of...
a wire has a resistivity of 1.68 × 10^-8 ohms•m, and a cross sectional area of 2 cm^2. It is bent into a circle of radius 50 cm. A magnetic field, directed perpendicular through the region bounded by the wire, is uniformly increasing at .04 T/s throughout the region. Find the current (magnitude and direction) induced in the wire.
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a wire has a resistivity of 1.68 × 10^-8 ohms•m, and a
cross sectional area of...
A flat loop of wire consisting of a single turn of cross-sectional area 8 cm2 is...
A flat loop of wire consisting of a single turn of cross-sectional area 8 cm2 is perpendicular to a magnetic field that increases uniformly in magnitude from 0.5 T to 2.5 T in a time of 1.19 s. The total resistance is 0.719 Ω. What is the resulting induced current? Answer in units of mA.
A coil of wire with 4 loops, each having a cross sectional area of 11 cm^2...
A coil of wire with 4 loops, each having a cross sectional area of 11 cm^2 is in the uniform magnetic field of magnitude 4.8 x 10^-2T. The field is perpendicular to the plane of the loop in the coil. a. What is the magnetic flux through the loop in the coil? b. And if the magnitude of the field increase by a factor of 5.2, in a time of 3 seconds, what is the voltage induced in the coil?
Suppose you have a circular cross sectional wire with radius R, a resistivity of ρ, and...
Suppose you have a circular cross sectional wire with radius R,
a resistivity of ρ, and that is carrying a uniformly distributed
current of I(t) = I0 cos(ωt) (notice it changes in time).
a) Find the electric field that is generating this current using
the proper form of Ohm’s Law.
b) Find the magnetic field outside of the wire that is generated
by the current and the time changing electric field combined.
Question 2: Suppose you have a circular cross...
A flat loop of wire consisting of a single turn of wire of cross-sectional area 0.25m^2...
A flat loop of wire consisting of a single turn of wire of cross-sectional area 0.25m^2 and resistance of 4 Ohm is located in a magnetic field as shown to the right. The magnetic field increases uniformly in magnitude from 0.6T to 5.4T in 0.6s. As a result, the current in the loop is (Magnitude AND direction)
2) A straight wire is partially bent into the shape of a circle as shown below....
2) A straight wire is partially bent into the shape of a circle as shown below. A uniform magnetic field is directed perpendicular to the plane of the circle and into the page. Each end of the wire is then pulled at a constant speed so that the area of the circle shrinks to zero. (a) Sketch a graph of the magnetic flux with respect to time. flux time (b)Is the direction of the induced current in the circular wire...
2) A straight wire is partially bent into the shape of a circle as shown below....
2) A straight wire is partially bent into the shape of a circle as shown below. A uniform magnetic field is directed perpendicular to the plane of the circle and into the page. Each end of the wire is then pulled at a constant speed so that the area of the circle shrinks to zero. (a) Sketch a graph of the magnetic flux with respect to time. flux time (b)Is the direction of the induced current in the circular wire...
A particular wire has a resistivity of 2.1*10^-8 Ω · m and a cross-sectional area of...
A particular wire has a resistivity of 2.1*10^-8 Ω · m and a cross-sectional area of 2.9*10^-6 m2. A length of this wire is to be used as a resistor that will receive 41 W of power when connected across a 20-V battery. What length of wire is required? _________km
Wire Ring . A uniform magnetic field is confined to a cylindrical volume of radius 8...
Wire Ring . A uniform magnetic field is confined to a cylindrical volume of radius 8 cm. The field is directed out of the plane of the screen and is increasing at a constant rate of AB At = 0.22 T/s. Calculate the magnitude and direction of the current induced in a circular wire ring of radius 16 cm and resistance 3.7 12 that encircles the magnetic field region Magnetic Field Region
A particular wire has a resistivity of 5.37×10-8 Ωm and a cross-sectional area of 1.78 mm2....
A particular wire has a resistivity of 5.37×10-8 Ωm and a cross-sectional area of 1.78 mm2. A length of this wire is to be used as a resistor that will develop 150 W of power when connected to a 6.50 V battery. What length of wire is required?
A particular wire has a resistivity of 2.7 x 10-82. m and a cross-sectional area of...
A particular wire has a resistivity of 2.7 x 10-82. m and a cross-sectional area of 4.3 x 10-6 m2. A length of this wire is to be used as a resistor that will develop 45 W of power when connected across a 20-V battery. What length of wire is required? km
A coil of wire with 4 loops, each having a cross sectional area of 11 cm^2 is in the uniform magnetic field of magnitude 4.8 x 10^-2T. The field is perpendicular to the plane of the loop in the coil. a. What is the magnetic flux through the loop in the coil? b. And if the magnitude of the field increase by a factor of 5.2, in a time of 3 seconds, what is the voltage induced in the coil?
Suppose you have a circular cross sectional wire with radius R,
a resistivity of ρ, and that is carrying a uniformly distributed
current of I(t) = I0 cos(ωt) (notice it changes in time).
a) Find the electric field that is generating this current using
the proper form of Ohm’s Law.
b) Find the magnetic field outside of the wire that is generated
by the current and the time changing electric field combined.
Question 2: Suppose you have a circular cross...
A flat loop of wire consisting of a single turn of wire of cross-sectional area 0.25m^2 and resistance of 4 Ohm is located in a magnetic field as shown to the right. The magnetic field increases uniformly in magnitude from 0.6T to 5.4T in 0.6s. As a result, the current in the loop is (Magnitude AND direction)
2) A straight wire is partially bent into the shape of a circle as shown below. A uniform magnetic field is directed perpendicular to the plane of the circle and into the page. Each end of the wire is then pulled at a constant speed so that the area of the circle shrinks to zero. (a) Sketch a graph of the magnetic flux with respect to time. flux time (b)Is the direction of the induced current in the circular wire...
2) A straight wire is partially bent into the shape of a circle as shown below. A uniform magnetic field is directed perpendicular to the plane of the circle and into the page. Each end of the wire is then pulled at a constant speed so that the area of the circle shrinks to zero. (a) Sketch a graph of the magnetic flux with respect to time. flux time (b)Is the direction of the induced current in the circular wire...
Wire Ring . A uniform magnetic field is confined to a cylindrical volume of radius 8 cm. The field is directed out of the plane of the screen and is increasing at a constant rate of AB At = 0.22 T/s. Calculate the magnitude and direction of the current induced in a circular wire ring of radius 16 cm and resistance 3.7 12 that encircles the magnetic field region Magnetic Field Region
A particular wire has a resistivity of 2.7 x 10-82. m and a cross-sectional area of 4.3 x 10-6 m2. A length of this wire is to be used as a resistor that will develop 45 W of power when connected across a 20-V battery. What length of wire is required? km
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