Q: If an electric wire is allowed to produce a magnetic field equal to that of the Earth at a distance…
A:
Q: A mass spectrometer is used to examine the isotopes of uranium. Ions in the beam emerge from the…
A: Write the relation between the electric field and magnetic field,
Q: The segment of wire in the figure carries a current of l=3.00 A, where the radius of the circular…
A: Current, I=3 A Radius, R=1 cm = 0.01 m
Q: what is the distance from the wire at which the field is measured given that the magnetic field…
A: Given data: Magnetic field (B) = 0.05 mT Current (I) = 3 A Required: Distance (r)
Q: An electron is placed inside a uniform magnetic field of magnitude 5 T. If the electron is suddenly…
A: GivenMagnetic field (B→)=5Tvelocity of electron (V)=1 m/sDirection of electron is perpendicular to…
Q: The magnetic field at Earth's poles is approximately 60 microteslas, and the Earth has a radius of…
A: Assume that the magnetic field is produced by a current-carrying ring wrapped around the earth. The…
Q: A horizontal rectangular surface has an area of 8.96 x 10-4 m2 and is in a uniform magnetic field…
A:
Q: A coil consisting of 100 circular loops with radius 0.60 m carries a 5.0-A current. (a) Find the…
A: solution as
Q: A lightning bolt may carry a current of 1.00 104 A for a short time. What is the resulting magnetic…
A: The given values are,
Q: Calculate the magnitude and direction of the magnetic field at P. *
A:
Q: A 10-gauge bare copper wire (2.6 mm in diameter) can carry a current of 50 A without overheating.…
A: The magnetic field at a distance R from a long current carrying wire can be given as The magnetic…
Q: A horizontal rectangular surface has dimensions 2.80 cm by 3.20 cm and is in a uniform magnetic…
A:
Q: At the equator, near the surface of the Earth, the mag- netic field is approximately 50.0 µT…
A: Given The magnetic field of the earth is ME=50 μT=50×10-6 T. The electric field of earth is EE=100…
Q: In terms of the given variables, find the magnitude and direction of the magnetic field at point P…
A: Given : Current traveling in the positive y direction. Distance to P from dy = r Angle = α Current =…
Q: An electric wire in the wall of a building carries a dc current of 25 A vertically upward. What is…
A: Consider a wire having current I moving due north (i.e., from south to north) and a point P which is…
Q: In the magnetic meridian of a certain place, the horizontal component of the earth’s magnetic field…
A:
Q: A current wire of length 67 cm placed in a magnetic field of 0.34 T such that it makes an angle 42°…
A: Length of wire l=67cm Magnetic field= 0.34T Force on wire = 2.04 N Theta=42°
Q: a long, thin conductor is carrying a current of 4A and it produces a magnetic field of 1mt at…
A:
Q: With inCreasing distance away rom the wire If the current in the wire is 7.65A, what is the…
A:
Q: The segment of wire in the figure carries a current of I-3.00 A, where the radius of the circular…
A: Given that Current in the wire I = 3.00 A Radius of the circular arc is R = 1.00 m Angle of arc at…
Q: A square plate ( with a side of 10 cm) parallel to the xz-plane and intercept with y-axis at y= 4.6…
A: Magnetic flux is given by, = B.A here, B = magnetic field vector at that place = (3 i + 5y^2 j + 5…
Q: A hula hoop with diameter 0.791 meters is lying horizontally on the grass in LVC's acaden quad. Find…
A: magnetic flux
Q: The horizontal and vertical components of a magnetic field are 0.3 T and 0.4 T, respectively. What…
A:
Q: square loop of side 6.1 cm is positioned in a uniform magnetic field of magnitude 7840 G so that the…
A: Magnetic flux =BAcosθ
Q: A long straight wire of a radius of 10.0 cm carries a steady current 40.7 A that is uniformly…
A:
Q: Is B → constant in magnitude for points that lie on a magnetic field line?
A: Magnitude of magnetic field
Q: What is the magnitude of the total magnetic flux through the jar with the on? An empty cylindrical…
A:
Q: If length ofthe arc is 20 cm, radius R=8 cm and a current through aloop I=20 A, what is the…
A: Given, L=20cm=.2m R=8cm=.08m I=20A Now for an arc Magnetic field at the center is φ is the angle…
Q: At a place, the horizontal component of earth’s magnetic field is B and angle of dip is 60°. What is…
A: angle of dip is 60° Horizontal component = B
Q: Find the magnetic field at a point inside and outside of a long cylinder of radius a with a stable…
A: Given data: Current density is, J=kr2 Radius of cylinder is a.
Q: A 35.0 m wire carries a current of 3 250 mA in a location where Earth’s magnetic field is 2.50 x…
A: The magnetic force experienced by the wire segment is F=BEIL=2.50×10-3 T3250×10-3 A35.0 m=0.284 N
Q: A lightning bolt may carry a current of 1.00 104 A for a short time. What is the resulting magnetic…
A: Given : current in lightening bolt (I)=1.00*104 A distance of point where we have to find the…
Q: In a solenoid in vacuum of length l = 10 cm with 2052 turns per meter the current creates the field…
A: Length of solenoid l= 0.10 m number of turn N= 2052 per meter number of turns in l = 2052 x 0.10…
Q: At the equator, near the surface of Earth, the magnetic fieldis approximately 50.0 µT northward, and…
A: The gravitational force on an electron is
Q: What is the magnitude of a magnetic field of a long cylindrical conductor whose radius is 60 cm with…
A: The given data are: r=60 cm=0.6 mI=25 A Here, r denotes the radius and I denotes the current.
Q: A proton entered an area with a uniform magnetic field 45 mT (directed into the page) with a…
A:
Q: The segment of wire in the figure carries a current of I-3.00 A, where the radius of the circular…
A: Current , I=3 A Radius, R=1 cm =0.01 m
Q: A coil that has length 30 cm, radius 1.2 cm, and 300 turns carries a current of 2.6 mA. Find the…
A: The formula for the magnetic field at any point on the axis of the coil due to the current flowing…
Q: At a given instant of time the electric field in a beam of sunlight has a magnitude of 429…
A: Electric field, E = 429 N/CSpeed of light, c = 3×108 m/s We have to find the magnetic field B…
Q: Assume that the magnitude of the magnetic field outside a sphere of radius R is B = Bo(R/r)², where…
A: solution
Q: A long straight wire of a radius of 10.0 cm carries a steady current 27 A that is uniformly…
A: Given, Current in wire, I=27 A Distance of point, r=7.5 cm=0.075 m Radius,R=10 cm=0.1 m
Q: A 0.50-T magnetic field is directed perpendicular to the plane of a circular loop of radius 0.25 m.…
A: Given:magnetic field B=0.5 Tradius r=0.25 mTo find:magnetic flux ϕ=??
Step by step
Solved in 2 steps
- A strip of copper is placed in a uniform magnetic field of magnitude 2.5 T. The Hall electric field is measured to be 1.5103V/m (a) What is the drift speed of the conduction electrons? (b) Assuming that n =8.01028 elections per cubic meter and that the cross-sectional area of the strip is 5.0106m2 , calculate the current in the ship, (c) What is the Hall coefficient 1/nq?A superconducting wire of diameter 0.25 cm carries a current of 1000 A. What is the magnetic field just outside the wire?Unreasonable results Frustrated by the small Hall voltage obtained in blood flow measurements, a medical physicist decides to increase the applied magnetic field strength to get a 0.500-V output for blood moving at 30.0 cm/s in a 1.50-cm-diameter vessel. (a) What magnetic field strength is needed? (b) What is unreasonable about this result? (C) Which premise is responsible?
- A long, solid, cylindrical conductor of radius 3.0 cm carries a current of 50 A distributed uniformly over its cross-section. Plot the magnetic field as a function of the radial distance r from the center of the conductor.An ideal toroidal solenoid has an inner radius of 14.5 cm and outer radius of19.0 cm. It carries a current of 0.500 A and has 9500 number of turns. Find themagnetic field strengths at distances 15.0 cm and 20.0 cm from the center of the solenoid.A closely wound solenoid of 2000 turns has an axial length of 64 cm and a radius of 2.50 cm. When there is a current of 10.50 A in the solenoid, what is the flux density on the axis (a) at the center and (b) 12 cm away from the right end of the solenoid?
- Figure CQ19.7 shows a coaxial cable carrying current I in itsinner conductor and a return current of the same magnitudein the opposite direction in the outer conductor. Themagnetic field strength at r = r0 is B0. Find the ratio B /B0 at(a) r = 2r0 and (b) r = 4r0.An electron with kinetic energy 2.5 keV moving along the positive direction of an x axis enters a region in which a uniform electric field of magnitude 10 kV/m is in the negative direction of the y axis. A uniform magnetic field is to be set up to keep the electron moving along the x axis, and the direction of is to be chosen to minimize the required magnitude of . In unit-vector notation, what should be set up?At what velocity must a conductor 75 mm long cut a magnetic field of flux density 0.6T if an emf of 9V is to be induced in it? Assume the conductor, the field and direction of motion are mutually perpendicular.
- An electron has an initial velocity of (12.5j +19.0k) km/s and a constant acceleration of (1.10*10^12 m/s^2)i in a region in which uniform electric and magnetic fields are present. If B= (400 uT)I find the electric field Ex, Ey, and Ez?A very long, straight current-carrying wire is bent at the middle two different ways, sothat it takes the shapes depicted in figures a) and b). Find the direction and magnitude of themagnetic field in both cases at the center C of the semicircle (of radius R = 10 cm), if the currentflowing in the wire is I = 2 A.A parallel-plate capacitor with circular plates of radius R = 16 mm and gap width d = 5.0 mm has a uniform electric field between the plates. Starting at time t = 0, the potential difference between the two plates is V ohm (100 V)e=t/t, where the time constant t = 12 ms. At radial distance r = 0.80R from the central axis, what is the magnetic field magnitude (a) as a function of time for t >- 0 and (b) at time t = 3t?