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Magnetic Fields
Page 6
Questions (419)
Two parallel METAL rods form a plane inclined at 20.0° to the horizontal. The upper end of the rods are connected together by a
1 answer
asked by
Khuan
707 views
A proton with a kinetic energy of 4.7×10−16J moves perpendicular to a magnetic field of 0.25T .
2 answers
asked by
Anthony
677 views
An electron in an electron beam experiences a downward force of 1.9×10^−14 N while traveling in a magnetic field of 6.4 ×
1 answer
asked by
laura
672 views
A wire carries a current I. At a distance of 6mm from the wire, the magnetic field strength is 0.004T. find the magnitude of
2 answers
asked by
marvi
656 views
An infinitely long thin metal strip of width w=12cm carries a current of I=10A that is uniformly distributed across its cross
2 answers
asked by
may
661 views
An electron travels at a uniform speed of 2.50 × 106 m/s toward the top of this page. It then enters a uniform magnetic field
2 answers
asked by
Erin
660 views
Consider a thin, infinitely long conducting ribbon that carries a uniform current density j(current per unit area). The width of
2 answers
asked by
spartan
670 views
Two identical thin wires are oriented along the x and y axes.
With current on x plane going North. Current on y plane going
1 answer
asked by
Melissa
635 views
The two sets of magnetic-field coils,used to form the pictures on the screen, are _______ to each other.
Parallel or
3 answers
asked by
bianca
633 views
Marks: 2
The magnetic field of the loop increases from 0.0 Tesla to 0.2 Tesla in 0.4 seconds. The cross sectional area of the
1 answer
asked by
unknown
660 views
The electron gun in a color TV accelerates the electrons through about 25,000 Volts. Estimate the acceleration of such an
3 answers
asked by
anonymous
659 views
Two parallel wires carry currents in the same direction. I1=3A and I2=1A and the distance between the conductors is 4 cm. The
2 answers
asked by
asif
636 views
A solenoid 1metre long and radious 4cm has 1000 turns and is carrying 1Ampere current.find the magnetic flux density at the
2 answers
asked by
AB
614 views
Which is true?
a Magnetic fields can only be broken by different rocks being produced by tectonic activity b The green region
1 answer
asked anonymously
37 views
a magnetic field goes from the top to the bottom of this page. what direction will a proton moving diagonally from the upper
2 answers
asked by
fatih
641 views
A proton travelling 1.5x10^6 m/s enters 2 vertically charged parallel plates held 0.15m apart. The top plate is held at +250V
1 answer
asked by
Sandara
599 views
An infinitely long wire carrying a current of 2 A is bent at a right angle as shown in the Figure. What is the magnetic field
2 answers
asked by
Antony no time help
621 views
a circular wire loop of radius 5cm lies in the xy-plane in a magnetic field defined by B=-(4t^2+3t).determine the voltage across
2 answers
asked by
musa
621 views
A 60 cm long wire is oriented from east to west directly above the equator and carries a current of 5 A (toward the east). What
1 answer
asked by
Mel
617 views
A small compass is held horizontally and the centre of its needle is at the distance of 0.280 m directly north of the long wire
1 answer
asked by
Bell
610 views
An electron in a vacuum is first accelerated
by a voltage of 15600 V and then enters a region in which there is a uniform
2 answers
asked by
grace
661 views
Suppose that the magnetic field o fthe Earth were due to a single current moving in a circle of radius 2988 km through the
2 answers
asked by
Jessica
631 views
Two charged particles have equal mass and carry charges of 2 nC and 3 nC respectively. They enter a magnetic field of strength 2
1 answer
asked by
Brian
614 views
The figure below shows very long current-carrying wires. Using the coordinate system indicated (with the z axis out of the
3 answers
asked by
AAA
601 views
Consider the current-carrying wires in the figure.
I can try to describe the figure here.. - Diagram A has the wire coming from
6 answers
asked by
Sandra
593 views
What is the direction of the net magnetic field at the point?
I'll describe the figure here: Imagine a cartesian plane. At (0,y)
3 answers
asked by
anony mouse
598 views
Can the magnitude of a magnetic field be negative?
If we consider an electron in a mag field, using r=mv/qB, the negative charge
3 answers
asked by
charlie
590 views
A particle of mass 6.80 10-8 kg and charge 4.4-µC is traveling due east. It enters perpendicularly a magnetic field whose
2 answers
asked by
Elizabeth
604 views
Please help me with these choose the best answers since I'm not sure of my answers.
A current element produces a magnetic field
2 answers
asked by
Jessica
598 views
A piece of copper wire has a resistance per unit length of 5.95 10-3 /m. The wire is wound into a thin, flat coil of many turns
2 answers
asked by
Mary
609 views
If the current in a wire is directed upward, what is the direction of the magnetic field produced by the current?
A. in the same
2 answers
asked by
Anonymous
589 views
A circular coil (980 turns, radius = 0.078 m) is rotating in a uniform magnetic field. At t = 0 s, the normal to the coil is
2 answers
asked by
johnathan
590 views
A singly charged positive ion has a mass of 2.74 10-26 kg. After being accelerated through a potential difference of 268 V, the
2 answers
asked by
Joe
599 views
A proton, traveling with a velocity of 4.9 106 m/s due east, experiences a magnetic force that has a maximum magnitude of 7.4
2 answers
asked by
Dee
586 views
A long solenoid ( radius = 1.8 cm) has a current of a 0.33 A in its winding. A long wire carrying a current of 22 A is parallel
2 answers
asked by
Lina
580 views
A conductor of length 2m carrying a 1.5A current experiences a force of 2.2 N. What is the magnitude of the magnetic field that
2 answers
asked by
Anonymous
592 views
Consider the process of charging a parallel plate capacitor with circular plates of radius R=5 cm separated by a distance d=0.2
2 answers
asked by
tanvir ali
568 views
Two straight conductors are 15 cm apart. If one conductor has a current of 12 A and the other has a current of 18 A, calculate
2 answers
asked by
grey
567 views
1)A wire is carrying a current, i, in the positive y-direction. The wire is located in a uniform magnetic field, B, oriented in
2 answers
asked by
Jessica
576 views
An electron in an electron beam experiences a downward force of 1.9×10^−14 N while traveling in a magnetic field of 6.4 ×
2 answers
asked by
Leslie
563 views
A straight copper conductor is held parallel to the axis of a freely suspended magnetic needle such that the conductor is under
2 answers
asked by
Nadisha
548 views
A long solenoid ( radius = 1.4 cm) has a current of a 0.34 A in its winding. A long wire carrying a current of 18 A is parallel
2 answers
asked by
mohab
570 views
A flat circular coil with 193 turns, a radius of 5.50 x 10-2 m, and a resistance of 0.241 Ω is exposed to an external magnetic
3 answers
asked by
Elle
556 views
A copper wire 0.40m long carries a current of 6.0A and weighs 0.35N. What strenght magnetic field is required to balance the
2 answers
asked by
Javier
575 views
A spherical shell of radius carries a uniform surface charge density (charge per unit area) . The center of the sphere is at the
2 answers
asked by
gorv
551 views
A 3 m long wire carrying a current of 1 A through a magnetic field of magnitude 17 T experiences a force of 8 kN entirely due to
3 answers
asked by
Fatih
557 views
(the drawing is of a square with each side equaling L and the opposites of each corner are equal to each other, so the mystery
2 answers
asked by
Devon
554 views
A current I=2 Amperes flows in a circular single loop coil of radius R=10 cm.
(a) Evaluate the magnitude of the magnetic field
16 answers
asked by
abdul rahman
561 views
How is a magnetic field produced?(1 point)
Responses when an object has an electric charge when an object has an electric charge
1 answer
asked anonymously
48 views
How is a magnetic field produced?(1 point)Responseswhen an electromagnetic field interacts with a magnetwhen an electromagnetic
1 answer
asked by
dee
31 views
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Parent Categories (11)
Electricity
Electricity and Magnetism
Electromagnetism
Forces in Nature or Magnetism
Magnetism
Magnetism and Electricity
Magnetism and Electromagnetism
Magnets
Physics
Physics or Magnetism
Plate Tectonics