It takes 1 us for a proton, which is rotating in a circular orbit, to make 1 revolution. What is the strength of the magnetic field in mT?  A) 24.7  B) 48.5  C) 31.9  D) 65.6  E) 4.8

Q: 3. Two long parallel wires are separated by the distance 10cm and carry currents of 3.0 A and 5.0 A…

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Q: 8. A wire carrying a 36.0-A current passes between the poles of a strong magnet that is…

A: Given, Current flowing through the wire is, i=36 (A) Magnetic force is, FB = 2.15 (N) length of…

Q: 3. Draw a graph of the radius of the circular motion of a charged particle in a uniform magnetic…

A: In an uniform magnetic field the magnetic force on a charged particle is equal to q(v×B)

Q: 1. Find the force between two parallel currents of 5 A and 10 A, each two meters long with distance…

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Q: 4. Three particles travel through a region of space where the magnetic field is out of the page, as…

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Q: 3. Calculate the magnitude and direction of the magnetic force on an electron moving with a velocity…

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Q: 5) What is the magnetic field strength at the dot? d=0.1 m and I= 5A A) 26.79 x10-6T B) 13.38x10-6T…

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Q: 6-A charged particle moves through a region in which there is a uniform magnetic field. If the…

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Q: 4. Two parallel wires each carrying a current of 2.2 A in the same direction are shown below. 2.2 A…

A: The objective of the question is to find the direction and magnitude of the net magnetic field at…

Q: Please refer again to Figure 2. Again, disregard the charge off to the right. This time, I1 = 2.87 A…

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Q: Find the speed of the electron.

A: Given: Magnetic force, F=6.5×10-11N Magnetic field, B=4T Angle, θ=45°

Q: 11. An electron has a velocity of (5.0 km/s)x - (6.0 km/s)ŷ in a magnetic field. The force on the…

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Q: 4. Two parallel wires each carrying a current of 2.2 A in the same direction are shown below. 2.2 A…

A: The objective of the question is to find the direction and magnitude of the net magnetic field at…

Q: 2. A proton travels to the west at 3 m/s. The Earth's magnetic field is directed to the north and…

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Q: 3. If a 15C charged particle is traveling perpendicularly to a magnetic field of 8T at a speed of 2…

A: Write the given values with the suitable variables. q=15 CB=8 Tθ=90°v=2 m/s Here, q, B, θ, and v are…

Q: Find the direction of the magnetic field acting on a negatively charged particle moving as in the…

A: By applying Right hand thumb rule, it is found that direction of magnetic field is out of the page.

Q: 5. You hook up a slinky to some batteries and run current through it. You use a Hall probe to…

A: The problem is asking for the number of turns in the slinky. The magnetic field inside a solenoid…

Q: 2. Each of the lettered points at the corners of the cube in figure represents a positive charge q =…

A: See below

Q: When a bar magnet is suspended freely its south pole always point to O a. geographic north O b.…

A: The basic properties of the magnet is that like poles repel each other and unlike poles attract each…

Q: If the diameter of a 25 cm long solenoid is 12 cm and the number of turns is 120, what will be the…

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Q: 9. A solenoid used in a plasma physics experiment is 10 cm in diameter and 1.0 m long carries a 35 A…

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Q: 5. A rectangular loop of wire that is 35 cm wide and 15 cm long is placed in a region where the…

A: The magnetic flus through the loop will be  Flux = B×A×cosθ where B is magnetic field and A is area…

Q: (a) A DC power line for a light-rail system carries 1,530 A at an angle of 19.0° (measured…

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Q: .An 8-m long high-tension power line carries a current of 17.5A perpendicular to the earth's…

A: Given data:  Length (L) = 8 m Current (I) = 17.5 A Angle (θ) = 90° Magnetic field (B) = 5.5×10-5 T…

Q: 8.) The Earth's magnetic poles remain in fixed positions, coinciding with the geographic poles. a.…

A: Polarity of earth's magnetic field

Q: How many poles does a magnet have? a. 1 с. 3 b. 2 d. 4 O A O B O D

A: Option B is the right answer  b. 2

Q: Which diagram correctly represents the magnetic field lines between two south magnetic poles? O a. S…

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Q: 13. Two infinitely long wires are placed as shown in the figure on the right, with /1 = 120 A placed…

A: Given a=15.0cm=0.150m,  I1=120A I2=55.0A a) First the current through wire at x=0 is upward…

Q: The magnetic force exerted on a charged particle by a B-field is affected by all but the following.

A: Magnetic force exerted on charged particle depends on which factor.

Q: 5) Two parallel wires carrying currents I₁= .75 A and I2= 2.3 A exert a force per unit length of 2.5…

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Q: When a bar magnet is suspended freely its north pole always point to O a. geographic south O b.…

A: A bar magnet is suspended freely,  we have to tell where it's north pole points.

Q: 2. A cosmic ray proton moving toward the Earth at 5.50×107 m/s experiences a magnetic force of…

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Q: 21. A current of 5.00 A flows through a wire placed at an angle of 30° to the field lines of the…

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Q: A power line carries a current of 97 A west along the tops of 8.5-m high poles. 1) How does this…

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Q: An unknown particle (m=1.23x10 26kg) with 5 electrons in deficit enters a region between two…

A: The change in kinetic energy is given by  KE = q V  where, V is the potential difference, q is the…

Q: Whal angle should a current-carrying wire make an angle with the magnetic field for the force to be…

A: We’ll answer the first question since the exact one wasn’tspecified. Please submit a new question…

Q: Two conducting wires are placed parallel to each other, 3.0 cm apart. A 2.6-A current flows through…

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Q: 5. What is the magnitude of magnetic force per unit length on a wire carrying a current of 8 A and…

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Q: 1. Draw the magnetic field lines between these two magnets. Will these two magnets repel or attract…

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Q: What is the magnitude of magnetic force per unit length on a wire carrying a current of 8 A and…

A: Given Data :Magnetic field is B=0.15TCurrent in wire is I=8AAngle between wire and magnetic field is…

Q: Find the magnitude (a factor of x10^-8) of the uniform magnetic field that causes the proton to…

A: Given : v = 1 × 107 m/s r = 6.37 × 106 m

Q: What is the magnetic force on a particle of charge 3.87 nC moves at 25 000 m/s at 55O up the x-y…

A: Given data: Charge of the particle (q) = 3.87 nC                                          =3.87*10-9…

Q: What is the magnitude of magnetic force per unit length on a wire carrying a current of 8 A and…

A: The magnetic force is a consequence of the electromagnetic force, one of the four fundamental forces…

Q: 1. Draw a magnetic field for each of the following examples. A) N.

A: In a magnet: There are two poles. They are named as Noth and South pole. The nothe pole of a magnet…

Q: 9- The charged particle, which enters the region where there are uniform electric and magnetic…

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Bar Magnet

In physics, magnetism is a phenomenon exhibited by a magnetic substance that exerts either attractive or repulsive force. A bar magnet is either a rectangular or round and hollow fit comprised of ferromagnetic materials and has a fanciful attractive field surrounded by it.