Force on a Wire: The magnetic force on a current-carrying wire in a magnetic field is the strongest when Group of answer choices A. the current is at a 180° angle with respect to the magnetic field lines. B. the current is perpendicular to the magnetic field lines. C. the current is in the direction opposite to the magnetic field lines. D. the current is at a 0° angle with respect to the magnetic field lines. E. the current is in the direction of the magnetic field lines.

Q: Suppose a person's eyes have a relaxed power of 50.62 D. Assume a 2.00 cm distance from the retina…

A:

Q: A rope is wrapped around a circular pulley such that its acceleration is given by a = 10t (in m/s2,…

A:

Q: A car travels along the three legs of an equilateral triangle. The speed for the three legs is as…

A:

Q: An electric razor completes 60 cycles every second. What is its frequency? What is its period?

A:

Q: In a coil of area 12cm^2 and 20 turns with a magnetic field directed perpendicular to the plane and…

A: Data  we have Area=12cm2=12×10-4m2 N=20 turns The rate of change of magnetic feilddBdt=104T/s…

Q: In an electrically heated home, the temperature of the ground in contact with a concrete basement…

A:

Q: Two +2.11-uC point charges are placed at the corners of the base of an equilateral triangle. At…

A: Given, Two +2.11μC point charge are placed at the corners of the base of an equilateral triangle.q1…

Q: Find the coordinates of the centroid (to the nearest 0.01 in.) of the uniform flat-plate machine…

A: Given that:

Q: Exercise 13) Determine the magnitude and direction of the force between two parallel wires 25 m long…

A:

Q: Calculate: a) total distance  b) avarage speed

A: All the required data can be observed in the table given

Q: Which of the following substances is NOT homogeneous? O 1. iron O 2. water 3. sand O 4. sugar

A: Homogeneous mixture is uniform composition

Q: Organ pipe A, with both ends open, has a fundamental frequency of 310 Hz. The third harmonic of…

A: Standing Sound Wave:  A open or closed organ  pipe which contain standing sound wave   have certain…

Q: In accordance with the Bohr's model, find the quantum number that characterises the earth's…

A: In the question it is given that ,  Mass of the earth , m=6×1024 kg Radius of the orbit, r= 1.5×1011…

Q: .74 Neglecting viscous resistance, determine the force of the vater per unit of width acting on a…

A: Upstream depth =5ft Downstream depth=0.6ft

Q: You left a glass full of homogenized milk on a table undisturbed for half an hour. What would result…

A: If I left a glass full of homogenized milk on a table undisturbed for half an hour. If I shined a…

Q: A spring has a spring constant of 1573 N/m. You place the spring vertically with one end on the…

A:

Q: The contact lens prescription for a nearsighted person is –3.5 D, and the person has a far point of…

A: power of contact lens  =  –3.5 D far point of person    =  24 cm

Q: 6.91 A valve at the end of a gasoline pipeline is rapidly closed (assume it is closed…

A: Initial velocity=12m/s Bulk modulus=715mpa

Q: 04/ 2. Suppose that motion studies of a runner show that the maximum speed he can maintain for a…

A:

Q: Refer to the given circuit. R2 = 50 R1 = 6 N R3 = 4 N R4 = 4 N R5 = 8 N DURACELL VT = 10 V Solve for…

A:

Q: A 23.0-kg file cabinet of is sliding down a frictionless ramp for a distance of 5.00 m as shown. Use…

A: Given that:- Mass of file cabinet=23kg

Q: i,A garden is rectangular being 22 m wide and 45 m long. How long is a line drawn from one corner to…

A:

Q: 36 Which of the following objects has the smallest kinetic energy? An object of mass 3m and speed 2v…

A: Introduction: The kinetic energy of the object depends upon the mass of the object, the speed of the…

Q: 4. A source emits sound uniformly in all directions. There are no reflections of the sound. At a…

A: Given Intensity of the sound = 5.0 × 10-3 W/m2 Distance of this intensity from source = 12 m We have…

Q: The focal length of a thin lens is −20.0 cm. A screen is placed 125 cm from the lens. What is the…

A: It is Given that the focal length of a thik lens is -20.0 cm A screen is placed 125 cm from the lens

Q: Brad (mass 75.0 kg) and Janet (mass 60.0 kg) are doing a pairs figure skating routine on ice. Brad…

A:

Q: A grab driver is traveling at 15 m/s when the traffic light 787 ft ahead suddenly turns red. The…

A:

Q: Boat A moves with a constant velocity of 20ft/s, starting from the position shown in the…

A:

Q: en you decided to use a concave lens what type of image be produced? virtual, upright larger real,…

A: Concave lens is the diverging lens.

Q: Two +2.11-uC point charges are placed at the corners of the base of an equilateral triangle. At…

A:

Q: 15 A ball dropped from the roof of a building takes 4s to reach the ground. What is the velocity of…

A: Given: The intial velocity of the ball is 0 m/s. The time interval is 4 s.

Q: Calculate the current through each resistor. Assume that the values of the resistances are R_1=…

A: As per guideline we are suppose to do only first three subpart from multipart question. Given.R1 =…

Q: You send a beam of light from a material with index of refraction 1.19 into an unknown material. In…

A: Given data:  Index of refraction of first material (n1) = 1.19 Angle of incidence (i) = 41.9° Angle…

Q: Car B is traveling a distanced ahead of car A. Both cars are traveling at 60 ft/s when the driver of…

A:

Q: 40. (II) One mole of N, gas at 0°C is heated to 100°C at constant pressure (1.00 atm). Determine (a)…

A: Initial temperature=0 Final temperature=100

Q: The speed of light c in a vacuum is 2.997 × 10% m/s. Given that the index of refraction in fresh…

A: Given Data: The speed of light in the vacuum is:  c=2.997×108 m/s The refractive index of freshwater…

Q: Choose true or false for each statement regarding a diverging lens. If an object is placed 8.1…

A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts…

Q: Describe similarities and differences between convex lenses and concave mirrors.

A: Given Convex lense and concave mirror We have to find the similarities and differences between these…

Q: Give two examples of convex and concave mirrors in your area of study/interest.

A: Convex mirror : A little picture is formed by the convex mirror.  (1) In the side view mirrors of…

Q: A 2μF and 6μF capacitor are connected in series with a 12V battery. What is the maximum charge…

A: Since the capacitors in series have the same charging current flowing through them, their charges…

Q: You switch from a 60x oil immersion objective with an NA of 1.40 to a 40x air immersion objective…

A: we have to find the acceptance angle for the oil immersive object. Refractive index=1.51

Q: Refer to the given circuit. R2 = 50 R1 = 6 N R3 = 4 N R4 = 4 N R5 = 8 2 %3D DURACELL VT = 10 V How…

A:

Q: 5. In the figure below, with an emf equal to 12.0 V, R, = 6.0 N and R2 = 18.0 N. How much energy is…

A:

Q: An interferogram of monochromatic light of 2000.0 cm 1 will result in maximum intensity of the…

A: Given:  A monochromatic light of 2000 cm-1 .

Q: An extremely light thread is used to link two masses. A force of 100 N is applied to the mass on the…

A:

Q: Which of the following is a pure substance? O 1. a cube of sugar 2. a block of wood 3. a strap of…

A: Ans - a cube of sugar

Q: An object with a mass of 10 kilograms slides down an inclined plane with an angle theta=30 degrees.…

A:

Q: A rose in a vase is placed 0.410 m in front of a plane mirror. Nagar looks into the mirror from 3.70…

A:

Q: A solid conducting cylinder of radius R1 = 10 cm is fixed coaxially within a cylindrical shell of…

A: Given information: The potential difference between the inner conductor and the outer shell is "9…

Q: What must be true in order for two objects to be resolvable? (ii.) Suppose a 5.0 m diameter…

A: Given The diameter of the telescope = 5 m Mars - moon Distance = 80.5 million km = 8.05 x 10 7 km…

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.