Using the dip needle readings shown, calculate the horizontal component of the Earth’s magnetic induction, B, as shown in your lab manual. The totalmagnetic induction in Los Angeles, CA is B = 48.568 mT.

Q: 12.  The magnitude of a magnetic field that passes through a stationary wire loop (consists of 50…

A: Area of the loop A=0.15 m2 Number of turns N=50 turns The angle between field and normal to the loop…

Q: 4. A rectangular coil that has a length of 16.5 cm and a width of 8.0 cm containing 17 loops lies…

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Q: a) Elissa bought a 1000 W, 120 V hair dryer from USA using e-commerce pl- However, she realized that…

A: The hair dryer parameters are 1000 W and 120 V. i) According to the Hair dryer the current that will…

Q: 1. An electron having velocity v=-1.2×10* j m/s enters a uniform magnetic field of 2 T as shown in…

A: NOTE: As per Bartleby Guidelines only three subparts have to be solved at a time. Kindly upload…

Q: 2. You have a solenoid that is 40 cm long and with 350 turns and want to produce a magnetic field…

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Q: 12. The dipole moment associated with an atom of iron in an iron bar is 1.8 x 10-23 amp-m?. Assume…

A: Given, The dipole moment of one atom is μo=1.8×10-23A/m2 length of iron bar is L=5cm the…

Q: Q3: A circular loop of 27 turns, made of tungsten wire, is placed in a magnetic field of 3.2 T. The…

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Q: 1. A thin ring rotates about an axis perpendicular to a uniform magnetic field H. Its initial…

A: Let the area of the ring be A, the radius of the ring be a, the resistance of the ring be R, the…

Q: 3. A wire is moving on frictionless rails in a uniform magnetic field, as shown to the right. The…

A: We have a wire of length L=5 cm=0.05 m which is moving along a rail experiencing a magnetic field of…

Q: 1. When a magnet is passed through a conducting wire coil, the changing magnetic flux will induce A.…

A: Faraday states that, When a magnet is moved through a coil of wire, the magnetic field will change…

Q: 9. The following are factors involved in the induced emf of a coil of wire EXCEPT A. The induced emf…

A: The induced EMF is defined as the generation of a voltage or potential difference in a coil due to a…

Q: 34. * Equation Jeopardy 2 The equation be- low describes a process involving magnet- ism. Solve for…

A: We will answer the question by identifying forces in the equation. The detailed steps are given…

Q: 5. Consider two concentric conducting spherical shells. Inner shell carries an excess charge of -3…

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Q: he electromagnet to the other

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Q: Consider the arrangement shown in the Figure below. Assume R5 6.00 2, , I is 1.20 m, and a uniform…

A: Given: R= 6 ohm L = 1.20 m B= 2.50 T We have to calculate speed when current is 0.50 A The rate of…

Q: 11. Which statement is true? A. The magnetic field created by a single current loop is weakest…

A: As per guidelines we are suppose to do only one question from multiple question and three subpart…

Q: 23. A 1000-kg car moves west along the equator. At this location Earth's magnetic field is 3.5 ×…

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Q: 5. Describe the phenomenon of diamagnetism. A grape (which consists mainly of water, a diamagnetic…

A: Describe the phenomenon of diamagnetism.

Q: Using one of the equations in Ampere’s Law which is B=(2πr), prove that at any point inside the…

A: Firstly we make an amperian loop and then use Ampere circular law to  find magnetic inductionat…

Q: Find the speed of the electron.

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

Q: 1. What is Gauss's law for magnetism? A. The total magnetic flux through a closed surface is equal…

A: The Gauss Law of magnetism states that the magnetic flux through the closed surface is equal to…

Q: 3. The diagram below shows a rectangular 35.0-turn coil of wire with W=3.71 cm and L= 4.21 cm that…

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Q: he figure shows a wire loop made of copper wire with a radius of 0.1 cm with side lengths of 20 cm x…

A: Given Radius of wire- 0.1cm Crossection of the loop- 20*80 cm B=30T (perpendicular to the loop)…

Q: A wire is formed into a circle having a diameter of 15 cm and placed in a uniform magnetic field of…

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Q: 7. In the diagram shown below, a 0.45 T uniform magnetic field is directed into the plane of the…

A: Given: The strength of the magnetic field is 0.45 T into the plane. The resistance of the circuit is…

Q: We can change the direction of rotation of a DC motor by changing the polarity of the electric…

A: The direction of electromagnetic torque developed by armature of the DC motor depends upon the…

Q: A circuit with current I has two long parallel wire sections that carry current in opposite…

A: Draw the diagram.

Q: 4. Suppose the light bulb in the figure below is replaced with a short wire of zero resistance, and…

A: Resistivity of iron , ρ = 9.2 x 10-8 Ωm cross sectional area , A = 3.5 x 10-6 m2 velocity , v = 1…

Q: 2. A solid conducting disk on a shaft is rotated in an external uniform magnetic field directed…

A: Answer = 32.4 revolutions per second Solution +++++++++++++++++++ We know that emf induced due to…

Q: 4. Suppose the light bulb in the figure below is replaced with a short wire of zero resistance, and…

A: Given data: The resistivity is ρ=9.20×10-8Ω.m The area is A=3.20×10-6m2 The speed is v=3.0 m/s The…

Q: chanically. video Pendulum Magnetic Braking found uminum per um is initiall

A: a)For the pendulum swinging counterclockwise into the magnetic field, the eddy current will be…

Q: 2. A flat, circular loop has 50 turns. The radius of the loop is 15-m and the voltage and resistance…

A: The magnetic field strength at the center of a circular loop of radius r and n when i current is…

Q: 6) wire with a resistor of 3002. A uniform magnetic field of magnitude B = 0.5 T points into the…

A: Faraday's law:- It states that  rate of change of magnetic flux is equal to the emf produced .  e =…

Q: 11. As shown in the Figure, a coil with 20 turns of wire is wrapped on a frame with a square cross…

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Q: How much current must flow through a long straight wire for the magnetic field strength to be 1.0 mT…

A: Given data, Magnetic field B=1 ×10-3 T Length l=0.02 m Constant μ0=4π×10-7 m/A

Q: 5. A search coil consisting of N turns of wire in a circle of radius r is used to measure small…

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Q: When a magnet is passed through a conducting wire coil, the changing magnetic flux will induce

A: Answer  A    an electromagnetic force in the coil.

Q: 1. A city of 30, 000 people receives 1.25 kW per person from a pair of transmission lines across…

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Q: a. Draw the earth magnetic field and show where the intensity is the strongest and weakest. b. Show…

A: This question can be solved by using the various concepts of physics.

Q: Two coils are connected to different power supplies. Each coil carries a current of 0.15 A. Coil A…

A: According to Ampere's current law, ∫B→.dl→=μ0I If current associated with each turn of coil is I.…

Q: 1. A charge of magnitude of 0.5 µC moving in a uniform magnetic field with a speed of 4.0x10° m/s…

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Q: 8. A coil with an inductance of 1.5 H and a resistance of 10 Ais suddenly connected to an ideal…

A: Given data The inductance of the coil is L = 1.5 H. The resistance of the coil is R = 10 Ω. The emf…

Q: value in K.

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Q: 29. You can change the magnetic flux through a given surface by a. changing the magnetic field. b.…

A: The magnetic flux through a given surface is given by the formula Φ = B⋅A⋅cosθ, where B is the…

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: You are hired to help design a transformer that will help to reduce the power loss through an 1002…

A: a. As we are decreasing  the power  loss from  10 % to 0.10% so we need here a step-up transformer…

Q: How will you change the magnitude of the magnetic field?  I. Increasing/decreasing the number of…

A: Magnetic field is proportional to the number of current loops. Changing  the surface area ,…

Q: 1. Describe an example in which the magnetic flux through a surface is zero and the magnetic field…

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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.