6. Write Biot-Savart's Law formula for a coil, define each parameter in the formula and explain why it is used for?
Q: The sketches below show a circular coil and a permanent magnet; the arrows indicate both the…
A: The magnetic field can be altered by the movement of a magnet to produce electromotive force in a…
Q: 1. Current loop in B-field: 13 Show that though the net fore on the loop is zero; the torque is not.…
A: Given: Closed loop To proove: The net force is zero, whereas the torque is not zero To find…
Q: The commutator-brush system in the simple DC motor you studied functions to A. flip the current…
A: The commutator reverse the current in the armature every revolution to keep the motor rotating!…
Q: 3. You have a rod-shaped magnet, and a coil of wire connected to a voltmeter. Under which of the…
A: Faraday's law states that when a magnetic flux passing through a conducting loop changes, an…
Q: 3. One way of expressing the rule for magnetic field lines around a current-carrying wire is that if…
A: Right Hand Palm Rule: This rule is used for identifying the direction of current and the magnetic…
Q: The general equation to calculate the magnetic field Bis known as the law of: O to. Faraday's Law O…
A: Ampere's law is the general formula to find out the magnetic field due to the current. Option C is…
Q: 4. Given the circular coil shown below, calculate the magnitude of: a. Magnetic moment b. Torque on…
A: Given: The radius of the coil is 2.5 inches. The current in the loop is 45 A. The magnetic field is…
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: The magnetic field produced at centre of a current carrying circular wire depends on: O a. number of…
A: solution as
Q: A transformer is to be used to step up voltage from an alternating current source from 120 V to 1800…
A: Given that:- The primary alternating voltage source is V1 = 120 V. The secondary alternating voltage…
Q: 6. Write Biot-Savart's Law formula for a coil, define each parameter in the formula and explain why…
A:
Q: Q8. What if you were to start with the south pole of the bar magnet sitting in the front half of…
A: A magnetic field is created by an electric current flowing through a wire.
Q: In a double loop, voltage N S Which is true? A. The upper coil gives more current B. The lower col…
A:
Q: 7. Which of the following is a good description of the domains found in the south pole of a bar…
A: The question asks about the description of the domains found at the south pole of a bar magnet.
Q: Q14. Magnetic field inside a solenoid is . A. Strong at N pole and weak at S pole B. Strong at S…
A: The magnetic field within the solenoid is uniform and parallel to the axis of the solenoid.
Q: In a single loop, what happens to the voltmeter pin when the magnet is moved back and forth? N S A.…
A: Faraday's law of induction: The induced emf is directly proportional to the rate of change of…
Q: Which of the following rule is used to determine the direction of rotation of the coil of the D.C…
A: The direction of rotation of the coil in dc motor
Q: 4. Given the circular coil shown below, calculate the magnitude of: a. Magnetic moment b. Torque on…
A:
Q: Kh-13E. If the compass of the tangent galvanometer makes angle θ with respect to the earth magnetic…
A: Given, Earth magnetic field and coil having current.
Q: A transformer with 30 primary turns is joined to a 240[V] alternating current supply. What is the…
A: Given data The number of turns in the primary transformer is given as Np = 30. The voltage of the…
Q: The torque on a solenoid in a magnetic field is not a function of its ____. A. loop area B. number…
A: torque = force x radius force in magnetic field = i*l*B i = current l…
Q: 1. The metal sphere in figure hangs by a thread. When the north pole of a magnet is brought near,…
A: A metal sphere is a neutral sphere. It carries the same amount of north and south poles.
Q: Describe the difference in what happens when you move the magnet through the coil slowly vs.…
A: The moment of the magnet through the coil gives us induced voltage in the coil which is produced due…
Q: Why Hysteresis Losses of DC motor is constant? a. It does not depends on load current b. none…
A: Why Hysteresis Losses of DC motor is constant?a. It does not depends on load current b. none of the…
Q: What happens to the field if instead the length of the solenoid is doubled, with the number of turns…
A: We know, B = μoIN / L where, N = number of turns in the solenoid I = current in the coil L = length…
Q: The sketches below show a circular coil and a permanent magnet; the arrows indicate both the…
A: We are going to follow these basic concept to solve this question.
Q: Which of the following rule is used to determine the direction of rotation of the coil of the D.C…
A: Right hand rule gives the direction of motion of coil.
Q: 20. Both conducting loops shown below are coplanar (in the y/z axes) and carry current as shown.…
A:
Q: What is a magnetic dipole? Define magnetic dipole moment for a closed circuit
A: A current loop, current carrying solenoid and a current carrying circular coil also behaves like a…
Q: A 0.250-mH coil is carrying a current of 6.0 A. What is the stored energy in the coil. a. 4.5 x 10 J…
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Q: DO OC stay the same. Look at the following graphs. Predict which graph you think would best describe…
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Q: 5. In your own words, explain Ampere's Law and its significance (explain both sides of equation).…
A: Every magnetic has its own magnetic field. The Magnetic field is defined as the region of space…
Q: On the freeway, there are also induction loops to detect cars’ speed. Concidering when you move a…
A: In the coil, the voltage is induced due to the relative motion between the coil and the magnet.
Q: When you move the magnet towards the coil, describe what happen inside the coil. Explain your…
A: Whenever a magnet in the vicinity of a coil is brought near it or moved away from it, an…
Q: 67. ⚫CE Transformer 1 has a primary current Ip and a secondary current I. Transformer 2 has twice as…
A:
Q: 2. A ferromagnetic structure shown in figure the dimensions are shown in the figure. The coils are…
A:
Q: Which of the following affect the magnetic energy of a current-carrying coil. Select all that apply.…
A: Let's check each option one by one a. Current I Correct magentic field is directly proportional to…
Q: 7. What can be done to increase the effects of an electromagnet?
A: (7) What can be done to increase the effects of an electromagnet.
Q: 10. A square coil that has 16.5 cm on each side containing 17 loops lies flat on your desk as shown…
A:
Q: 1: Figure shows two coils; coil A and coil B. Coil A will generate magnetic field that coil B will…
A: A current is flowing through circuit "A" .Another circuit without a voltage source is kept near the…
Q: A flux of 25 X10^5 Maxwell links with a 1500 turn coil when a current of 3 A passes through the…
A: Given,ϕ=25×105 WbN= 1500I= 3AA) Inductance, L=NϕlL= 1500×25×1053= 1250×106 HL= 1250×106H
Q: Kh-13E. If the compass of the tangent galvanometer makes angle e with respect to the earth magnetic…
A: Given, Angle produced by compass with Be is θ. Coil plane is parallel to Earth's magnetic field.
Q: olve for the voltage and current in each res
A: According to ohms law V = IR
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