A conductor will have an induced current or voltage when there is a. Relative motion between the wire and magnetic field b. A stationary magnetic field c. A stationary conductor d. a time varying magnetic field  Multiple answers is allowed

Q: 2. Examine the following diagram of a wire near the poles of a magnet. a. Describe what will happen…

A: We need to inspect the given diagram.

Q: Which of the following can induce an emf in a loop of wire placed in a region where a magnetic field…

A: According to Faraday's second law Induced emf = - rate of change of magnetic flux

Q: Answer question numbers 13, 14 and 15. Thanks❤

A: 13. One of Maxwell's equations,Ampere's Law relates the curl of the magnetic field to the current…

Q: Which of the following is not true (regarding Lenz's Law) for the situation when a magnet falls…

A: Lenz's law is a fundamental law in electromagnetism that states that an induced current in a…

Q: A planar rectangular coil of dimensions axb is oriented perpendicular to a uniform magnetic field. A…

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Q: According to Lenz's Law, the induced current flow direction will generate a magnetic flux O 1. in…

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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. 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: According to Lenz’s law, a decreasing magnetic flux will result to an induced current that produces…

A:

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: A magnet is moving toward a solenoid and a potential difference is induced between the two ends of…

A: a) if the speed of magnet is increased induced emf will increase because rate of change of flux will…

Q: Deflection reverses when the poles of the magnets are reversed. This direction of deflection shows…

A: Given : Poles of magnet are reversed. Direction of deflection shows the direction of current.

Q: What would change when the orientation of the magnet is reversed?  I. Direction of the induced…

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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: Consider a stationary silver ring immersed in a uniform magnetic field as shown. I magnitude of the…

A: Required : The correct option.

Q: If the magnetic field is in the positive x-direction, the magnetic force acting on the positive…

A: direction of the force can be found be using Fleming's left hand rule If you are not familiar with…

Q: I. Direction of the induced magnetic field II. Magnitude of the induced EMF III. Direction of the…

A: Say we have a circular loop and then a magnet with the north pole is brought towards the loop. This…

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: The magnetic flux of a coil will be positive maximum when,  a. magnetic field is perpendicular to…

A: It is being asked at what relative orientation of magnetic field and the plane of the loop is the…

Q: The induced emf in a coil as a magnet is moved relative to the coil can be increased:   a. No! This…

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Q: What happens to the flow of current when the south pole of a magnet is moving towards a coil of wire…

A: What happens to the flow of current when the south pole of a magnet is moving towards a coil of wire…

Q: The magnetic flux of a coil will be positive maximum when, a. magnetic field is parallel to the…

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Q: 1. In a charging capacitor, which of the following phenomenon is considered in Ampere's law a.…

A: 1. In a charging capacitor, displacement current is considered in Ampere's law. So option (d) is…

Q: In a bar magnet, the force of attraction is minimum (approximately no force) O a. at both ends of a…

A: We need to comment on where the force of attraction due to bar magnet is minimum.

Q: Which of the following statements best describes Oersted’s Principle ? a. A current carrying…

A: Oersted's principle states that when a steady electric current passes through a conducting wire it…

Q: A loop of electric current will create A. a long, straight B field B. a magnetic dipole B field C. a…

A: option B is correct as explained in the image attatched.

Q: An old microwave oven outputs only half the electric field it used to. How much longer does it take…

A: Given data: The electric field output of the old microwave is E'=E/2.   The expression for the…

Q: 20. Both conducting loops shown below are coplanar (in the y/z axes) and carry current as shown.…

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Q: 17. Determine the voltage across and the current through two resistors of 6 Ohms and 12 Ohms…

A: Resistance of 1st resistor is R1 = 6 ohm Resistance of 2nd resistor is R2 = 12 ohm Voltage across…

Q: Which of the following statements is FALSE regarding the experiment in magnetic field where you…

A: Required False statements

Q: magnetic flux

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: he bar magnet is flipped over and the south pole is

A: 1. When the south pole brought near the steel ball , the ball is still attracted towards the magenet…

Q: Which of the following statements is TRUE when the magnet is dropped inside the solenoid? A. The…

A: When the magnet is dropped inside a solenoid, magnetic flux increases through the solenoid. It keeps…

Q: What is the difference between a conductor and an insulator? a. An insulator allows electricity to…

A: 1) A conductor is a material which allows electricity to flow through it easily and an insulator…

Q: In generating electricity, a magnet, surrounded by wires connected to the electrical grid, will be…

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Q: When you push the South end of a magnet into a solenoid, it creates a negative voltage. If you push…

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Q: SUPPOSE THAT A CIRCULAR WIRE LOOP PLACED IN uniform magnetic FIeld region such that its plane is…

A: What cause emf in close loop ? We know that an emf is induced in coil when magnetic flux with…

Q: According to Gauss' law for magnetism, the second equation of Maxwell's Equations shown below,…

A: Gauss law of magnetism states that the divergence of the magnetic field vector is zero or is…

Q: When does electromagnetic induction occur in a coil of wire? Select one: a. When there is a change…

A: When does electromagnetic induction occur in a coil of wire?