Lab 8 Physics 2

The correct answer is already highlighted.Explain Lenz's law in layman's terms. Briefly discuss & provide an illustrative example.

A magnet has a north and a south pole which are linked through a magnetic field force. Draw a diagram to illustrate the fields when: i) A single magnet is involved ii) When two magnets are next to each other with the opposite poles aligned

Explain the following. A.      Magnetic Field Strength B.      Boundary Conditions

A)The left hand rule for a coil is such that if you were to hold a coil in your left hand with your fingers pointing in the direction of the electron flow, your thumb would point in the direction of thea) electron flow b) flow lines c) face of the north pole d) none of the above. B) What is a magnetic flux line?a) It is the space around a magnet or the space in which the magnetic forces act.b) It is the magnetic force that has a definite direction at all points along a curved line from the north to south pole.c) It is the ability of a magnetic material to be easily magnetized.d) none of the above C)It is believed that a magnetic material is .........a) consists of a single large magnetic molecule b) is composed of many tiny magnetic molecules c) consists of a single non-magnetic molecule d) none of the above

17. What type of device consists of a coil with a moveable iron core.. 18. What will happen when an inductor's magnetic field collapses the voltage will? 19. What is the inductance of 5H and 100 milli H coil connected in parallel. 20. It is the magnetic field generated around a conductor when a current passes through it.

What is Ohm's Law of magnetic circuit? Derive relation between electric and magnetic circuit.

DC and AC subject: The wire shown is moving in the presence of a magnetic field. With the information given in the figure, determine the magnitude and direction of the induced voltage in the wire. Show the full solution clearly.

Pls. refer to the answer below and write the solution neatly.   Thankyou!

Draw and label the analogy between magnetic circuit and electrical circuit.

1. What is the relationship between voltage and current when there is saturation in the magnetic circuit?   2. When there is no saturation in the magnetic circuit, what is the relationship between voltage and current?   3. Briefly explain what caused the saturation in the magnetic circuit. 4. What happens to alternating current, alternating current, and alternating magnetic flux in a magnetic circuit when frequency increases?   5. When a magnetic circuit is saturated, explain two solutions that can be used so that the magnetic circuit is no longer saturated.

Multiple choice

compute the reluctance of the magnetic circuit

Request to solve the issue as per following image information (details calculation)

(3.4)The length of a magnetic circuit in a moving iron instrument is 300mm. The coil around the soft-iron core has 360 turns and takes a current of 1.75 A. The core is square in section with sides of 20 mm. Take the relative permeability of soft iron as 1100. 3.4.1) Determine the magnetomotive force in the core 3.4.2)Determine the field strength 3.4.3) Determine the total flux

Explain Ampere’s law.

a. It is said that Faraday performed some experiments before he came up with the laws mentioned. Summarize the points in his experiment in a table by mapping out the relationship between the position of the magnet and the deflection in the galvanometer. b. Write 5 applications of faraday’s law. c. According to Faraday’s first law, any minute change in the magnetic field of the coil results in emf which is induced in the coil. What are the ways in which the magnetic field can be changed?

One of the following is not a source of magnetostatic fields (Answer needed with explanation):(a) A de current in a wire(b) A permanent magnet( c) An accelerated charge(d) An electric field linearly changing with time( e) A charged disk rotating at uniform speed

b tq

The correct answer is already highlighted.Explain Faraday's law in layman's terms. Briefly discuss & provide an illustrative example.

Topic: Magnetic Field along the Axis of Circular Coil Carrying Current Question:   What will be the Magnetic field value at the center of a current-carrying coil?