How can the polarity of an electromagnet be determined if the direction of current flow is known

Q: Total flux passing through a closed surface held in an electric field is

A: Given :    In the above question they are asking a justification about the following statement is…

Q: First law of electrostatic charges

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Q: It refers to the flow of electric charges during a short period of time when the electrons are in…

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Q: According to the figure, what is the intensity of the Coulomb force on point B, in Newtons? (The…

A: According to the question we have to find the value of force.

Q: Two charged particles apply an electric force 7.2x10^3 N on each other. Distance between them gets…

A: From Coulomb's force  F1 be the initial Coulomb's force    r1 = be the initial distance between the…

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

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Q: Electroscope Chart Object Electroscope's Reaction Balloon Probable Charge = Pen Probable Charge =

A: Electroscope is an early stage device which is used to detect the electrostatic charge and its…

Q: When an electrically charged particle is moving in a magnetic field, does the magnetic force do work…

A: In this question , we will write if magnetic force acts on electrical charged particles...

Q: hat are the majority carriers in a “N” type material & will the material be a positive or negative…

A: there are two type of material present based on the charge carriers, n-type and p-type

Q: Q1/ An rectangle of sides 5cm and 10cm kept in the region of uniform electric field 100nc What is…

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Q: conservation of charges

A: Yes it is true.. parallel elements with their  currents summation will give total current in the…

Q: . “Electrical and magnetic properties of a material have strong relation with each other”, Explain…

A: It is true that the electrical and magnetic properties of the material have a strong relationship…

Q: 2. An electron is moving with a speed of 5 x 107m/s at right angle to a magnetic field of 5000 G.…

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

Q: What will be the MMF required to produce a flux density of 0.88 T in an air gap of 8 mm?

A: Given :- flux density = .88T = B             Air gap = l= 8mm= 8 ×10^-3 m         We have to…

Q: [5] The conductor becomes incandescent due to the thermal effect of the current. O the chemical…

A: The conductor becomes incantation due to given below method.

Q: B) Explain with neat diagram the principle of operation of an Electrostatic Voltmeter. Discuss its…

A: Electrical devices are used for measuring electrical parameters. Current, voltage and power are…

Q: In the figure below, show in which direction the force acting on the wire will be if the current + x…

A: Given, current + x is in the direction of the magnetic field + y.

Q: A negative charge q'is located as shown in the figure: a. I- What is the direction of the electric…

A: Given figure,

Q: A positive charge moves in parallel to a current carrying wire. What is the direction of the…

A: The given figure is,

Q: If you placed a bar of ion inside a cylindrical coil of wire, and then run dc through the wire, you…

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Q: with many different wiring patterns in use. b)  The ____ results in a material that can supply…

A: There are the few questions related to basics of electromagnets, semiconductors,and wiring in…

Q: How is the electrostatic force between two charges affected when the distance between the charges is…

A: The solution is given below

Q: What is electrically current

A: It is asked to determine the electrically current. This has been specified with the concept of…

Q: We will use a circuit containing a variable resistor (a rheostat). We apply a fixed voltage, and…

A: We need to tell about magnetic field when resistance of circuit changed .

Q: Discuss the deflection of electron beam in a C. R.O in electric and magnetic fields.

A: A cathode ray oscilloscope (CRO) is a device used to measure electrical signals, time intervals and…

Q: Compare the common three parameters of electric circuit (voltage, current & resistance) with a…

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Q: Total flux passing through a closed surface held in an electric field is charge None of these zero

A: when total flux passes through close surface then electric field is zero because the electric field…

Q: How does the electric field enclosing a given charge vary when the area enclosed by the charged is…

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Q: In an experiment in Electric Field, we concluded that the rod has a higher potential than the disc:…

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Q: The electric flux density is measured in ? coulombs per current True O False O

A: Given  units of electric flex density

Q: how you can find the magnetic field of portion of a wire with the help of Biot & Savart law.(long…

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Q: 1. What is the electrostatic force of attraction between a -5 x 10°C charge and a 3 x 106C charge if…

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Q: Two charges of - Q are 1 cm apart. If the distance between charges is increased, the magnitude of…

A: Second option is correct. The detailed explanation is provided below.

Q: + R

A: When switch is open no current flows through both the circuits unless there is some initial…

Q: Choose the best answer: The figure shows the direction of motion of a charge in a magnetic field…

A: Given : direction of motion of a charged particle  And force on it is along centre  And magnetic…

Q: Q4. Explain what makes Current-Carrying Conductor in detail. electric motor work? Explain in terms…

A: Electrical motor generally converts the electrical energy into the mechanical energy.

Q: If a current of 5 A flows through a long wire, find the magnetizing force produced 2 cm away from…

A: Magnetizing Force The sum of all the magnetic flux lines present in the magnetic field is used to…

Q: Fill in the blanks In the experiment, if the field current flows in the wrong direction, the…

A: The magnetic flux generated by an electromagnetic coil is the amount of magnetic lines of force or…

Q: Apply the concepts of magnetostatics  to compute magnetic field intensity of a long, straight wire…

A: In this question we will find magnetic field intensity due to long straight wire....

Q: A negative charge q'is located as shown in the figure: What is the direction of the electric field…

A: Answer is as follows-

Q: What is the force on an electron in an electric field of 5000 N/C?

A: So from the given question the given electric field is  E=5000 N/C. Now we have to find the force on…

Q: Which of the following produces the best electromagnet? Select one: A. COBALT B. WOOD C. PAPER D.…

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Q: Write a short report about the following electrostatic application: * Laser Printers

A: Laser printing is an electrostatic digital printing process. It produces high-quality text and…

Q: Total flux passing through a closed surface held in an electric field is zero None of these charge

A: Gauss theorem states that the net flux of an electric field in a closed surface is directly…

Q: , voltage is induced through the wire is made to cut through a magnetic field.

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Type of Magnetic Material

Every material has a unique composition that defines its magnetic behavior. Some materials get attracted towards a magnet and are called magnetic materials. Based on the magnetic properties held by each material, they are classified into different types.