O Two south poles are facing each other Two north poles are facing each other A north pole is facing a south pole each other Two like poles are facing each other

Q: A physics lab instructor is working on a new demonstration. She attaches two identical conducting…

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Q: Why does a balloon stick to your sweater?

A: If balloon rub with sweater, electron transfers on sweater hence it becomes negatively charged and…

Q: R has a magnitude of 104. Which of the following COULD NOT be Ry? Choose all that apply. 104 -104…

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Q: A construction worker places a compass at various positions on a wall until the compass needle…

A: We know that a current carrying conductors produce magnetic field. Since is compass is constructed…

Q: The force of attraction is taken as negative and force of repulsion as positive. why?

A: The given phenomenon can be understand by taking an example of electric force between two charge…

Q: A proton and an electron are initially at rest at a distance of 9x10-10 What will be their initial…

A: Given values: Distance between proton and electron, r=9×10-10 m Charge of electron, e=-1.6×10-19 C…

Q: A proton is located at an altitude of 1 km above the Earth's surface. When it is fired downwards…

A: Given: A proton located at an altitude of 1 km above the Earth's surface. It is fired downward and…

Q: you have two protons separated by 8 cm. Remove them so they are 2 cm apart. The force between the…

A: Given Data Initially the distance between two protons di = 8 cm. Finally the distance between two…

Q: The force between two charged objects drop off as     distance squared     1 over the distance…

A: The expression for the forces between two charged objects is F=kQ1Q2r2 so, which can be written as F…

Q: Help I cannot solve number 4! I am confused

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Q: A positive charge and a negative charge held near each other are released. As they move, the force…

A: The force of repulsion or attraction can be represented as, Here, k, q, and r represent the…

Q: The electrical force between two charged objects depends on:

A: Given: The correct option and explanation are shown as:

Q: Elena has two magnets. She puts one under a piece of paper. She holds the other above it. The…

A: The bar magnet consists of North Pole and a south pole. The magnetic field emerges from North Pole…

Q: Which force is stronger between a proton and an electron, the Electric Force or the Gravitational…

A: we know that,mp=1.67×10-27 kgme=9.1×10-31 kgqn=1.6×10-19 Cqe=-1.6×10-19 C

Q: If you cut a piece of bar margnet into 2 pieces, one piece will north pole, south pole, north and…

A: We have given a piece of bar magnet and then cut into two pieces. Now, we have to tell about the…

Q: The electric charge on an electron is     the same as that of a hydrogen atom.     the same…

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Q: Objects become electrostatically charged when neutrons move from one object to another protons move…

A: The electronic charge is known as the fundamental charge. The charge of any object in the universe…

Q: You rubbed a balloon against your hair and touch it to a wall. The balloon stuck to the wall. The…

A: When balloon rubbed with hair, it got some charge. And after then touching to the wall, it creates…

Q: A train or vehicle is supported or propelled by repulsive forces or electromagnets. This is known as…

A: Given, train or vehicle is being supported or propelled by repulsive forces or electromagnets.

Q: A proton at position 'A' would go and an electron at 'B' would go North West East В South O West…

A: The proton and electron both will attract each other because they both are of the opposite polarity.…

Q: A force of 8.3 N makes an angle of 17° (counter-clockwise) with the +X axis. The Y component of the…

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Q: A gravitational field vector points toward Earth; an electric field vector points toward an…

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Q: Cont Fill in the blanks. is a force between two objects (or an object and a a. surface) that is in…

A: Contact force acts between objects having in  contact to each other On the other hand,  non contact…

Q: In the Bohr model of the hydrogen atom the velocity of the electron is approximately 2.2 x 10° m/s.…

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Q: Two equally charged spheres attract each other. Now if they touch each other then they wil

A: It is known that opposite charge attracts each other while the similar charge repels each other.

Q: What do the gravitational force and the electric force have in common? Both forces depend on mass.…

A: What do gravitational force and electric force have in common ?

Q: A charge

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Q: 22. law states that the magnitude of the force exerted by an ideal spring is directly proportional…

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Q: Magnetism is
 Group of answer choices   a force of its own produced by isolated magnetic charges.…

A: Given:Magnetism is:Now,Magnetism is the force exerted by magnets when they attract or repel each…

Q: The Earth is surrounded by fields; a. The direction of the gravitational field around the earth is;…

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Q: An object has positive electric charge whenever; (A It has an excess of electrons. B The nucleus of…

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Q: Two charged particles moving with velocities vį and v2 have some separation between them. The ratio…

A: Given data: Velocity of charged particle 1 is, v1. Velocity of charged particle 2 is, v2.

Q: Classification of forces in physics is Electrical force O Gravitational force O All Nuclear force O…

A: The classification of forces in Physics is given as under. Gravitational force Nuclear force…

Q: A student is asked to build and demonstrate a working temporary magnet called an electromagnet. The…

A: Given : To choose the correct pair of items to make a electromagnet.

Q: Electric Current is a Scalar Quantity but it Possesses Magnitude and Direction. Why?

A: A vector quantity is defined as a physical quantity having both magnitude and direction. But there…

Q: The reason a magnet can attract an un-magnetized nail is that a magnet can attract any metal object…

A: A magnet can be said to be an object which is able to create its own magnetic field. A magnet will…

Q: toy train has an engine that weighs 150 grams. It is coupled to a car with a mass of 30 grams. The…

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Q: An object with an imbalance of electrons and neutrons is electrically charged.  True  False

A: An object can be electrically charged or neutral. Positively charged objects : Objects having more…

Q: If distance between charges are increased by 4 times then the electric force between charges   A.…

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Q: Determine the direction of the force that will act on the charge in each of the following…

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Q: The electric force between two charges in space is * directly proportional to the magnitude of…

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Q: What is static electricity? А. Electricity that flows in one direction В. Electricity that is sent…

A: When two objects are rubbed together, bhoot acquires electrical charge on the surface, this charge…

Q: Classify each statement according to whether it describes electric force, gravitational force, or…

A: So, we have to determine in which blank these statements will fall. Answer is discussed below.

Q: You are attracted to the Earth as much as the Earth is attracted to you. True or False

A: Yes we attracts Earth as Earth attract us. We are attracted to Earth by Gravitational force of…

Q: conducting sphere of radius 0.01 m has a charge of 1.0 × 10–9 C deposited on it. The magnitude of…

A: We know that , The electric field   E =  K Q / r2  Where K = 9× 109 N meter square per columb sauqre…

Q: with an essentially uniform width of 21.0 m has a constant water current of 1.50 m/s going towards…

A: Given that  Width of river d= 21m Speed of river Vrg=1.50m/s Speed of man Vmg= 2m/s

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.