Which object might have the pattern of magnetic domains shown in the Image? 主 主 A. Cotton fabric near a magnet B. A piece of iron, not near a magnet C. Cotton fabric, not near a magnet D. A piece of iron near a magnet

Q: 16. A coil with a current is shown below. In the center of the coil, what direction does the…

A: For the given,  The direction of the magnetic field is given by right hand thumb rule, where the…

Q: Magnet A has twice the magnetic field strength of Magnet B and at a certain distance pulls on magnet…

A: Given The magnetic field strength of magnet A is BA=2BB (BB is the magnetic field strength of the…

Q: A rival has created a device to scare off a teacher due to his noted fear of electrons. Around her…

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Q: One pole of a magnet attracts a nail. Will the other pole of the magnet attract the nail?…

A: When a nail is bought near any one of the poles of the magnet, the magnetic moments inside the nail…

Q: A long wire carrying 4.5A of current makes two 90° bends, as shown inf the figure below. The bent…

A: Given, current, I = 4.5 A  uniform magnetic field , B = 0.35 T  Magnitude of magnetic force on wire…

Q: 3) A current of 40A flows through a 5m wire with a magnetic field of 150T as shown in the figures…

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Q: 1. A 14.0 cm long wire experiences a magnetic force of 0.370 N. If the perpendicular magnetic field…

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Q: The invisible field surrounding all magnets exerts forces on the of other magnets. O a north pole…

A: Space surrounding a magnet in which magnetic force is executed, is called magnetic field. A magnetic…

Q: 1 Which of the following is incorrect. Earth's magnetic poles and geographic poles differ. They want…

A: Last option

Q: Gulliver travels around the world to determine the magnetic field of several areas of interest. In…

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Q: 15) What is the strength of a magnetic field when a charge of 6.38 e -19-C generates a force of…

A: Given: The magnitude of charge, q=6.38×10-19 C. The magnetic force on the charge, F=1.73 N. The…

Q: Describe how to plot the magnetic field pattern of a magnet using a compass.

A: Step 1 The compass is a device that is used to find direction with the help of the magnetic field of…

Q: A strong magnet attracts a paper clip to itself with a certain force. Does the paper clip exert a…

A: According to Newton’s third law, the paper clip will also exert equal amount of force on magnetic.

Q: If you have an electromagnet, how can you make its magnetic field stronger? 10. a. Increase the size…

A: We can increase the strength of the electromagnet,by increasing the number of loopsof wire,around…

Q: 33. A teacher used the equipment shown in the image below to demonstrate the motor effect.…

A: Introduction: Here, the conducting wire is placed perpendicular to the magnetic field (direction of…

Q: 6. Which statement is incorrect? (a) The discrepancy between the magnetic S pole and the geographic…

A: Five statements regarding the magnetism are given and we are required to identify the incorrect…

Q: Neurons in our bodies carry weak currents that produce detectable magnetic fields. A technique…

A: Given: Magnetic field B = 1.1×10-15 T Distance from neuron d = 5.2 cm. = 0.052 m.

Q: 14. What will be the direction of the magnetic force in the illustration below? Hint: Index = Charge…

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Q: 18 Which of the following best describes all magnets found in nature? F They have only one pole. G…

A: 18) to identify the best statetment regarding all magnets found in nature

Q: 1)This is an electric current driven magnet A. Permananet magnet B. Ferromagnet C. Natural Magnet…

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Q: 2. A wire is attached loosely to two blocks as shown in the diagram below. Draw magnetic field lines…

A: A wire attached to two blocks in a magnetic field B directed into the page is drawn below:

Q: what is a temporary magnet made from an iron nail, wire, and a battery is called

A: Using wire , iron nail and a battery we can construct a temporary magnet .

Q: Draw a bar magnet and its magnetic field lines.

A: We will draw a diagram of bar magnet with field lines . The direction of magnetic field lines…

Q: How much current is needed in a 5-winding, 10 cm diameter coil to produce a 0.5 G magnetic field at…

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Q: Question 5 Which of the following provides evidence that energy is stored in the magnetic field…

A: The formula for the energy stored in a magnetic field is E = (1/2) L I2. The energy stored in a…

Q: The South pole of a bar magnet is held in a fixed position near a positively-charged Ping-Pong ball.…

A: When a moving charge is placed in placed in a magnetic field, it experiences force.

Q: Draw two sets of bar magnets. One where the bar magnets are “attracting” each other and one where…

A: Draw two sets of bar magnets. One where the bar magnets are “attracting” each other and one where…

Q: Green turtles use the earth’s magnetic field to navigate. They seem to use the field to tell them…

A: Green turtles can apparently detect the differences in the magnetic field that exists in different…

Q: The direction of the net magnetic field at point A due to the current in the wire shown in the…

A: A current-carrying conductor will always produce a magnetic field & its magnitude depends on the…

Q: 1. Trisha is curious about magnets. She finds four magnets of different shapes and sizes: a small…

A: 1. The shape of a magnet does affect its strength. If a magnet has a more pointed end, that end will…

Q: 6. A 10 cm long rod is placed on two parallel rails so that it completes a loop. This device is…

A: Given  Length of rod l=0.1 m Magnetic field B=4T

Q: urrentAtemptIN Progress In the figure, point P, is at perpendicular distance R- 20.9 cm from one end…

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Q: Question 2 If two objects are interacting in a magnetic field, changing the relative positions of…

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Q: You are lost in the woods!  But you happen to have a magnetic field sensor with you.  This sensor…

A: Magnetic field sensor are very small devices which are used to detect and measuring the magnetic…

Q: A straight segment of wire 35.0 cm long carrying a current of 1.40 A is in a uniform magnetic field.…

A: Given,  L = 35 cm  I = 1.40 A  Θ = 53°  As we know that,  The force due to a L length, I current…

Q: Your eccentric new boss gives you a task; you must pick up a bunch of paperclips magnetically but…

A: Electromagnet An electromagnet is a type of magnet in which the magnetic field is produced by an…

Q: Indicate whether the magnetic field created in each of the three situations shown in the figure is…

A: From Right-Hand Thumb rule:

Q: Gulliver travels around the world to determine the magnetic field of several areas of interest. In…

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Q: Choose the correct option.The magnetic field inside a long straight solenoidcarrying current(a) is…

A: A solenoid can be understood as a long tightly wound cylindrical coil of wires.

Q: 20 A of current flows through a square loop where each side is 20 cm in length. At each corner of…

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Q: 3. Maria makes is making an electromagnet. She uses a 6-volt battery and she uses an iron nail.…

A: b.  Doubling the number of times the wire wraps around the nail.

Q: 37. Magnetic fields are produced by particles that are A) moving and charged B) moving and neutral…

A: As we know the magnetic field is developed across the current carrying wire, where the current is…

Q: 3. Bacteria that can detect magnetic fields are called magnetotactic bacteria. They contain…

A: Given : Statement related to the magnetic field of the Earth and the various bacteria and mineral…

Q: Describe how you could measure the magnetic force due to an external uniform magnetic field using…

A: Suppose: The magnitude of magnetic field = B The positively charged particle (q) is moving with…

Q: 44. Which of the following are the source of Magnetic Field?  a.   Permanent Magnets  b.   Earth  c.…

A: Magnetic Field: A magnetic field can be defined as the physical field around a magnet. These…

Q: 105. Which diagram correctly shows a magnetic field configuration? (1) (3) (2) (4) 106. The diagram…

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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.