Physics behind rfid card and reader(focus on magnetic field involved
Q: a) State whether the magnetic fields around each wire are clockwise or counter-clockwise. Will the…
A: a) As we can see in part a) that there are two wires in which the current flowing in one wire is…
Q: ) Two parallel wires, one with a current io in the upward direction and the other without any…
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Q: Predict: If a stronger magnet is used to create the change in magnetic field, the current produced…
A: Given : What happens to the current through the coil if a stronger magnet is bought near to it ?
Q: Q7) Derive an expression for the magnitude of the magnetic field at point P in the diagram below. Is…
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Q: a) Calculate the strength of B in between the wires at if the top current goes to the right and the…
A: Given,Current flow through 1st wire be I1Current flow through 2nd wire be I2Distance between two…
Q: 7. In the diagram shown below, a 0.45 T uniform magnetic field is directed into the plane of the…
A: Given: The strength of the magnetic field is 0.45 T into the plane. The resistance of the circuit is…
Q: 1. In the image below, four circular wire loops are shown of different sizes and orientations with…
A: Here, we have to find the magnetic flux which is ϕ= BAcosθ A→ area vector θ→ angle…
Q: Which of the following best describes how electrically charged particles and a magnetic field can…
A: Recall Biot-savart law. When electric current flows through a wire a magnetic field is setup around…
Q: . Argue, conceptually, that the magnetic field does not change the speed of a particle. 2. An…
A: Magnetic field does not change the speed of the particle because Force given due to magnetic field…
Q: me speed as th
A: Magnetic field is produced when only the charge is moving. However the electric field is produced…
Q: an electron follows a helical path in uniform magnetic field given by -50 jmTelectron velocity is…
A: The uniform magnetic field, The velocity of the electron,
Q: Describe calculation of the force of attraction between two unlike magnetic poles? What is the…
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Q: a) magnetic poles on the solenoid b) direction of current, assume electron flow
A: Emf induced i the coil is such that it oppose its cause of origin.
Q: A positive charge moves near a very long wire carrying a current as shown. What is the direction of…
A: Here given a charge is moving along a current carrying wire. We have to define the direction of the…
Q: Question 21 An electron moving in the direction of the +x-axis enters a magnetic field. If the…
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Q: Q) If you wanted to shield your electronics from stray magnetic fields, what would you use for the…
A: Introduction: The magnetic field is defined as the region around a magnetic source in which the…
Q: 1) Consider a wire with a some current I going to the right. Using the and the symbols, label the…
A: The direction of the field can be found using the right-hand curled finger rule.A thumb shows the…
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- Electron An electron is travelling to the left and enters a uniform magnetic field that is pointing out of the page. In which direction will the electron turn? O UP O into the page O Out of the page O It will continue in a straight line. O Down#8Two long wires lie in the plane of the screen and carry equal currents in opposite directions, as shown in the figure. At a point Pat the left of the two wires, the magnetic field 41 A) points into the screen. B) is zero points toward the bottom of the screen points out of the screen points toward the top of the screen
- 2) A cross-sectional view of four long parallel conducting wires of length / and the directions of the currents are shown in the figure. Determine the magnitude and direction of the force exerted on the wire carrying current of It. 3a 312 3a 12An electron is traveling in a circular path that is exactly perpendicular to a uniform magnetic field. Which of the following would reduce the radius of the circular path of the electron? a) increasing the size of the magnetic field b) decreasing the speed of the electron c) both of the above d) none of the above2. The figure below shows a metal plate with a width of w = 2 cm and a thickness of t = 0.1 cm. An electric current I = 20A is applied to it and placed in a magnetic field B in the direction shown in the figure. When the applied magnetic field is 2 tesla, the resulting Hall voltage of 4.28 V. Based on the above, determine the electron drift velocity (Vd)!
- Two parallel current-carrying wires lie in the x-z plane. The wires are pushed apartWhen the directions the electric current are: a)when one wire is moved so that it runs perpendicular to the first,b.) when the current in the upper wire is turned off,c.) when the current in the upper wire doubles,d.) when the current directions are parallel,e.) when the current directions are anti-parallel.A wire is connected to a battery. M 16. In region, M, directly above the large upper wire the magnetic field would point towards the left O into the page O towards the right O out of the pageElectron gaing downwards Magnetic Field is positive Direction of Field? Out or Into Eleetron going upwards ->x Nagoeto field is negative Direction of Field! Out or Into