Q: Q13: Which is of the following units equivalent to T (Tesla)? (C) C.m/N.s² (A) N.S/C.m² (B) A.m/N…
A: SOlution:
Q: Magnetic fields apply a force on: Magnetic fields only apply a force on magnets, not on charged…
A: Magnetic field is generated by magnets, and it applies force on charged particles, which is given…
Q: TRUE OR FALSE 18.The unit of magnetic flux is tesla 19.If velocity increases, magnetic field…
A:
Q: 7. Describe the deflection on the galvanometer given the position of the magnet. Position of Magnet…
A: According to Faraday's law:- Rate of change of magnetic flux produces emf in the coil.. So,…
Q: The magnetic field 2 cm from a long straight wire is 10-6T. The current in the wire is
A:
Q: The force on a wire placed in uniform magnetic field increases when all are correct strength of…
A: Force on a wire placed in uniform magnetic field is given by F⇀=IL⇀×B⇀I-currentL-length of…
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: A magnetic material is easy to magnetize but loses its magnetism easily. hard O magnetically…
A: A Soft magnetic material is easy to magnetize but loses its magnetism easily.
Q: A chunk of iron is not usually magnetic, because A. the B fields of the atoms all line up B. the B…
A: Option B is correct as explained in the image attatched.
Q: what happens to the magnetic filed around a wire when current changes direction? magnitude of the…
A: The magnitude of the magnetic field due to a wire at a distance of 'd' from the wire is given by the…
Q: A metal wire is resting on a fixed rail. The wire is free to slide along the rail. Both are in a…
A: The direction of induced current in a loop due to changing magnetic flux associated with the loop…
Q: The magnetic field of 8.9 T is O a. 0.00089 O b. 8900.00 C. 89000.00 O d. 0.00890
A: The relation between Tesla and Gauss is 1 T = 10000 G
Q: A charged particle is moving downward. It creates a. a magnetic field but not electric. b.…
A: Given that charge particle is moving downward. If it moves in a electric or magnetic field there…
Q: A strong magnetic field is applied on a stationary electron. Then the electron a. moves in the…
A: To explain the behavior of an electron when a strong magnetic field is applied on it.
Q: 1.875 x 1019 electrons pass through a hole in a wall per second. The beam is perpendicular to the…
A: Charge on electron e = - 1.6 × 10-19 C Number of electron per second = 1.875 × 1019 radius r = 0.8…
Q: Which of the following statements are true? Magnetic charges within a magnet are constantly…
A: Magnetic charges within a magnet are constantly moving. False There is no term like magnetic…
Q: The strength of a magnetic field created by the current in a wire can be increased by a. increasing…
A: Option (a) is correct .
Q: In order for a magnetic field to apply a force on a charged particle (select two answers): The…
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Q: The direction of the force on a current-carrying wire in a magnetic field is in the direction…
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Q: Determine which of the following statements is true: a. Magnetic field exerts force on a charge at…
A: A magnetic field exerts force on a moving charge
Q: A magnetic field can deflect a beam of electrons, but it cannot do work on the electrons to change…
A: From the equation (I), it can be seen that the magnitude of the force depends on the angle between…
Q: Fill in the blank with either the north or south pole. pole of another magnet 8 The south pole of a…
A: In the magnetic field, the same pole of the magnet always repel each other, and the different poles…
Q: The unit of magnetic field, the Tesla, is equivalent to which of the following
A:
Q: An electron with a speed of 5.0 x 10° m's enters a 3.5 T magnetic field at an angle of 45° to each…
A: speed = v = 5 x 106m/s magnetic field = B = 3.5 T angle = 45
Q: The magnetic field of 2 cm from a long, straight wire is 10-6 T. The current in the wire is
A: Given, The magnetic field of 2 cm from a long, straight wire is 10-6 T.
Q: 12. The strength of a magnet is A) greatest in the middle C) greatest at the poles B) the same all…
A: (12) The strength of a magnet is weakest at the center. Thus, option (A) is incorrect. The strength…
Q: Magnetic fields differ from electric fields in which of the following manners listed below?
A: The divergence of an electric field is non zero in location of the source and is zero everywhere…
Q: Two long parallel wires are placed side-by-side on a horizontal table. If the wires carry current in…
A: Your answer is option (b). The wires repel each other.
Q: Direction of length L in a current carrying wire in a magnetic field, has direction of O Current O…
A: We need to tell what does direction of L denote.
Q: The strength of a magnetic field is measured in teslas. O True O False
A: Magnetic field is the region around a magnetic substance or a moving charged particle which exerts…
Q: How much charge will flow through a 200-ohm galvanometer connected to a 400-ohm circular coil of…
A: Induced emf is given as e =dϕRdt=R = resistance
Q: An electron that is moving to the right experiences a magnetic field of 6.5 T directed upward. If…
A:
Q: How many volts are generated in each turn of a coil of wire that is moved into linkage with a…
A: Given: The change in magnetic flux is 0.0535 Wb. The time interval is 0.203 s.
Q: Force on a moving charge in a uniform magnetic field depends upon Othe charge on the particle O…
A: The mathematical formula to calculate the magnetic force applied on the moving charge in the…
Q: A current-carrying wire placed in a magnetic field will be deflected by a force that is proportional…
A:
Q: If you hold a sheet of copper in a strong permanent magnet, with the plane of the sheet…
A: Given : If you hold a sheet of copper in a strong permanent magnet, with the plane of the sheet…
Q: When you are in the southern hemisphere, does a compass point north or south?
A: The compass needle points magnetic south pole of earth always.The magnetic south pole of earth is…
Q: A proton describes a circular orbit of radius 27 cm perpendicular to a magnetic field of modulus 1.0…
A:
Q: The force between a magnet and a magnetic material is always what?
A: Force between magnet and magnetic substance
Q: In order to produce a magnetic field, an electric charge must be (1) stationary (2) moving (3)…
A: here an electric charge it may be positive or negative
Q: Match each term to the units used to measure it. magnetic force a. Newtons current b. Teslas length…
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Q: What is the physical meaning of the quantity O a. The unit of magnetic charge O b. The potential…
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Q: Which one of the following statements is true regarding the magnetic force on a current carrying…
A: Let Magnetic field vector = B Length of the wire = L Current through the wire = i Magnetic force…
Q: In a TV set, electrons are accelerated from rest through a PD of 15 kV. The electrons then pass…
A: Given data: Accelerating potential is, V'=15 kV=15×103 V. Strength of magnetic field is, B=0.35 T.
Q: If 24.9 volt power supply is connected to a lamp with resistance 3.6 ohm. What would be the magnetic…
A: Given data The voltage is given as V = 24.9 volt. The resistance is given as R=3.6 Ω. The distance…
Q36
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- List all the possible values of s and msfor an electron. Are there particles for which these values are different? The same?Calculate the speed of (a) an electron and (b) a proton with a kinetic energy of 1.00 electron volt (eV). (c) Calculate the average translational kinetic energy in cV of a 3.00 102 K ideal gas particle. (Recall from Topic 10 that 12mv2 = 32kBT.)What is the Hall effect and what is it used for?
- 17) How many eV's are created when a frequency of 8.77 e 15 is made from a collapsed electron_ f I be-19If neededBoltzmann Constant=1.38×10-23 J/K = 8.62×10-5eV/KUnit charge= 1.602 ×10-5 CPlanck’s constant= 6.626×10−34 J.sec=4.136×10−15 eV.sec0. A charged oil drop in Milli Kaus apparatus falls 1 mm at constant speed in a time 32.3 s if Vab = 0 the same drop can be held at rest between 2 plates separated by 1 mm if Vab=9.16 V. The excess electrons the drop has acquired is a. 3e b. 21 e 4 e d. 12 e نه ن ن ف نه 39.3 C. e. Vab viscosity of air is 1.81 x 105 ns/m2 Post = 824 kg/m³ 105 N/m² 2 Pair = 0 fecпили 612 824 x0.00l none of the above
- 3) In Millikan’s oil drop experiment an oil drop with N additional electrons and mass m is subjected to an electric field E. It is observed that the oil drop is moving downward at constant velocity v. The friction force on the electron is kv. Gravity is negligible. a) Draw a figure and show the directions of the friction force Ff and the electric force Fe. b) Find the charge q of the oil drop in terms of k, v and E. c) Find the number of electrons N on the oil drop in terms of k,v, E and e.3. If a proton and an electron are released when they are 2.0 * 10^10 m apart (a typical atomicdistance), find the initial acceleration of each particle. please explain me asap pleasei) Explain the meaning of the statement ‘electric charge of a body is quantised’.(ii) Why can one ignore quantisation of electric charge when dealing with macroscopic i.e., large scale charges?
- Coulomb constant, k = 8.987 x 10° N. m? /C. Vacuum permitivity, éo = 8.854 x 10 12 F/m. Magnetic Permeability of vacuum, Ho = 12.5663706144 x 10 H/m. Magnitude of the Charge of one electron, e = -1.60217662 x 10 "C. Mass of one electron, Mhy = 9.10938356 x 10 31 kg. Unless specified otherwise, each symbol carries their usual meaning. For example, pµC means micro coulomb. X X YO X X X X X +++++++++++++++ X| X | X E 9 (+) A proton is moving in the a direction in a region of crossed fields as shown in Figure, where the electric field is É = 43 x 10* & N/C and magnetic field B = ( 4900.0) 3T. (Hint: Electric and magnetic force both can apply force on the moving charged particle) a) What is the speed of the proton if it is not deflected? (that is, it moves in a straight line though the fields) b) If the length of the plate is 3.1 m then how much time the proton will take to travels that length? If the proton moves with twice this speed, what is the net force in unit vector notation? (x, y.z…0. A charged oil drop in Milli Kaus apparatus falls 1 mm at constant speed in a time 323 s if Vab = 0 3年3 39.3 Vab the same drop can be held at rest between 2 plates separated by 1 mm if Vab = 9.16 V. The excess electrons the drop has acquired is viscosity of air is 1.81 x 105-ns/m2 Pon = 824 kg / m 1 05NS lil Pat = 0 %3D а. 3e b. 21 e CR 224 Xo \メo 4 e C. d. 12 e е. none of the above3. What is the force between two 4 gm pennies 2 m apart if we remove all the electrons from the Na atoms? (ii) What is their acceleration as they separate? 2.5
