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An infinitely long hollow conducting cylinder with inner radius R/2 and outer radius R carries a uniform current density along its length. The magnitude of the magnetic field, | B | as a function of the radial distance r from the axis is best represented by - jee main 2012 physics 1 AnswerConsider a straight, infinitely long, current carrying conductor lying on the z-axis. -GATE EC 20151 AnswerA long straight wire, having radius π and resistance per unit length π, carries a current πΌ. The magnitude and direction of the Poynting vector on the surface of the wire is2 AnswerAn infinitely long straight wire is carrying a steady current I. The ratio of magnetic energy density at distance π1 to that at π2(=2 π1) from the wire is ________.1 AnswerA pipe of 25mm outer diameter carries steam. -gate-mechanical-20111 AnswerThe difference be tween the outer and inner curved surface areas of a hollow right circular cylinder, 14 cm long, is 88 cm^2 . If the volume of metal used in making the cylinder is 176 cm^3 , find the outer and inner diameters of the cyli1 AnswerA hollow circular shaft of inner radius 10 mm, outer radius 20 mm and length 1 m is to be used as a torsional spring. If the shear modulus of the material of the shaft is 150 GPa, the torsional stiffness of the shaft (in kN-m/rad) is ________ (correct to two decimal places).1 AnswerTwo identical circular coils, P and Q each of radius R, carrying currents 1 A and root 3 A respectively are placed concentrically and perpendicular to each other lying in the XY and YZ planes. Find the magnitude and direction of the net magnetic field at the centre of the coils. (Physics CBSE 2018)1 AnswerA bar magnet of magnetic moment 6 J/T is aligned at 60 degrees with a uniform external magnetic field of 0Β·44 T. (Physics CBSE 2018)1 AnswerAn electron and a proton are moving on straight parallel paths with same velocity. They enter a semi-infinite region of uniform magnetic field perpendicular to be velocity. Which of the following statement(s) is/are true? - jee main 2012 physics 1 AnswerView factor of a large cylinder of 10 cm in radius and 60 cm in length from a coaxial smaller cylinder of 5 cm radius and the same length is 0.34. View factor of the larger cylinder of itself (concave inner surface) is 0.25. The view factor of the la1 AnswerA spherical metal A of radius RA and a solid metal sphere B of radius RB (< RA) are kept far apart and each is given charge β+Qβ. Now they are connected by a thin metal wire. Then -jee main 2012 physics 1 AnswerA circular loop of radius 0.3 cm lies parallel to a much bigger circular loop of radius 20 cm. The centre of the small loop is on the axis of the bigger loop. The distance between their centres is 15 cm. If a current of 2.0 A flows through the smaller loop, then the flux linked with bigger loop is: -physics 20131 AnswerA uniform circular disc of mass π and radius π is rotating with angular speed π about an axis passing through its center and making an angle π=30β with the axis of the disc. If the kinetic energy of the disc is πΌππ2π 2, the value of πΌ is ________ (up to 2 decimal places).0 AnswerA square coil of 10 cm side and with 100 turns is rotated at a uniform speed of 1000 rpm about an axis at right angles to a uniform field having a flux density of 0.5 T. Calculate the instantaneous value of induced emf when the plane of the coil is (a) at to the field, and (b) in the plane of the field. 1 AnswerThe dimensions of a solid iron cuboid are 4.4 m Γ 2.6 m Γ 1.0 m. It is melted and recast into a hollow cylindrical pipe of 30 cm inner radius and thickness 5 cm. Find the length of the pipe. Mathematics CBSE class 10 20171 AnswerTwo identical discs of same radius R are rotating about their axes in opposite directions with the same constant angular speed . The discs are in the same horizontal plane. At time t = 0, the points P and Q are facing each other as shown in the figure. The relative speed between the two points P and Q is vr . In one time period (T) of rotation of the discs, vr as a function of time is best represented by - jee main 20121 AnswerA uniform cylinder of length L and mass M having cross - sectional area A is suspended, with its length vertical, from a fixed point by a massless spring, such that it is half submerged in a liquid of density Ο at equilibrium position. The extension x0 of the spring when it is in equilibrium is : - physics 20131 AnswerFill in the blank: GATE-Biotechnology-20171 AnswerThe susceptibility of a magnetic material is 0Β·9853. Identify the type of magnetic material. Draw the modification of the field pattern on keeping a piece of this material in a uniform magnetic field. (Physics CBSE 2018) 1 Answer
PH2161 ENGINEERING PHYSICS II CG and Visualisation Lab(10CSL67) Vtu prg-6GS2165 PHYSICS LABORATORY II10me34 Mechanics of materialsjee main 2012 physics CG and Visualisation Lab(10CSL67) Vtu prg-8CG and Visualisation Lab(10CSL67) Vtu prg-3 Magneto-optical current transformer technologyBasic eletronicsABB PAPER - 02 MAY 2004 - VADODARA
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