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A 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 electric field intensity of a plane wave traveling in free space is give by the following expression -GATE EC 20151 AnswerAn 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 uniform plane wave with amplitude E of 10V / m and 1.1GHz frequency travelling in air, and incident normally on a dielectric medium with complex relative permittivity and permeability as shown in the figure.GATE EC 20151 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 AnswerThe electric field of a uniform plane electromagnetic wave is -GATE EC 20151 AnswerConsider an electric field E = E0 * X, where E0 is a constant. The flux through the shaded area (as shown in the figure) due to this field is - jee main 2012 physics 1 AnswerThe electric field of a uniform plane wave travelling along the negative z direction is given by the following equation: πΈοΏ½β π€ π = οΏ½ποΏ½π₯ + πποΏ½π¦οΏ½πΈ0ππππ§ This wave is incident upon a receiving antenna pl1 AnswerA farmer moves along the boundary of a square field of side 10 m in 40 s. What will be the magnitude of displacement of the farmer at the end of 2 minutes 20 seconds from his initial position? -Physics Cbse class 11 1 AnswerThe drag force, FD, on a sphere kept in a uniform flow field depends on the diameter of the sphere, D; flow velocity, V; fluid density, Ο; and dynamic viscosity, Β΅. Which of the following options represents the non-dimensional parameters which could be used to analyze this problem? - gate civil 2017 1 AnswerWhat is meant by crystal field splitting energy ? On the basis of crystal field theory, write the electronic configuration of d4 in terms of t2g and eg in an octahedral field when, CBSE- Class12- Chemistry 20131 AnswerThe deviation in the geographical locations of the magnetic poles from the geomagnetic poles of the Earthβs magnetic field is due to the -gate Geology & Geophysics 2017 1 AnswerWhere will the hour hand of a clock stop if it starts (a) from 6 and turns through 1 right angle? (b) from 8 and turns through 2 right angles? (c) from 10 and turns through 3 right angles? (d) from 7 and turns through 2 straight angles?-Mathematics-cbse std 6th-Understanding elementary shapes.1 AnswerIn a cropped field, the following data are observed. Moisture content at field capacity (weight basis) = 36% Current moisture content (weight basis) = 24% Bulk density of soil = 1.5 Mg m-3 Effective root zone depth = 0.8 m Conveyance efficiency = 80%1 AnswerIf the circumference of the circular field is 121 cm .Tehn find the diameter of the field. CBSE class 9 Mathematics1 AnswerFact: If it rains, then the field is wet. Read the following statements: (i) It rains (ii) The field is not wet (iii) The field is wet (iv) It did not rain Which one of the options given below is NOT logically possible, based on the given fact?Gate-21 AnswerA metallic rod of length βAβ is tied to a string of length 2A and made to rotate with angular speed Ο on a horizontal table with one end of the string fixed. If there is a vertical magnetic field βBβ in the region, the e.m.f. induced across the ends of the rod is : - physics 20131 AnswerWhat are magnetic field lines ? How is the direction of a magnetic field at a point determiend ? -2005 CBSE Physic class 101 AnswerResolve 400 N force acting on a block as shown in fig 1.23 i) into horizontal and vertical components ii) Along the inclined plane and right angles to the plane. 1 AnswerLet the signal f t 0 outside the interval T ,T , where T and T 1 2 1 2 are finite. -GATE EC 20151 Answer