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What angle we take between magnetic field and plane of loop....discuss the cases when induced emf is zero in a rotating frame.Ans) We know that Magnetic Flux through a given area is given as ?=B.A= BAcosθLet θ=wt, where w is frequency of sourceNow, the Induced emf will be zero if:1. Magnetic field B is zero,2. Area of the conductor is zero.3. Angle between Magnetic field and Area Vector is 90oAlso the angle between the Magnetic field and plane of loop is taken as anticlockwise angle or positive angle
The weightless truss shown below supports loads at point A & B and is fastened to the supports at C & E. The value of F1 in kN is given in P13 and the value of F2 in kN is given i
A pendulum bob with a mass of 0.50 kg swings to a maximum height of 1.0 m. Determine the kinetic energy when the pendulum bob is at a height of 0.40 m?
Thermistors Insulators and semi-conductors behave in a different way when the temperature increases, because their resistivity decreases. That is: the resistance of an insulato
Give any two methods of electric lines of force. Sketch them for an isolated positive point charge.
about beam intersection in gama and alpha beam?
Illustrates term refractive index in optical fibres? Refractive Index: Optical fibres consist of two layers which are core and cladding with various refractive indices. T
Researchers found that a ________ is more important and is the key to losing weight rather than a popular one. A. Fad diet B. Counting calories diet C. Low-carb diet D. Stic
Do objects of different weights fall with same acceleration on the earth? Yes , objects fall with the similar acceleration regardless of their weights at the surface of earth,
An alpa particle is directed vertically upward with a speed of 3 X 104 Km/Sec in a region where a magnetic field of magnitude 1 Tesla exists in the direction south to north. Determ
A current transformer has two turns on the primary winding and a secondary winding of 260 turns. The secondary winding is connected to an ammeter with a resistance of 0.2.The
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