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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
Show the conditions for total internal reflection to happen. Arrive at the relation between refractive index and critical angle. What do you mean by optical fibre? on what rules do
An air dielectric is changed with a glass dielectric inside a capacitor of fixed dimensions. Relatively speaking, what will occur to the quantity of charge the capacitor can
i need to think of a project to assemble as soon as possible but i need some ideas.. what projects can i present??
Copper losses: These losses occur because of ohmic resistance of the transformer windings. If I1 and I2 are primary and secondary currents correspondingly and R1and R2 are the res
Question 1. How X-rays are produced? Describe the properties of X-Rays? 2. Describe the half wave & full wave Rectifications employed in an X-ray tube? 3. Discuss the med
What is the wavelength of electromagnetic waves of frequency 5 x 1019Hz in free space? Give its two applications.
how much time is required to raise the temperature of the water from A family comes home from a long vacation with laundry to-do and showers to take. The water heater has been t
working and construction of fabry perot interferometer
Ask An elevator cable can withstand a maximum tension of 19,500N before breaking. The elevator has a mass of 490 kg and a maximum acceleration of 2.24 m/s2 . Engineering safety sta
Q. What is superconductivity? The capability of certain metals their compounds and alloys to conduct electricity with zero resistance at very low temperatures are called superc
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