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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
a car of mass 800kg is pulling a trailer 300kg where sin a=1|200.Resistance to motion(apart from gravity) is 1.5N per kg of mad for each vehicle.calculate the pulls of the engine a
Questions: Regard as two charged particles at a separation of 4 cm. Particle #1 has a charge of +2 micro-coulombs. Particle #2 has a charge of +16 micro-coulombs. How does the
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Discuss the Carnot cycle of operation and reduce the expression for efficiency. Carnot engine is works on the principle of Carnot cycle made up of four stages are represented as sh
It is an instrument used to view pure spectrum. It makes dispersion without deviation with the help of n crown prisms and (n - 1½ flint prisms alternately arranged in a tabular str
Q. Why can a DC ammeter not read AC? a) Dc ammeter can't measure ac because ac is changing continuously and periodically as well as a dc ammeter can just measure a constant cur
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Can you give the condition for dispersion without deviation and illustrate colour has got the maximum angle of deviation?
Car Rear Ends Truck Collisions among objects are governed through laws of momentum and energy. While a collision occurs within an isolated system, the total momentum of the sys
Ball A, with a mass of 0.20 kg, strikes ball B, with a mass of 0.30 kg. The initial velocity of ball A is 0.95 m/s. Ball B is initially at rest. What are the final speed an
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