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(a) Explain the terms: 'magnetic field strength', 'magnetic flux density' and 'permeability' of a magnetic material. Write their SI units.
A current carrying conductor is placed at an angle of 30° to a uniform Magnetic field of strength 2×10³ T. The length of the conductor inside the Magnetic field is 2 m and the current flowing through it is 1.6 A. Calculate the Magnitude of the force experienced by it.
(b) Distinguish among 'nuclear fission' and 'nuclear fusion'. Which one of them is used for release of energy in a nuclear reactor? Name one fuel used in a nuclearreactor.
(c) With the help of a circuit diagram, explain the working of a P-N-P transistor.
If conductors carries current in similar direction, then force among them will be attractive. If conductor carries current in reverse direction, then force among them will be repul
Plastics are polymers, meaning they are made up of molecules from many different elements. By utilizing different combinations, new polymers are made that can be manipulated from m
It is defined as an electric strain produced in an atom due to application of external electric field to the bulk material. It is the result of the displacement of the positively c
what are the characterstics of laser?
The focal length of a concave mirror is 2 meters. An object is positioned 8 meters in front of the mirror. Where is the image of this object formed? Ans: The image of given ob
Assumptions: Kinetic Energy=KE, Potential Energy=PE m=mass of the skateboarder=55 kg, Velocity v=1.80m/s So ,Initial Energy(KE) of the skateboarder=mv 2 /2 = 0.5* 55 * (1.8)^
A glass sphere of radius 15 cm has a small air bubble at a distance of 6 cm from its centre. When viewed normally along its diameter from the nearest side, the bubble seems to be 7
Que: Consider two identical tiny metal balls one having a charge of +1 micro-coulombs and the other having a charge of +3 micro-coulombs. The balls are separated from each one
Determine about the rod in magnetic coil the rod is placed in a magnetic coil deliver alternating current, the rod suffers a change within length for each half cycle of alterna
INTRODUCTION: A printed circuit board (PCB) IS a sheet of insulating material usually Bakelite with metallic circuitry photo chemically formed upon that material or substrate. O
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