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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.
2-Point Source Interference Changing Wavelength The intrusion of two sets of circular waves along with the similar frequency and the similar amplitude results within a standing
Uses of Ultrasonics: 1. Ultrasonic are used in diagnosis of disease, physical therapy as surgical tool & industry. 2. They are used in sounding devices to calculate the dept
Iron pan This is useful for many experiments in chemistry. The lid of a preserving jar is looped with galvanized wire. The free end of the wire is embedded in a piece of wooden
Image Formation for Plane Mirrors Not all people who are performance the object within the mirror will sight along the similar geometrical line of sight. The precise direction
state Biot sevart law.
Used normally, a 150-watt, 120 volt light bulb requires how many amps of current? Ans: Used generally, a 150-watt, 120 volt light bulb needs 1.25 amps.
Word Problems
Calorimetry is the act of calculating the heat of chemical reactions or physical changes, or the science of making such measurements. Calorimetry is performed with a calorimeter. T
Q. Does sunlight reflected off a mirror raise the temperature of the sun-rays? Answer:- A standard planar mirror will not raise the energy contained in the rays that refle
A rod follower AB is subjected to a vertical up and down movement while resting on a circular contour of radius 30cm of a cam.the cam moves to the right with a velocity of 5 cm/s a
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