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Electrons travelling at right angles to a magnetic field experience a force of 8.3 x 10-13 N when they are in a magnetic field of 6.2 x 10-1 T.
How fast are the electrons moving?
An electric motor with a load delivers 5.2 hp to its shaft (1 hp = 746 W). Under these conditions, it operates at 82.8 percent efficiency. a. How much current does the motor d
This phylum includes
sodium metal with a body centred cubic structure has two atoms per unit cell. the radius of sodium atom is 1.85 å. calculate its electrical resistivity at 0 oc, if the classical va
An atom which has lost one electron would be: (1) Negatively charged () Positively charged (3) Electrically neutral (4) Carry double positive charge Ans: Elec
The mass of a mol of proton and electron is: (1) 6.023x 10 23 g (2) 1.008g and 0.55mg (3) 9.1x 10 -28 kg (4) 2gm Ans: (2) 1.008g and 0.55mg
Image Formation for Concave Mirrors - Case A To look an object within any type of mirror, a person must sight along a line at the image of the object. Whole persons capable of
A microphone is attached to a spring that is suspended from the ceiling. Directly below on the floor is a stationary 440 Hzsource of sound. The microphone vibrates up and down in s
Regard as a Cartesian coordinate system on which the electric potential due to an unspecified distribution of charge is a function of x only. A graph is made of V(x) vs x. The elec
investigatory poject class 12
Absorbance spectrophotometer: A schematic diagram of a simple instrument that is used to measure the absorption of visible light is shown in Figure below. When studyin
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