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State the Working of UJT
Make circuit arrangement as demonstrated in fig.(c), where UJT is represented by its equivalent circuit comprising resistances RB1, RB2 and a diode D. Generally B2 is kept positive with respect to B1. A variable positive voltage is supplied to emitter through a switch S.
Q. Tritium has a half life period of 12.5 years. What fraction of the sample will be left over after 25 years? HLP = 12.5 years Number of HLPs in 25 years = 25 / 12.5 =2
A small bucket of mass M kg is attached to a long inextensible cord of length L m. The bucket is released when the cord is in horizontal position. At its lowest point the bucket sc
1 Coulumb Charges: 1 coulumb charge is that amount of charge which when placed 1 m from an identical charge in vacuum which repels it with a force of 8.99 × 109 N.
why the blood come out of nose in the top of the mountain region?
what is
Q. A beam of electrons travelling with a speed of 4 X 10 7 ms -1 is projected normal to a magnetic field of B = 10 -3 Wb m -2 . What is the path of the beam in the magnetic fiel
A standing wave is formed on a tightly stretched string. The distance between a node and an antinode is: w) 1/8 wavelength x) 1/4 wavelength y) 1/2 wavelength
Charge is the characteristic associated with matter due to which it produces and experiences electrical and magnetic effects.
Internal Resistance of Circuit: As mentioned earlier in the section on batteries, every source of electricity, such as a cell or generator has resistance to current flow called
How to solve problems based on movable pulleys in an atwood machine? Ans) 1.Draw the FBD. 2.Make the force equations for the two or more masses. 3.There will be a variable simi
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