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Charging an Electrophorus by Induction Using a Negatively Charged Object
A general physics demonstration includes the charging of an aluminum pie plate through the procedure of induction. The demonstration classically includes the subsequent steps.
• Acquire a charged object That is a balloon or Styrofoam plate made of a non-conducting material.• By Using an insulating handle on the aluminum plate, bring the aluminum plate near to but not touching the Styrofoam plate.• Touch the rim of the aluminum plate along with your finger.• Move the aluminum plate away from the charged object.
A weakly guiding fibre with a particular graded core index has cut-off V-values for its 2nd, 3rd and 4th modes of 2.5, 3.9 and 5.2, respectively. The core radius is 4 microns, the
Q What is Tyndal scattering? Tyndal scattering- When light passes throughout a colloidal solution its path is visible inside the solution. This is for the reason that the
A source producing sound at frequency 400 Hz is moving along the Y axis with a speed of 22 metre per second. A listener is situated at position (660m,0). Find the frequency of the
Q. The colour codes of a carbon resistor are yellow, yellow, orange. Tolerance is 5%. Find the resistance. The initial yellow ring corresponds to 4. The subsequent yellow ring
Write down the condition for dispersion without deviation. Describe power of a lens. What do you mean by magnification?
A 2.00 x 10 3 -g sample of water at 100.0°C is mixed with a 4.00 x 10 3 -g sample of water at 0.0°C in a calorimeter. What is the equilibrium temperature of the mixture?
Shell type transformers . In this type of transformer the iron core surrounds the copper windings. The core is in the shape of numeral 8. The entire flux passes by the central pa
Briefly explain with necessary theory how you will calculate refractive index of water/transparent liquid by using Newton's ring apparatus?
why the light vibrating in the plane ofincidence is not reflected at Brewster''s angle?
type of diodes
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