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Centrifugal force with a beaded chain
Secure a length of beaded chain like that frequently used for pull cord on electric light switches or for key chains. Fasten the ends together to make a ring. Join this to the string from the drill and view the effects of centrifugal force.
Can you explain Doppler effect? Find a mathematical expression for the apparent frequency heard when the source is in motion and the listener is at rest and also give limitation of
the force of a capillarity in plant is given by surface tension =density*r*g*h/2.is the equation correct or not
Q. How can we increase the current sensitivity of a galvanometer? The current sensitivity of a galvanometer is able to be increased by (i) Rising the number of turns (ii
A house is air conditioned using solar energy. Solar radiation heats a pressurized tank such that the temperature is maintained at 175 o C. 1500 kJ must be extracted from the hous
A simple pendulum of frequency f has a metal bob.If the bob us negatively charged and is allowed to oscillate with a posively charged plate under it , the frequency will.? Ans) DUE
A 25cm long conductor moves at a uniform speed of 8m/s by a uniform magnetic field of flux density 1.2T. Verify the current flowing in the conductor when (a) Its ends are o
A diode in a circuit similar to the one in Figure 29-26 has a voltage drop, V d , of 0.95 V when I = 18 mA. If a 390 Ω resistor, R, is connected in series, what power supply volta
Q. Define Tangent law? A magnetic needle suspended at a point wherever there are two crossed fields at right angles to each other will come to rest in the direction of the res
explaion of perpendicular axis theorem
IMPULSE: When a force acts on a body for a very short time, the product of the force and the time for which the force acts, is called the impulse or impulse of force".
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