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Amplifier is a functioning by which the amplitude of variation of ac signal voltage / current/ power can be enhanced
(i) Principle and circuit diagram: The amplifying action of the triode is based on the fact that small change in grid voltage produces the similar change in the grid voltage as because of a large change in the plate voltage. A circuit for triode as an amplifier
(ii) Working: First of all the mutual characteristic curves of a triode to be used as an amplifier is plotted and the grid potential - Corresponding to the mid-point of straight portion of characteristic curve is noted.
Explain moment of inertia Moment of inertia is the term used to calculate or quantify the amount of mass located at an object's extremities. For instance if all the mass of an
mechanical wave
A block of wood initially at rest slides down an inclined plane. Neglecting friction, the kinetic energy of the block at the bottom of the plane is: a) All converted into h
* Question 1 : Sound A has intensity 10 times the threshold if hearing : sound B has intensity 100 times the threshold of haring . How much louder do we perceive sound B ? * Ques
A holiday light string of ten bulbs is equipped with shunts that short out the bulbs when the voltage drop increases to line voltage, which happens when a bulb burns out. Every bul
As electron hole pair (because of thermal collisions) is continuously formed in the depletion region. These are a regular flow of electrons in the direction of the N-side and of ho
When two dissimilar sound rays of slightly different frequencies, traveling in a phase along the same direction, superimpose on one other, the intensity of the resultant sound at a
a closed organ pipe resonates with frequency 6hz and an open organ pipe resonates with frequency 12Hz. if the two organ pipes are joined to form a single organ pipe then it will re
What are the types of compound pendulum? ?
Explain the terms 'Magnetic Dip' and 'Magnetic Declination' with the help of relevant diagrams.
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