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Reflection of a Pulse at a Fixed End
Let's assume a pulse moving by a medium - perhaps by a rope or a slinky. What happens to the pulse while it reaches the end of that medium? The answer depends on while the medium is fixed within space or free to move at its end. For instance, if the pulse is moving by a rope and the end of the rope is held firmly through a person, after that it could be said in which the pulse is approaching a fixed end. Instead, if the end of the rope is lying on the floor such in which it is free to move up or down while the pulse reaches its end, after that it could be said in which the pulse is approaching a free end.
Write the symbol sad truth table of an AND gate define how this gate is realised in practice by using two diodes.
two insulated charged copper spheres A and B of identical size have charge q and -3q respectably .when they are brought in contact with each other and then separated,what are the n
Q. When the negative feedback is practical to an amplifier of gain 50 the gain falls to 25. Compute the feedback ratio? Af = A / 1 + Aβ 25 = 50 / 1 + 50 β 1 = 2 / 1 + 50
2. The dipole in problem is removed and the space between plates is filled with Cu of conductivity σ (look up the value). (a) Derive an expression for the current density betwee
a magnatic train
The dielectric strength of transformer oil should be (A) 100 V. (B) 5 KV. (C) 30 KV. (D) 132 KV. Ans: The dielectric strength of transformer oil mu
Figure shows the magnetic circuit of a relay. When each of the air gaps are 1.5mm wide find the mmf required to produce a flux density of 0.75 T in the air gaps. Use the B-H cu
in which case there is change in acceleration in case of pulley?
Relative velocity of a boat in a river flowing at a given velocity horizontally Ans) assume the river to be stopped and measure relative velocity of boat and find angle.
What is the Directionality of LASER? Directionality: Laser emits light which is highly directional. Laser light is emitted like a relatively narrow beam in an exact direction.
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