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Q. What is Open-loop voltage gain?
The op amp amplifies the difference vd between the voltage on the noninverting (+) terminal and the inverting (-) terminal; see Figure. The term "open loop" implies that there is no external feedback connection between the output and either of the inputs. A is defined as the ratio of the change in output voltage to the change in differential input voltage, usually for a load resistance of no less than 2k. A typical value for A is 2 × 105.
The ampere has been defined (by the International Committee of Weights and Measures in 1946) as the current flowing in two long parallel wires 1 metre apart that produces a force o
Q. A magnetic force exists between two adjacent, parallel current-carryingwires. Let I 1 and I 2 be the currents carried by the wires, and r the separation between them. Making u
How you write this number in letters. 20,000.000.000
Explain time multiplexed space switching? With a neat diagram illustrate its operation. Ans: Time division switches where an outlet or an inlet corresponded to a single s
Solenoids find application in a variety of electrically controlled valves. The magnetic structure shown in Figure is a simplified representation of a solenoid in which the flux in
explain recombination in semiconducters
20 cells with emf 1.45V and internal resistance 0.5Ω for each cells is linked 4 rows which every rows having of 5 cells in series. Load resistance 15Ω is connected to the battery.
R.h. corkscrew rule Note the direction of the flux is given by Maxwell's 'R.H. corkscrew rule' and that the flux lines are continuous Applying Ampere's Law to a concentri
merits amd demerits of series and shunt clipper
Transformer of distribution: Let be the transformer of distribution of the Face(Figure) 3 connected to the primary between phase a and c of a three-phase network of 23 kV. Bot
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