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Q. Working of Field-effect transistors?
Field-effect transistors (FETs) may be classified as JFETs (junction field-effect transistors), depletion MOSFETs (metal-oxide-semiconductor field-effect transistors), and enhancement MOSFETs. Each of these classifications features a semiconductor channel of either n-type or p-type, whose conduction is controlled by a field effect. Consequently, all FETs behave in a similar fashion. The FET classification is illustrated in Figure along with the corresponding circuit symbols. FETs have the useful property that very little current flows through their input (gate) terminals.
Effect of Frequency a.From equation for given H p and μ P v α √f b.From equation the depth of penetration for a given material δ α 1/ √f c.From equation hyst
Q. Explain Current and Magnetic Force? The rate ofmovement of net positive charge per unit of time through a cross section of a conductor is known as current, i(t) = dq / dt
what is ohm?
Q. Describe the time division switching? Ans: Space and Time Switching: Space Switches: Connections can be made between outgoing and incoming PCM highways by means of
Design a combinational logic circuit to convert XS3BCD code in to the standard 8421 BCD code.
Given S(F) = A'B +'C'D + C'D +'A'B + 'A B + 'A 'C + 'A D + 'A C A. DRAW A MINIMIZED CIRCUIT USING ONLY OR AND NOT GATES (2 input gates) B. WRITE THE WIRE LIST Example of a
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When three resistors R1, R2 and R3 are connected in parallel as shown in the diagram. For these resistors the equivalent resistance is given by: a. Derive a rule to
Q. What are the Constructional Features of DC Machines? Adc generator ormotormay have asmany as four fieldwindings, depending on the type and size of the machine and the kind o
Introduction The purpose of this experiment is to examine the operation of the floating-point unit. Procedure 1. Show how the number 355.6 is converted into a normalize
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