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(a) For the Zener diode series voltage regulator shown in the Figure. calculate VL, IZ, VR and PZ for RL= 1.2 KΩ and repeat it for RL= 3 KΩ ?
Consider Zener breakdown voltage = 10 V and PZM = 30 mW
(b) Calculate Q point ( IC, VCE) for the network shown? Assume β = 75
Q. A transistor has a base current i B = 25 µA, α = 0.985, and negligible ICBO. Find β, iE, and i .
Magnetic permeability and the B/H curve To measure the relationship between field strength H and flux density B for a material, a sample is made into a closed ring and a magne
A heater element is made of nichrome wire having resistivity equal to 100 × 10 -8 ohm-m. The diameter of the wire is 0.4mm. Calculate the length of the wire required to get a resi
A 500-hp, wye-connected, wound-rotor induction motor, when operated at rated voltage and frequency, develops its rated full-load output at a slip of 0.02; maximum torque of 2 times
Q. Determine briefly subscriber loop system. Give some technical specification for subscriber lines. Ans: Subscriber Loop System: Each subscriber in a telephone network is
applications of electronics device (bjt,mosfets) in civil engineering
what is the conductive material property''s?
Question: (a) The conversion of a time varying analog audio signal into digital form is carried out using an electronic circuit known as a (signal) encoder. Draw a labeled bl
Q. Two charges of equal magnitude 5µC but opposite sign are separated by a distance of 10 m. Find the net force experienced by a positive charge q = 2 µC that is placed midway betw
Q. Explain with the help of a block diagram the working of harmonic distortion analyzer. OR Write short note on Harmonic distortion analyzer. Sol. Several methods h
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