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(a) Show Diode as a half wave rectifier. Determine efficiency and Ripple factor of the half wave rectifier.
(b) Write short note on LED.
Briefly explain :
(i) Positive clipper
(ii) Negative clipper
(iii) Biased clipper
(iv) Combinational clipper
(v) Positive Clamper
(vi) Negative Clamper
brifly explain capacitance switching
Explain the 8259 microprocessor. 8259: The 8259A adds 8 vectored priority encoded interrupts to the microprocessor. This can be expanded to 64 interrupt requests with us
Hysteresis loss least depends on (A) Frequency. (B) Magnetic field intensity. (C) Volume of the material. (D)Grain orientation of material.
The vectors we will use we be refered to right-handed Cartesian axes. Right handed means that the x,y,z axes are oriented in a particular way (which you must know). See diagrams
Q. The dual situations is shown in Figure , in which a high-pass and a low-pass filter are connected in parallel to produce a bandstop filter. With ω CLP = 10 CHP = 50, ω 0
Q. What is Barkhausen criterion? Why is the value of Ab kept slightly greater than 1? The condition |Ab| = 1 is called the Barkhausen criterion. It implies that when |Ab| = 1,
HT Metering The following type of meters is generally used for HT consumers: Trivector Meter, Bivector Meter, and Summation Meters. Trivector Meter
Define and explain Numerical aperture? Figure shown below shows an incident ray to the fibre, The light bends at two interfaces, one at the air- core interface and the
.
Electric current Electric current is a flow of electrons. Each electron carries a very small amount of negative charge (1.6 x 10 -19 coulombs) A current
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