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Mode 2
In this mode transistor gets turned off by the negative output of PWM current flows through inductance L diode D then divide into two parts one flows through capacitor C and other load. In this condition the magnetic field in the inductor collapses and induces a large voltage across the coil of opposable polarity.
That adds to the input voltage capacitor C will charge through this current and maintain the o/ p voltage when transistor gets turned on for next cycle.
Describe the construction and working of atleast two types of storage CRO
Q. Show NPN Common Emitter Amplifier? The common emitter configuration lends itself to voltage amplification and is the most common configuration for transistor amplifiers.
OBJECTIVES Use an NXT to control the speed of a DC fan motor. You will us a potentiometer to set the speed and the second fan motor as feedback. Use the circuit from Lab 1 to
Logically AND the contents of Register Contents of register are logically AND with the accumulator bit wise. The result of the AND operation is stored in the accumulat
transient analysis of clampers
A relay is essentially an electromechanical switch that opens and closes electrical contacts. A simplified relay is represented in Figure. It is required to keep the fenomagnetic p
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The Ward-Leonard system, which is used in the control of large dc motors employed in rolling mills, is a highly flexible arrangement for effecting position and speed control of a s
A 13.8 kV feed er circui t breaker has a 600:5 multira tio curr ent transform er with charact eristics as show n in Figure 5.11. Th e max - imum load on the feed er is 80 A pri mar
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