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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.
Q. Draw and explain the circuit of Wein bridge oscillator. Obtain the expressions for the (i) frequency of oscillation and (ii) condition for oscillation. Will oscillat
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Q. What is meant by thermal runaway in a transistor ? When current flows through the collector circuit, it produces heat at the collector junction. This increases the temperatu
Q. Consider the magnetic circuit shown in Figure. Assume the relative permeability of the magnetic material to be 1000 and the cross-sectional area to be the same throughout. Deter
8085 is a one address microprocessor. In 8085 interrupts are classified by hardware and software interupts.
Q. In a depletion MOSFET for which V P = 3 V and I DSS = 11mA, the drain current is 3mA when v DS is set at the largest value that will maintain ohmic region operation. Find v G
time period measurement
HT Metering The following type of meters is generally used for HT consumers: Trivector Meter, Bivector Meter, and Summation Meters. Trivector Meter
Boost Converter The boost converter has its output voltage always greater than input voltage like a buck converter boost converter has two modes.
XOR gate BY using NAND gate Only
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