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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.
Hard magnetic materials are used for making (A) Permanent magnets. (C) Conductors. (B) Insulator. (D)Temporary magnets. Ans: Hard magnetic materials are
List the different types of flags affected by the arithmetic and logic operations. Carry flag, Auxiliary carry flag , Parity flag, Sign flag, Zero flag
Hi, i''ve been given this task: You are required to design a multi-stage audio amplifier with the following specification: Voltage gain 250 Input resistance 200 kOhm Output resi
Future scope on MATLAB in India
You are to choose a particular application, model and simulate it using MATLAB and or SIMULINK. 1. Modelling 2. Testing and verification of the model 3. Demonstration o
Discuss mode -2 (bi-directional mode) of 8255 (Programmable Peripheral Interface). Only permitted with port A. Bi-directional bus data used for interfacing two computers and GP
1. In the circuit shown below, the capacitor initially has a voltage across it 4 Volts (at t = 0). a. Write down the expression for V C (t) when the switch is closed. b. Wr
Saturation or active mode While V GS > V th and V DS > (V GS - V th ) The switch is turned on, and a channel has been made that allows current to flow
Explain Acceptance cone? The fibre air - core interface is display below: In this figure Omax is the maximum angle, inside that the rays undergo total internal reflecti
Q. With suitable diagram explains the working of a sweep frequency generator. Sol. A sweep frequency generator or sweeper is a special type of signal generator in which the o
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