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What is faithful amplification. What are basic condition for faithful amplification.
Describe :
(a) Peak Inverse voltage.
(b) Maximum forward current.
(c) Knee voltage
(d) Maximum power rating.
(e) Operating point of transistor.
Speed control of DC Motor The DC motor are versatile motors among the available electrical motors due to their superior characteristics. These motors give a smooth sp
Q. A semiconductor diode with IS = 10µA and a 1-k resistor in series is forward-biased with a voltage source to yield a current of 30mA. Find the source voltage if the diode I-V e
HOW DOES SINGLE PHASE INDUCTION MOTORS DEVELOP A STARTING TORQUE ?
Q. Explain the operation of oscillators. Oscillator is a circuit that changes dc energy from the power supply into ac energy. An amplifier provided with a positive feedback bec
In this case, the armature is connected in series with the field coils. Thus I a = I f = I NB. At starting, the back emf is zero (because the m
Charge Carriers in Semiconductors In a metal, the atoms are imbedded in a "sea" of free electrons, and these electrons can move as a group under the influence of an
How many machine cycles does 8085 have, mention them The 8085 have seven machine cycles. They are Opcode fetch Memory read Memory write I/O read I/O
Explain a couple
A large induction motor is usually started by applying a reduced voltage across themotor; such a voltage may be obtained from an autotrans- former. A motor is to be started on 50%
An oil-filled transformer has a c.m.r. of 500 kVA which allows it to run continuously in an ambient of 35°C with an oil temperature rise of 50°C. The transformer has a time constan
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