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Q. Why do we cascade amplifiers? Why is RC coupling the most widely used coupling between 2 stages of a cascading amplifier?
The voltage or power gain or frequency response obtainable from a single stage amplifier is usually not sufficient to meet the needs of either a composite electronic circuit or load device, so cascading of amplifiers is required to provide greater voltage of current amplification of both. RC coupling is the most widely used coupling between the two stages of a cascaded or multi stage amplifier because it is cheaper in cost, it is a very compact circuit and provides excellent frequency response.
A permanent magnet DC motor is being considered for use as a drive motor for a vehicle. The motor is known to have the following properties No load speed @ 100 V = 2000 rpm torq
Q. Explain the working principle of a Q meter. Also explain the factors that cause errors during a Q factor measurement. Ans. Working Principle of Q Meter: the q meter is
Q. For the capacitor shown in Figure connected to a voltage source, sketch i(t) and w(t).
Dissemination of Learning - KPI Management has initiated a program, consequently invested a considerable amount of resources and learnt a lesson too. This learning now needs t
Collection and Payment Systems Payments are currently made in person in most of the places. Only some places payments could be made on line or by the ATM (Automated Teller Mac
Q. What is RingTopology? In ring topology, all user nodes are connected with physical path acting as links of a chain and last user node is connected back to the first node. A
1555_Use delta-wye transformation for network reduction.png what is the solution to this particular problem?
Currents induced in armature conductors of a d.c. generator are alternating. To make their flow unidirectional in the external circuit, we need a commutator. Moreover, these curren
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Q. What is the speciality of a darlington transistor? A darlington pair behaves like a single transistor with a very high current gain. The total gain of the darlington is the
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