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Q. Afixed-biasmethod is illustrated in Figure. Assuming ICBO to be small compared to IBQ and ICQ, find RB such that the operating point corresponds to ICQ = 14 mA, VCEQ = 7 V, when VCC = 12 V and the silicon BJT has a nominal β = 70. Also determine RC.
Explain the effect of a dielectric on the behaviour of a capacitor. If two parallel plates are separated by a distance 'd' (meters) in vacuum and are kept at a potential diffe
Flow of electrons - Electrons flow down a wire that is what current, is. Good conductors like copper and silver and aluminum have free electrons in their outer shells, and they jum
Zener breakdown: Zener Breakdown takes place in very thin junction i.e. when both sides of junction layer is narrow. When a small reverse bias voltage is applied a Very strong
In the conventional dc machine (with a closed continuous commutator winding on its armature), for example, full-wave rectification of the alternating voltage induced in individual
Digital circuits In analog circuits, we think something about voltages on terminals ranging over natural values. This provides us the freedom to make an enormous variety
Short-Term Measures for Technical Loss Reduction The short-term measures involve measures needs for immediate improvement and reduction of losses within the system. These are
Explain Synchronous Generators? They can be utilized to produce or absorb reactive power. An over-excited machine produces reactive power when an under-excited machine absorbs
Calculate the Small Signal Voltage Gain a) Calculate the small signal voltage gain a v = v o /v i , input resistance R i , and output resistance Ro for the circuit below. A
Q. What do you mean by Quartz crystals? Synthetic quartz is composed of Silicon and Oxygen (Silicon Dioxide) and is cultured in autoclaves under high pressure and temperature.
hi can you help me to create a dc to 3 phase ac circuit which can exceed at any point: 50V and 20A and 400W maximum. The output should be variable from about 0 – 25V per phase, wi
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