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Q. Explain Resistance-capacitance coupling?
It is the most commonly used coupling in discrete device amplifier as it is least expensive and has satisfactory frequency response. In this method the signal developed across the collector resistor Rc of each stage is coupled through capacitor Cc into the base of the next stage of one stage from the following stage. The amplifiers using this coupling scheme are called RC coupled amplifiers.
Q. Let v(t) = V max cos ωt be applied to (a) a pure resistor, (b) a pure capacitor (with zero initial capacitor voltage, and (c) a pure inductor (with zero initial inductor curren
Q. A current of 65 A is measured with an analog ammeter having a probable error of ± 0.5% of full scale of 100 A. Find the maximum probable percentage error in the measurement.
Q. For the capacitor shown in Figure connected to a voltage source, sketch i(t) and w(t).
what is use of dummy coil in DC m/c????
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Q. Two single-phase transformers, each rated 2400: 120-V, are to be interconnected for (a) 4800:240- V operation, and (b) 2400:120-V operation. Draw circuit diagrams and show polar
Q. Several forms of interference? Interference may take several forms: ac hum, higher frequency pulses and "whistles," or erratic waveforms commonly known as static. Interferin
File Flops The flip flop is a one storage biteable device. The basic bistable device stores a binary of inputs value. the flip flops are categorized according to the nu
Filters 1. You need to design a lowpass filter with cutoff frequency Fc= 1MHz. a. What is the minimum filter order required for 30 dB rejection (-30 dB gain) of 10 MHz? b. What is
Decoders and multiplexers are termed, medium scale integration (MSI) devices; this term implies that the device is complex in construction and usually its operation as well. Below
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