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Q. Open-circuit and load characteristics of generator?
The open-circuit and load characteristics of a separately excited dc generator, along with its schematic diagram of connections, are shown in Figures (a) and (b). It can be seen from the form of the external volt-ampere characteristic, shown in Figure (c), that the terminal voltage falls slightly as the load current increases. Voltage regulation is defined as the percentage change in terminal voltage when full load is removed, so that, from Figure(c) it follows that
Because the separately excited generator requires a separate dc field supply, its use is limited to applications in which a wide range of controlled voltage is essential.
Program Counter (PC) It is a 16 bit register. It is a memory pointer. It stores the memory address of the next byte of the program to be executed. Memory address is of
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Explain RS422A standard. RS422A: 1. Date Rate: 10 Mbits per second 2. Driving capability up to 4000ft and 10 receivers 3. This is Differential standard that is- a
One battery having of four cells, connected in series. Emf of each cell is 1.45V and internal resistance of 0.04Ω. if a load resistance of 5Ω is connected to the battery, draw the
A forward converter has the following parameters: input source voltage V s = 100 V, N 1 /N 2 = N 1 /N 3 = 1, magnetizing inductance L m = 5 mH, output inductor L o = 200 μH, C
Q. For a transistor, when v GS = -2.0 V, find V DSsat if Vp= -4.0 V for an n-channel depletion mode MOSFET. Solution: V p = -(V DSsat + v SG ) but v SG = -v GS = -(-
Q. A negative impedance converter is used, as shown in Figure. Show that the load current i L is given by v in /R, which is independent of Z L . Note that since the load sees a cu
Use Norton Theorem, find the current flow through resistor R=10Ω.
1. (a) Consider a sinusoidal signal m(t) = A cos(2 Π f m t) applied to a delta modulator with step size . Determine the range of the step size so that slope overload will be avoide
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