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Q. Consider a pair of coupled coils as shown in Figure of the text, with currents, voltages, and polarity dots as indicated. Show that the mutualinductance is L12 = L21 = M by following these steps:
(a) Starting at time t0 with i1(t0) = i2(t0) = 0, maintain i2 = 0 and increase i1 until, at time t1,i1(t1) = I1 and i2(t1) = 0. Determine the energy accumulated during this time.Now maintaining i1 = I1, increase i2 until at time t2,i2(t2) = I2. Find the corresponding energy accumulated and the total energy stored at time t2.
(b) Repeat the process in the reverse order, allowing the currents to reach their final values. Compare the expressions obtained for the total energy stored and obtain the desired result.
Show how a typical DMA controller can be interfaced to an 8086/8085 based maximum mode system. For 8088 in maximum mode: The RQ/GT1 and RQ/GT0 pins are utilized to issue DMA
With respect to serial communication define the parity. Besides the synchronization given by the use of start and stop bits, an additional bit termed as a parity bit may opt
cpopy 16 bit data Register pair Example : Copy 16 bit data 3 E 21H in register pair BC Solution :The statement is LXI B 3E 21H 16 bit data 3E 21H in reg
The single phase alternator The underlined italicised terms in the following text identifies terms that you should understand and remember. The simple two pole generator
Q. Cause of sparking at the brushes of a DC Motor? Ans: Sparking at the brushes can be occur due to poor quality of carbon brushes, loose connection, poor armature of carbon
explain the properties and the application of high resistivity materials related with tunsten and carbon?
how started the use of complex variables in circuit analysis for the first time.
Stator Voltage Control Methods By controlling the applied voltage the speed of an induction motor can be controlled. Since the output torque of 3-? induction motor i
wht is a zener diode
Control Signals There are two control signals and one special (ALE) in this category. All these signals are output signals. RD (Read signal ) it is an active low
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