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Q. Figure can also be considered as a simple model of a magnetically operated relay that is commonly used for the automatic control and protection of electric equipment. Consider the core and armature (shown as "Bar" in Figure of the relay to be constructed out of infinitely permeable magnetic material. The core has a circular cross section and is 1.25 cm in diameter, while the armature has a rectangular cross section. The armature is so supported that the two air gaps are always equal and of uniform length over their areas. A spring (not shown in the figure), whose force opposes the magnetic pull, restrains the motion of the armature. If the operating coil has 1800 turns carrying a current of 1 A, and the gaps are set at 0.125 cmeach, find the pull that must be exerted by the spring. You may neglect leakage and fringing.
Although the low side is not as good a choice as the high-side local oscillator frequency, let an AM broadcast receiver be designed with a low-side local oscillator. As fc is varie
list the key parameters to describe the ideal operational amplifier
1- Phase Full Bridge inverter will RL Load For a resistive load R the load current wave form will be identical with load voltage wave form and feedback diodes will
operation of Shaded-pole motors
Calculation of Receiving End Voltage Consider the simple circuit shown in Figure. To find the voltage V 2 using analytical method: P = I V 2 = 0.5 ..... (1)
What is the maximum memory size that can be addressed by 8086? In 8086, an memory location is addressed by 20 bit address and the address bus is 20 bit address and the address
Transmission And Distribution Losses - Electrical Energy Previously, you have learnt that there are inherent losses in transmission and distribution of electrical energy from
Q. What are the advantages of the n-channel MOSFET over the p-channel? The main advantage of the n-channel MOSFET over the p-channel is due to the fact that charge carriers in
You are asked to design a circuit that indicates if a 12 V battery has been connected the correct way around to two terminals, A and B. To do this, you have chosen to use a special
Q. Why we Need biasing? Need for biasing : Baising is necessary to establish the quiescent operating point so that the device operates with the linear region without exceeding
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