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Consider an electromagnet, as shown in Figure, which is used to support a solid piece of steel and is excited by a coil of N = 1000 turns carrying a current i = 1.5 A. The cross-sectional area of the fixed magnetic core is A = 0.01 m2. Assume magnetic linearity, infinite permeability of the magnetic structure, and negligible fringing in the air gap.
(a) Develop a general expression for the force f acting to pull the bar toward the fixed magnetic core, in terms of the stored energy, from the basic principle of conservation of energy.
(b) Determine the force that is required to support the weight from falling for x = 1.5 mm.
how to write a matlab program for TITO system to draw nyquit plots.
with the aid of the diagram explain the following rules that can be used to determine the direction of magnetic fields around a current carrying conductor (1)cork screw rule (2)rig
8085 is a one address microprocessor. In 8085 interrupts are classified by hardware and software interupts.
A LIT (linear time-invariant) system, impulse response h [ n ], is described by: (a) Show the block-diagram representation for this FIR filter (only use multiplier, adder
Explain DJNZ instructions of intel 8051 microcontroller? a) DJNZ Rn, rel Decrement the content of the register Rn and jump if not zero. b) DJNZ direct, rel Decreme
Materials with 'hard' magnetic B/H characteristics often show a strong residual magnetism. This makes them suitable for making permanent magnets. If the ring material were magnetis
Q. Determine the h-parameters for the circuit shown in Figure and obtain the transfer function V 2 /V 1 when I 2 = 0.
Power up the "TIMS" unit by using the switch at the back. Connect the Pico Virtual Instrument (PicoScope) to the PC as per Appendix 1 On the "TIMS" unit, connect the 2 kHz (s
The subject of electrical measurements is such a large one that entire books have been written on the topic. Only a few basic principles will be introduced here. Practical measurem
Q. The voltage across a parallel combination of a 100- resistor and a 0.1-µF capacitor is 10 cos(5000t +30°) V. Determine the admittance of the parallel combination and find the c
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