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1. Find the Norton equivalent circuits for the two-terminal circuit shown in Fig.1.
2. Find the Norton equivalent circuits for the two-terminal circuit shown in Fig.2.
3. Fig. 3 shows a resistive load RL, connected to a Thevenin equivalent circuit. (Tricky question)
a) For what value of Thevenin resistance is the power delivered to the load maximized?
b) Find the maximum power delivered to the load.
4. Use superposition to find the current i in Fig. 4.
5. Solve for is in Fig. 5 by using superposition.
6. Solve for i1 in Fig. 6 by using superposition.
Find the magnitude of the current density in a sample of silver for which σ=6.17x10^7 S/m if: a) The electric field intensity is 1mV/meter. b) The same is a cube 2.5mm on a side having a voltage of 0.4mV between opposite faces.
A submarine uses a λ/2 -dipole antenna for RFcommunications with the Naval Command Control and OceanSurveillance Center that also equipped with a λ/2-dipole. Operating frequency is 30 MHz. Find the length of both antennas.
A starship of mass (2.0?106 kg) uses its tractor beam to pull a shuttlecraft (2.0?104 kg) aboard from a distance of 10 km away. The tractor beam exerts a constant force of 4.0104 N on the shuttlecraft. Both spacecraft are initially at rest.
A room has four doors and four light switches (one by each door). Sketch a circuit that allows the four switches to control the light - each switch should be able to turn the light on if it is currently off, and off if it is currently on.
Discuss different types of addressing modes of HCS12. What is a relative addressing mode What is the difference between a direct and an extended addressing mode Discuss how Registers X and Y are used in index addressing mode.
What is the magnetic ?ux density at a distance of 0.1 m from a wire that carries a current of 0.35 A?
Consider a silicon pn junction diode at room temperature with: EG = 1.1 eV VBI = 950 meV ÷ = 4.0 eV
Determine the work done in carrying a charge -2x10-6C from P1 = (2, 1, -1) to point P2 = (8, 2, -1) (both in cartesians) in the field E = yax + xay (all in SI units) by integrating QE.dL along the straight line connecting the two points. Note: E i..
A 4-bit A/D converter is designed to convert analog voltages in the +/-5 V range inot a digital output. If -5V=1111 and +5=0000, what is the digital output and resolution, with an applied analog voltage of +0.625V
Identify and describe three different ways to manufacture resistors. These variations can be "form factor" or the technique used to establish the resistance. Provide an example of a resistor de-rating curve from a manufacturer
What is the data rate of a digital electrical communication system that uses 16 voltage levels to carry multiple bits with one voltage level, where each voltage level is kept at that level for a duration of 2 ms
A Motorola 68000 microprocessor-based data acquisition system incorporates memory ( EPROMS and SRAMS), an Analog-to-Digital Converter (A/D), a Centronics Parallel Printer, and a very simple I/I Device made up of a single push-button switch.
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