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A DC source of 48V is connected to one end of the cable. The other end of the cable supplies a DC load. If the load current is 12.5 A, calculate the voltage drop due to the cable resistance and the laod voltage. Assume the cable temerature is degree C. Sketch the circuit and label all the voltages on the sketch.
A 60-watt outdoor lightbulb is advertised as having an average life (i.e. MTTF) of 1,000 operating hours. However, experience has shown that it will also fail on demand an average of once every 120 cycles.
Explain why the following act lead to hazardous safety conditions when working with electrical equipment. (a) wearing metal rings or bracelets (b) being barefoot,(c) working on damp or concrete floor
calculate the convolution (x1[x]*x2[k]) for the following pairs of sequences: a-) x1[k]=u[k+3]-u[k-2] and x2[k]=u[k+5]-u[k-4] b-) x1[k]=0.5^k u[k] and x2[k]=cos Pi*k u[-k]
Design a 4-bit decrementer using Half-adders and inverters as building blocks. The circuits impleents A-1=S. Draw the circuit diagram. Hint: consider addtion of the 2s complement of -1 =1111. Begin with a 4-bit adder circuit constructed with 1-bit..
Question about Subnets, An organization owns the network 200.1.1.0/24 and wants to form subnets for 4 departments, with hosts as follows
1. Determine the wavelengths for electromagnetic waves in free space with the following frequencies: 1 kHz, 100 kHz, 1 MHz, 1 GHz. 2. Determine the frequencies for electromagnetic waves in free space with the following wavelengths: 1 cm, 1 m, 10 m..
A double-A (AA) rechargeable battery is rated at 1.2V, 2100mA-h ( mili-amp hours) 1- how many coulombs of charge can this battery hold 2- how many joules of energy are stored in the battery
An optical lithographic system has an exposure power of 0.3 mW/cm2. The required exposure energy for a positive photoresist is 140 mJ/cm2 and for a negative photoresist is 9 mJ/cm2. Assuming negligible times for loading and unloading wafers
An abrupt silicon pn junction at zero bias has dopant concentrations of Na = 1017/cm3 and Nd = 5 x 1015 cm-3 at T = 300K. (a) Calculate the Fermi level on each side of the junction with respect to the intrinsic Fermi level.
what are two fundamental advances in the circuit theory that were developed in the 19th century in response to the challenges of telegraphy?
A stepper motor has 24 North teeth and 24 South teeth. What angle change occurs on each step If a full step is output every 1 ms (and assuming it doesn%u2019t slip), at what speed does the motor spin
A digital signaling system is required to operate at 9600 bps. If a signaling element encodes a 8-bit word, what is the minimum required bandwidth of the channel?
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