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1. A silicon diode has a forward current of 500 mA at 1 V. Use the third approximation to calculate its bulk resistance.
2. Given a silicon diode with a reverse current of 5 a at 25°C and 100 μA at 100°C, calculate the surface leakage current.
In order to eliminate the cost of calling cards, the company in the above problem is considering a new policy that requires blocked callers to redial over and over until they get a trunk.
Two input voltages are v1(t) and v2(??). Design an op-amp circuit that will generate the voltage 3v1(??) - 2??2(??). Its input resistance must exceed 1 kΩ and its output resistance must be less than 10 Ω. Use more than one op-amp if necess..
Design a circuit to provided a positive voltage whose magnitude is equal to the acceleration (revolutions pre minute) of the wheel. Assume the velocity sensor's output 1 mV/rpm, and the wheel rotates at less than 3500rpm.
The following test data were obtained from testing a 48kVA, 4800/240-V, step down transformer: Open-circuit test Voltage (V) 240 Current (A) 2 Power (W) 120 Short-circuit test Voltage (V) 150 Current (A)10 Current
Find the input torque to the generator.If armature current and field current are kept constant, find the new value of the terminal voltage if the power factor is changed to 0.7 lagging.
One mole of oxygen expands at a constant temperature T of 310 K from an initial volume of 12 Lto a final volume 19 L. In this expansion internal energy is constant. How much heat is taken by the gas during the expansion
A series circuit has a DC voltage source (56 volts), a resistor, (72 ohms), a capacitor (82 farads), and a switch. The capacitor is initially uncharged and the switch closes at t=0.
In Fig. an 8-Ω heater is connected to the 120-Ωac power line by two 50-ft lengths of copper wire. If each 50-ft length of wire has a resistance of 0.08 V, then calculate the following- The total length of copper wire that connects the 8-Ω heater t..
B.) Write an equation for v(t) for t > 0 C.) Write an equation for the power absorbed by resistor for t >= 0 D.) Find how much energy the resistor disspates for t >= 0 E.) How much energy is stored in capacitor at t=0
A process worker received an electric shock when she attempted to turn off a conveyer control. The toggle switch controlled the power to a variable speed drive. An examination found that dust had accumulated on the toggle switch. Moisture on the ..
A 750-N.m torque is applied to a hollow shaft having the cross section shown and a uniform 6-mm wall thickness. Neglecting the effect of stress concentrations, determine the shearing stress at points a and b.
A disk drive has a constant failure rate and an MTTF of 4,000 hr. What will the probability of failure be for 2-year of operation
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