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A circuit contains a known resistance of 2.4 kO, and an unknown inductance.
a) When a 12-V battery is connected, what is the current in the circuit a long time after the switch is closed?
b) If it takes 3.1 ms for the current to reach 95% of this value, what is the inductance in the circuit?
c) At the time given in part b, what is the amount of energy that has been stored in the magnetic field of the inductor?
Suppose that the machining operation requires 1 kW, that the tool machine ihas 90 percent efficiency, and that the supply current is 14 A rms with a power factor of 0.8. Find the AC machine efficiency.
Expand the memory unit to a 32x4 RAM using two 7489ICs ( you might use the HM6116A120 chip for the Multisim Program Simualtion). Use the CS inputs to select between the two ICs. Note that since the data outputs are 3-stated
A police K-band radar is operating, with transmit power of 1000 Watts and antenna gain of 300 in linear units. The radar unit is designed to detect a target with a radar cross-section (RCS) of 6 sq. meters and its receiver can detect a signal
if we have a circuit with R= 5, L=22mH, C=22nF , Vs=10 and the switch S was opens for a long time and it closes at time t=0 second. all connected in series, how can i find the voltage in the capacitor Vc
A long solenoid with 11.9 turns/cm and a radius of 5.76 cm carries a current of 18.2 mA. A current of 4.77 A exists in a straight conductor located along the central axis of the solenoid.
What is the bandwidth required (in bps) if synchronous time division multiplexing is used, along with the standard analog-to-digital sampling rate, and each sample is converted into an 8-bit value.
An ideal p-n junction diode is reverse biased with a voltage of 30 mV. If the reverse current at this voltage is 1 pA and the area of the diode is 100 µm x 100 µm, what is the reverse saturation current density, JS
When the temperature is held constant, the digital display of thermometer A does not change, but the display of thermometer B randomly toggles between three to four adjacent readings (i.e., +/- 2 degrees). For the questions below, assume that the ..
Compare and contrast transmit and receive diversity. Describe how each diversity type lead to an improvement in system performance.
The pumps exhibit a surging effect with a period of 2.2 sec. What is the minimum sampling rate to ensure quality data. How much time can be spent processing each station's data. Data acquisition hardware and software take 200µ sec for a channel.
What will happen to that wave at the point of impact. having a permittivity of fr = 4. What is the characteristic angle of two media when an electromagnetic wave moves from a medium with index of refraction2.1 to another one with index 1.51
Design a UV flip-flop using a JK flip-flop and two logic gates. where the characteristic table for the UV flip flop is U V Q(t+1) 0 0 1 0 1 !Q(t) 1 0 Q(t) 1 1 Q(t)
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