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1. Express the following quantities using appropriate engineering notation (i.e., state the numeric to the nearest standard prefix).
a) 5.75 x 10^7
Joules
b) 1,500 x 10^-5 Henrys
c) 0.00075 Ohms
d) 0.29 x 10^-12 Farads
e) 7400 x 10^3 Hertz
2. The maximum power a device can dissipate is 0.25 (W). Find the maximum current allowed by the device power rating when the voltage across it is 3 (V).
3. For a given lithium ion battery, it can supply 0.85 ampere-hours, or 850 (mAh) with a constant output voltage of 3.6 (V). How much energy is stored in this lithium ion battery?
4. How much energy is imparted to an electron that flows through a 12 (V) battery from the positive terminal to the negative terminal?
5. For the following two parts, provide the four answers to each part
A) Specify the color code for the following resistors
a) 2.4 (k?) 5%
b) 4.7 (M?) 20%
c) 3.3 (k?) 5%
d) 1.5 (?) 10%
B) Specify the resistance range of the following resistors
a) Green-White-Blue
b) Yellow-Violet-Orange-Silver
c) Green-Blue-Red-Silver
d) Brown-Red-Red-Silver
Built-in voltage for a Si p-n junction is tested to be 0.6 V, NA = 2 X 10^15 cm^-3 on p side. Find ND on n side. (Assume ni = 1 x 10^10 cm^-3; and k*T/q= 0.026 V)
A wafer 100mm in diameter is mounted in an electron-beam evaporation system in which spherical radius is 40cm. Estimate the worst case variation in film thickness between the center and edges of the wafer for an evaporated aluminium 1micro meter t..
An electric pencil sharpener is rated 240 mW, 6 V is connected to a 9-V battery and a series-dropping resistor Rx needed to power the sharpener. Calculate the value of the series-dropping resistor Rx needed to power the sharpener.
A 1 kHz sine wave signal with a power level -10 dBm is applied to the input of the amplifier. What is the power at the amplifier output in dBW?
Store the arrival times in memory locations starting from $1000.(Do this is in C. Store the results in an array and don't worry about the speci c location of the results.)
The voltage and current in the Laplace domain for a certain system is given by V (s) = 1/12 1/s^2 +3, I(s) = s/s^2+3. Is this system best described as resistive, capacitive, or inductive?
Determine the energy uses on farms in middle east and determine whether or not it is better to use a stand alone system or a grid connected system for the application on farms.
A transformer has a primary voltage of 115v and a secondary voltage of 24v. If the number of turns in the primary is 345, how many turns are in the secondary?
Describe the charge diffusion and drift in a PN junction, without and then with an applied voltage
If R2 = 2R1, R3 = 3R1 and the total power taken by the circuit is 480 watts. Calculate the power in each resistor
Plot the magnitude response (in dB) and the impulse response of the designed filter using MatLab.
A sequential circuit has two inputs w 1 and w 2 , and an output, z. Derive a suitable circuit for the given condition.
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