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The 16giga-byte (GB=2^30 bytes) flash memory chip for an MP3player is 11mm by 15mm by 1mm. This memory chip holds 20,000photos.a) How many photos fit into a cube whose sides are 1mm?b) How many bytes of memory are stored in a cube whose sidesare 200 micro meter?
determine that the total field B within the sample is one tesla. Calculate M and determine what percentage of the volume now consists of domains with magnetization parallel to the field.
A cyclotron used to accelerate alpha [articles (m=6.55 x 10^-27kg, q=3.2x10^19C) has a radius pf .50, and a magnetic field of 1.8T (a)what is the period of revolution of the alpha particles (b)what is their kinetic energy
The transfer function of a discrete time system is given by H H(z) = z/(z-0.5) The system has a sampling rate of 100 Hz. Calculate the frequency response of the system at 25 Hz input frequency as a complex number in both rectangular and polar f..
any noise will pass straight through to the ADC subsystem, introducing measurement error. You have two choices to mitigate this: SW filtering and HW filtering. Either way around, you need a HW anti-aliasing (low pass) filter following the output.
A group of technicians is gathered around a circuit that works with one signal generator but nit with the other. No one can figure out why one generator works but not the other. What might be happening.
Suppose 33 mL of 1.20 MHCl is added to 42 mL of a solution containing excess sodium hydroxide, NaOH, in a coffee-cup calorimeter. The solution temperature, originally 25.0C, rises to 31.8C.
The potentiometer extends between positions 1.9 cm and 54.6 cm on the scale. The voltage read by the DMM is 1.000 V and the current read the by DMM is 42mA. What is the resistance per unit length of the nichrome wire
False positive and false negative rates can be adjusted, and they are often complementary: Lowering one raises the other. List two situations in which false negatives are significantly more serious than false positives.
The current flowing through a 300-mH inductance is given by 5exp(-200t) A, in which time t is in seconds. A) Find an expression for the voltage in terms of t. B) Find an expression for the power in terms of t.
A modulating signal consists of two sinusoidal components: 1 kHz and 3 kHz. The transmitter carrier frequency is 80 kHz. Assume in a SSB-USB modulated signal that the inserted carrier at the receiver is 200 Hz too high.
A radio channel has a bandwidth of 10 KHz and a SNR of 15 dB. What is the maximum data rate that can be transmitted: (a) Using any system (b) Using a code with 64 possible states
Now that you have gained some familiarity with solar cells and their characteristics, what are your impressions about the efficiencies of these devices What are some applications for solar cells that are currently being used Why is this technology..
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