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A Hall effect probe to measure magnetic field strengths needs to be calibrated in a known magnetic field. Magnetic fields can be very precisely measured by measuring the cyclotron frequency of protons. A testing laboratory adjusts the magnetic field until the proton's cyclotron frequency is 10.0 MHz. At this field strength, the Hall voltage on the probe is 0.543 mV when the current through the probe is 0.15 mA. Later, when an unknown magnetic field is measured, the Hall voltage for the same current is 1.735 mV. What is the strength of the latter magnetic field.
Discuss the attributes of professional and technical presentations. What are some of the characteristics that may differentiate these types of presentations from others.
the input voltage to an op amp is a large voltage step. the output is a exponential waveform that changes 2.0V in 0.4us. what is the slew rate of the op amp.
What is the purpose of core in hollow solder wire What is tinning, and why is it important Why is safety so important when soldering Why has lead-free solder replaced lead-based solder
A new semiconductor has Nc = 1019 /cm3 and Nv=5 x 1018, and Eg = 2eV. If it is doped with 1017 donors (fully ionized), calculate the electron, hole, and intrinsic carrier concentrations at 627K.
1.) What is used by the 32Bit STOS instruction to locate the destination location in memory 2.) What 32bit register is changed by EVERY instruction 3.) What is the register is the lowest byte of the D general purpose register
DRAW A COMPLETE STATE DIAGRAM OF A FINITE STATE MACHINE THAT DETECTS THE EXACT PATTERN 11100 IN A SERIAL STREAM OF INCOMING BITS. WRITE A TRUTH TABLE AFTER DETERMINING NUMBER OF FLIP-FLOPS REQUIRED
Let the random variable X denote the annual snow fall amount at a well known Utah ski resort. X has a normal distribution with mean 500 inches and standard deviation 50 inches. (a) What is the probability that in a given year the snow fall will be ..
A series circuit consisting of a 0.398-henry inductor and a 212-µF capacitor is connected to a 125-volt variable frequency source. At what frequency will the circuit take a lagging current of 2.5 A
A student project is required to be portable and hand held. It requires 6 V DC power at a current of 150 mA. The batteries for the power supply must last for a minimum of 7 hours of continuous operation.
A ball is thrown vertically upward, which is the positive direction. A little later it returns to its point of release. The ball is in the air for a total time of 8.06 s. What is its initial velocity
Design a power supply using a 24V, center-tapped transformer to supply 12V at 500mA, -12V at 100mA and 5V at 250mA. What is the minimum current rating of the transformer
Design a Miller integrator with a time constant of 0.1 s and an input resistance of 100 k ohm. A dc voltage of -1 volt is applied at the input at time 0, at which moment vO = -10 V. How long does it take the output to reach 0 V to +10 V
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