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Electric Circuits
A wire 75 cm long carrying a current of 6.0 A is at right angles to a uniform magnetic field. The magnitude of the force acting on the wire is 0.60 N. What is the strength of the magnetic field ?
Electric Circuits
& A 10 Ω resistor, a 15 Ω resistor, and a 5 Ω resistor are connected in series across a 90 V battery.
a. What is the equivalent resistance of the circuit?
b. What is the current in the circuit?
a. What is the equivalent resistance of the circuit?
b. What is the current in the circuit?
Electric Circuits
The effective voltage of a particular AC household outlet is 117 V.
a. What is the maximum voltage across a lamp connected to the outlet?
b. The effective current through the lamp is 5.5 A. What is the maximum current in the
lamp?
a. What is the maximum voltage across a lamp connected to the outlet?
b. The effective current through the lamp is 5.5 A. What is the maximum current in the
lamp?
Electric Circuits
A generator in a power plant develops a maximum voltage of 170 V.
a. What is the effective voltage?
b. A 60 W light bulb is placed across the generator. A maximum current of 0.70 A flows
through the bulb. What effective current flows through the bulb?
c. What is the resistance of the light bulb when it is working?
a. What is the effective voltage?
b. A 60 W light bulb is placed across the generator. A maximum current of 0.70 A flows
through the bulb. What effective current flows through the bulb?
c. What is the resistance of the light bulb when it is working?
Electric Circuits
Buzz and woody decide to test Einsteins theories while andy is away at collage.
Buzz flies very fast around in circles for 128 seconds, but to woody it seems that he flew for 205 seconds. determine the true width of buzz"s wings given that to woody they appeared to be 2.0 inches wide as buzz flew by.
Buzz flies very fast around in circles for 128 seconds, but to woody it seems that he flew for 205 seconds. determine the true width of buzz"s wings given that to woody they appeared to be 2.0 inches wide as buzz flew by.
Electric Circuits
The energy released from 6.25E-10 kg of mass in a nuclear reaction is used to heat a 252 kg piece of aluminum initially at 18.5 Celsius. what is the final temperature of the aluminum?
Electric Circuits
A three-stage amplifier has a second stage power gain of 5 dB and noise figure of 4.5 dB.
The third stage has a power gain of 3 dB and a noise figure of 5.5 dB. The overall power
gain is 12 dB and the signal to noise ratio at the input of the first stage is 10 dB.
Calculate the power gain and noise figure of the first stage required to give a signal to
noise ratio at the output of the third stage of 4 dB
The third stage has a power gain of 3 dB and a noise figure of 5.5 dB. The overall power
gain is 12 dB and the signal to noise ratio at the input of the first stage is 10 dB.
Calculate the power gain and noise figure of the first stage required to give a signal to
noise ratio at the output of the third stage of 4 dB
Electric Circuits
The electric potential function V(x) between two parallel plates is shown (it is a diagram that shows that the change in V is 12V and the distance is .35 mm. with a vector line going up in the positive x direction.) Which is the positive plate?
Electric Circuits
A block of mass m resting on a 20° slope. The block has coefficients of friction and with the surface. It is connected via a massless string over a massless, frictionless pulley to a hanging block of mass 2.0 kg. What is the minimum mass m that will stick and not slip?
Electric Circuits
Ultrasound Technician
Career Worksheet
In complete sentences, answer each question. Each question is worth 6 points, for a total assignment point value of 60 points.
What technology or research is involved with this career?
Describe how this technology or research involves electromagnetic or sound waves.
Describe the properties of waves that make the technology possible. If you have chosen a research career, what topics are the researchers interested in learning more about?
What information does this technology or research provide that is a benefit to individuals and society?
What type of specialized training is necessary to learn the skills needed to work in this career field?
How is this career a good fit for you or an individual who would work in this field.
Describe your work environment in this career field.
What are three advantages of working in this type of career?
What are three disadvantages in working in this type of career?
Career Worksheet
In complete sentences, answer each question. Each question is worth 6 points, for a total assignment point value of 60 points.
What technology or research is involved with this career?
Describe how this technology or research involves electromagnetic or sound waves.
Describe the properties of waves that make the technology possible. If you have chosen a research career, what topics are the researchers interested in learning more about?
What information does this technology or research provide that is a benefit to individuals and society?
What type of specialized training is necessary to learn the skills needed to work in this career field?
How is this career a good fit for you or an individual who would work in this field.
Describe your work environment in this career field.
What are three advantages of working in this type of career?
What are three disadvantages in working in this type of career?
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#331389 on Nov 2022
#331389 on Nov 2022