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1) What is the purpose of the deflection plates in the CRT?
2) How does the oscilloscope produce a stationary pattern of an AC voltage signal?
3) What is a Lissajous figure? Be sure to (a) discuss how one is made, and (b) sketch an example of one.
4) A sinusoidal voltage is displayed on an oscilloscope screen. The separation on the screen between two adjacent peaks is 3.5 divisions, and you notice that the sweep speed is set to 1 ms per division. What is the frequency of the sinusoidal voltage?
5) The peak voltage of the source from problem 4 is 12 V. You notice that the sensitivity setting on the oscilloscope is 5 V per division. How many divisions, peak to peak, will the voltage span on the oscilloscope screen?
if a curve with a radius of 74m is perfectly banked for a car traveling 71kmh what must be the coefficient of static
When a "dry-cell" flashlight battery with an internal resistance of 0.37 ? is connected to a 1.56-? light bulb, Find the ratio Pwet/Pdry of the power delivered to the bulb by the wet-cell battery to the power delivered by the dry-cell battery
Two sinusoidal waves, identical except for phase, travel in thesame direction along a string producing a net wavey'(x, t) = (4.0 mm) sin(24x - 4.0t + 0.800 rad), What is the phase difference between them
A uniform magnetic field of 25 mT magnitude points into the page. The wire is 1.4m long and straight, but has a loop smack in the middle. The loop has a radius of 3cm. The wire is then quickly - within 50ms - pulled taut and the loop disappears. Calc..
A piece of Nichrome wire has a radius of 5.50 10-4 m. It is used in a laboratory to make a heater that uses 3.00 102 W of power, estimate the necessary length of wire
Two identical small insulating balls are suspended by separate 0.22-m threads that are attached to a common point on the ceiling. Determine the tension in the threads
a 3.5-kg block and a 1.9-kg block connected by a string that passes over a small pulley hang vertically. calculate the
A 0.5kg mass is attached to a spring of spring constant 20N/m along a horizontal frictionless surface. what is amplitude of vibration
A 2.27-kg block (M1) and a 5.87-kg block (M2) are connected by a massless string. Applied forces, F1 = 10.1 N and F2 = 4.83 N, act on the blocks, What is the net force acting on M1
A 95.0-kg climber is scaling the vertical wall of a mountain. His safety rope is made of a material that, How much is the rope stretched when it breaks his fall and momentarily brings him to rest
the half-life of a muon at rest is 1.52 us. One can store muons for a much longer time by accelerating them to a speed very close to that of light, How fast will the muons have to be moving
The rms value of the electric field in an electromagnetic wave is Erms = 480 V/m. Find the average energy density
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