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PRELIMINARY: these activities should be completed before the first lab session for lab 2 lab and written into your log book.
Draw the simple circuit opposite into you log book and calculate the voltage at each point, relative to zero volts, with the switch open, and then with the switch closed. Calculate the current flowing with the switch open and closed.
In your log book state the role of the resistor. State what would happen if it was zero ohms.
The NAND gate circuit opposite is the first attempt to design a circuit that will test the logic function of a real HCOO NAND gate. The idea is that the red LED lights for a high output, and the green lights for a low output.
The circuit has several severe problems do not build it.
Work out the currents and voltages in each element and explain why the circuit cannot work and any problems. This must be written in your log book.
A 2.0-kg ball attached to a string whose length is 1.5m movescounterclockwise (as viewed from above) in a horizontalcircle. The string makes an angle θ= 30o withthe vertical.
If the spring stretches by 2.4cm, what is the coefficient of static friction between the backpack and the table.
Two waves of the equal frequency have amplitudes 2.13 and 1.36. They interfere at a point where their phase difference is 58.5 degree. Determine what is the resultant amplitude
If the tension in a guitar string is increased by 20%, by what percentage does the wave speed increase
A bicycle is turned upside down while its owner repairs a flat tire. A friend spins the other wheel and observes that drops of water fly off tangentially. She measures the heights reached by drops moving perpendicularly (see figure).
One end of a 5.39-m long string is moved up and down with simple harmonic motion at a frequency of 69.0 Hz. find the wavelength of the waves on the string
Two identical machines are positioned the same distance from a worker. The intensity of sound delivered by each machine at the location of the worker is 2.0x10-7 W/m2. Find the sound level heard by the worker
Light of wavelength 650 nm is incident generally on a glass plate which rests on a second glass plate so that they touch at one end and are held apart with a hair of diameter 0.0325 mm at the other end. How far apart are adjacent bright fringes in th..
The International Space Station is orbiting the Earth at an altitude of about 340 Km above the Earth's surface, find the size of the tangential velocity of the Space Station
When a 42.0-V emf device is placed across two resistors in series, a current of 12.0 A is flowing in each of the resistors. When the same emf device is placed across the same two resistors in parallel, the current through the emf device is 62.0 A. Wh..
a component with a 15 ohm resistor is rated for use at power levels not exceeding 1603 mw. how much current can safely
write a stepwise mechanism using arrows to show movement of electrons for the reaction of 1-butyne with hydrogen
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