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Consider an npn transistor whose base-emitter drop is 0.76 V at a collector current of 10 mA. What current will it conduct at vBE = 0.70 V? What is its base-emitter voltage for ic=10microampere
A person traels by car from one city to another with different constant speeds between pairs of cities. She drives for 30.0 min at 80.0km/h,12.0 min at 100km/h ad 45.0 min at 40.0km/h and spends 15.
You are provided with an ideal op amp and three 10-kQ resistors. Using series and parallel resistor combinations, how many different inverting-amplifier circuit topologies are possible? What is the
If the 10-kQ resistors are said to be "5% resistors," having values somewhere in the range (1 ± 0.05) times the nominal value, what range of outputs would you expect to actually measure for a
What issues presented themselves as obstacles, and what were opportunities that advanced nanotechnology in manufacturing?
A particle is thrown upwards from the ground. It experiences constant air resistance which produces a retardation of 2 m/s^2. Find the ratio of time of ascent to time of descent.
H(z) is a discrete rational transfer function. To ensure that both H(z) and its inverse are stable its:
Monochromatic light of wavelength, lambda, is traveling in air. The light then strikes a thin film having an index of refraction, n1 that is coating a material having an index of refraction n2. I
How long does it take light to travel through a 6.73 mm thick piece of window glass? Through what thickness of water could light travel in the same amount of time.
A 3.5 cm tall object is 15cm in front of a diverging lens that has -27 cm focal length. Calculate the image position and the image height.
A ray of one color for which n= 1.53 and a Ray of another color, for which n= 1.58 travel through a piece of glass. They meet right at the boundary between the glass and the air and emerge into the
How fast do you need to hit a block that is resting on a surface with 1N friction force with a 0.5kg hammer in order to get it to move? Assume that the impact lasts 0.1 sec.
A 1.48 cm diameter solenoid passes through the center of a 5.95 cm diameter loop. The magnetic field inside the solenoid is 0.34T. What is the magnetic flux through the loop when it's perpendicular
A scalloped hammer head shark swims at a steady speed of 1.45 m/s with its 71 cm wide head perpendicular to the earths micoT magnetic field . What is the magnitude of the emf induced between the tw
A 11 cm long metal rod pulled along two frictionless, conducting rails at a constant speed of 1.7 m/s. the rails have negligible resistance , but the rod has a resistance of 0.91 ohm B= 1.3 T what
A uniform 2.8 magnetic field points to the right A 2.19 m long wire , carrying 21.8 A is placed at an angle of 23 degrees to the field. What is the magnitude of the force on the wire?
A current loop in a motor has an area of 1.21 cm^2. It carries a 172 mA current in a uniform field of 1.42T. What is the magnitude of the maximum torque on the current loop?
What is the magnitude of the first, 2nd and 3rd wire I= 5.4A, b= 3.06cm L= 32.2 cm. There is three wires label 1,2,3 and b is the distance between 1 and 2 and it is also the distance between 2 and
A current of 18.20 mA is maintained in a single circular loop with a circumference of 3.31m. A magnetic field of 0.540T is directed parallel to the plane of the loop. What is the magnitude of the