Study guides, Class notes & Summaries

What is Joule's law of energy? - answer-This law states that one energy form can be converted into another without loss. In physics, how is power defined? - answer-This is the amount of work done per unit time. P= dW/dt What are the units of magnetic flux density? - answer-tesla (T) or webers per meter squared (Wb/m2) What is the unit for a solid angle? - answer-steradian (sr) What is the unit for magnetic flux? - answer-weber (Wb) What is the unit for luminous flux? - answer-...

conservative vector field Correct Answer-∇ X F= 0 linear differential equation Correct Answer-The dependent variable and its derivatives appear in additive combinations of their first powers homogeneous equation Correct Answer-When the right side of the dif eq is 0 constant coefficient equation Correct Answer-Given a⋅ y``(x) + b⋅ y`(x) + c = 0, the characteristic equation is: a⋅ r² + b⋅ r + c = 0 good electrical conductivity Correct Answer-the conduction band is half full ...

What is the primary difference, if any, between sensors and transducers? (A) There is no difference between sensors and transducers except the terms used to describe them. (B) Transducers respond to physical conditions, while sensors respond to chemical conditions. (C) Transducers funct ion in all industrial pressures and temperatures, while sensors function in ambient conditions. (D) Transducers convert electrical signals into physical conditions (e.g., motion), while sensors convert phy...

define Enthalpy Correct Answer-total energy of a system Which of the following is true of the electric field intensity about an isolated point charge? A. It varies directly as the distance to the charge. B. It varies inversely as the distance to the charge. C. It varies directly as the square of the distance to the charge. D. It varies inversely as the square of the distance to the charge. Correct Answer-D. It varies inversely as the square of the distance to the charge. As a professional en...

What is top down design? Correct Answer-Top down design is a way of designing your program by starting with the biggest problem and breaking it down into smaller and smaller pieces that are easier to solve. What is the meaning of the x variable in the following code: Correct Answer-The x coordinate of the center of the circle If you were given the following variables, What line of code would print the speed in km/hr if the distance is given in km and the time is given in minutes? (Speed = ...

What is Joule's law of energy? - Correct Answer-This law states that one energy form can be converted into another without loss. In physics, how is power defined? - Correct Answer-This is the amount of work done per unit time. P= dW/dt What are the units of magnetic flux density? - Correct Answer-tesla (T) or webers per meter squared (Wb/m2) What is the unit for a solid angle? - Correct Answer-steradian (sr) What is the unit for magnetic flux? - Correct Answer-weber (Wb) What is the uni...

What's Joule's law of energy? Correct Answer-one energy form can be converted into another without loss. In physics, how is power defined? Correct Answer-as the amount of work done per unit time. P = dW/dt What is the flowcharting symbol for an input/output? Correct Answer-(parallelogram) What is an ill-conditioned stiffness matrix? Correct Answer-This kind of stiffness matrix has two or more equations that are so nearly linearly dependent that a precise numerical solution cannot be fou...