Choose the best completion to this statement: A static Element is an element ... - correct answer
✔✔Where the current output or state depends ONLY on the Current input
Choose the best completion to this statement: A non-casual element is an element--- - correct answer
✔✔Where the current output depends on future input
An exponential function (a function of the form y(x)=be^mx)) results in a straight line when plotted on -
correct answer ✔✔Semi-long axes with the dependent variable on the logarithmic axis
A LINEAR element is an element that obeys the superposition principle - correct answer ✔✔True
A power function (a function of the form y(x)=bx^m) results in a straight line when plotted on - correct
answer ✔✔Log-log axes
Match the input signals to their plots
a. T graph with t=0
b. T graph with a line coming from 1 u(t)
c. Plot with a diagonal line from 0
d. Half of a Parabola - correct answer ✔✔a. Impulse
b. Step
c. Ramp
d. Parabolic
Consider the following differntial equation 3(d^3x/dt^3)+5t(dx/dt)=sin(t). This is a _____ equation -
correct answer ✔✔Linear
Consider the following differential equation 3(d^3x/dt^3)+5t(dx/dt)=sin(t). The independent varaible is -
correct answer ✔✔t
, The transfer function is independent of the initial conditions and the input - correct answer ✔✔True
Consider the following differential equation 3(d^3x/dt^3)+5t(dx/dt)=sin(t). The differential equation is -
correct answer ✔✔Variable coefficient
Resistors, capacitors adn inductors are passive elements - correct answer ✔✔True
For the operational amplifier shown below, there are two golden rules that can be used to analyze
circuits containing it. These rules are specified in terms of the two input currents i1 and i2 and the
differential input voltage Vin. Which of the following statements is equivalent ot the two golden rules?
Rule 1: Vin=0 and i1+i2=0
Rule 2: Vin=0 and i1=i2=0
Rule 3: i1=0 and i2=0 - correct answer ✔✔Rule 2
A circuit consists of a voltage source in series with a resistor, capacitor and inductor. How many states
are required for the state space model? - correct answer ✔✔2
In a DC motor, the back emf opposes the applied armature voltage - correct answer ✔✔True
To adjust the speed of an armature controlled DC motor, you adjust the ______ - correct answer
✔✔Armature Voltage
In a DC motor: The ___a.___ changes the direction of the armature current so that the force is always in
the same direction. The ___b.___ is a coil of wire upon which the force is applied. ____c.____ specifying
the magnitude and direction of this force. - correct answer ✔✔a. Commutator
b. Armature
c. The Lorentz Force Law
A 5 input, 4 state, and 2 output system can be represented in transfer function form. The size of the
matric is ___a.___ rows by ___b.___ columns - correct answer ✔✔a. 2
b. 5
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