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I=
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q/t
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Biceps
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Triceps
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Power unit
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Watta
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C_eg parallel
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direct add
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electric conductance
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seamans (S)
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reactance
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imaginary component of impedance
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switch
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opens and closes a circuit
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Esophageal intubation. Note the decreasing CO2 and the low baseline.
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Lightbulb
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Bulb that lights up when heated.
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Series
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What kind of circuit is this?
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cuttoff
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the nonconducting state of a transistor
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definition of current
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rate of flow of charge
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When an electric current flows through an electromagnet, it becomes a ___
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magnet
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resistor
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A ________ regulates and slows down the flow of electrons by becoming more narrow or by conducting electricity poorly.
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electrical symbols
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simple symbols used in circuit diagrams
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Voltage drop
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The amount of potential difference across a resistor.
-the amount of voltage required to push a specific amount of current across a resistor.
-resistance increases so does the potential drop.
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1/C = 1/C + 1/C + ...
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Series
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A ____ is used to make electrical energy from chemical energy
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battery
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Node
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Point of connection of two or more circuit elements
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Schematic Diagram
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diagram that show elements of circuit using standard symbols
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phase margin
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the difference between the total phase shift through an amplifier and 180 degrees; the additional amount of phase shift that can be allowed before instability occurs
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Current-controlled voltage source
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V = rI(s) (r=constant) [+/- diamond]
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digital signal
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only a few restricted ranges of amplitude are allowed, and each amplitude in a given range has the same significance
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in ___, total R is always less than the smallest R
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parallel
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Series bEquivalent resistance
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The total number of resistance of circuit ; a single resistor that could replace all the other and have the same effect on the circuit
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power gain
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the ratio of power delivered to the load to the input power of an amplifier
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Electric Current
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the time rate of transfer of electric charge across a specific boundary.
i = dq/dt (A)
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closed circuit
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a circuit with the switch in the on position, so there are no breaks and charge can flow
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differential mode
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the input condition of an op amp in which opposite polarity signals are applied to the two inputs
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Kirchhoff's Voltage Law (KVL)
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The algebraic sum of the voltages around a closed loop must always be zero.
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closed loop voltage gain
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the net voltage gain of an amplifier when negative feedback is included
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A circuit must have no breaks in order for a current to ___. This is called a ___ ___.
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flow - closed circuit
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where is bias supplied from for Q2
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it is supplied through Rc1, the collector resistor for Q1
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How do you measure current with an ammeter
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In an ammeter the current measurements are made in series, with 0 voltage drop across the meter. You must break the circuit where the current will normally go through
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cos(wt+90deg)=
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Inductors add
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voltage
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Ohm's Law
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R=V/I
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L_eq parallel
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reciprocal add
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bit
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single binary digit
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1 W equals
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1 j/s
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Circuit
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path containing easily moveable charges that electrons can flow through
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Malignant hyperthermia. Note the rapidly increasing CO2.
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conductor
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material through which electricity is easily transferred
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Ammeter
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A device used to measure current
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coax
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a transmission line, principally used for high frequencies, in which a center conductor is surrounded by a tubular conducting shield
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in a _____, current DOES flow
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closed circuit
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Home circuits
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are set up as parallel circuits
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series circuit
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circuit in which electric current follows only one path
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resistor-inductance circuits
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electric circuit comprised by resistor and inductor driven by a voltage source
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One electrode on a battery is the positive ___ post.
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cathode
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conductivity
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The resistance of a wire depends on the _________ of the material used in the wire
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Circuits
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A closed loop that current can flow through
Needed potential difference to put changes in motion in one direction
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class A
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an amplifier that operates in the active region at all times
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Alternating current (AC)
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Current in which electrons oscillate back and forth.
-flow in a positive direction then a negative direction.
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logic values
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binary signals take on amplitudes in only two ranges, and the information associated with the ranges is represented by logic values 1 or 0
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poles
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area of a magnet where the force is strongest
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Series
Elements are connected
Current has
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End to end
One loop
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push-pull
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a type of class B amplifier with two transistors in which one transistor conducts for one half-cycle and the other conducts for the other half-cycle
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root mean square
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square root of arithmetic mean of squares of the numbers in given set of numbers
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Parallel path
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The # of paths = the # of resistors
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input offsed current (Ios)
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the difference of the input bias currents
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kirchhoff's current law (kcl)
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states that the algebraic sum of currents entering a node (or a closed boundary) is zero
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do you need bias resistors
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no, since the stages are directly coupled, bias current for Q2 is supplied by Q1, eliminating the need for any bias resistors for Q2 and eliminating a coupling capacitor between the stages
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Generators do not give off
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Circuit charges , they only charge in pen direction
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common mode rejection ratio (CMRR)
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the ratio of open loop gain to common mode gain; a measure of an op amp's ability to reject common mode signals
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I = V/R (or) I = Q/T
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What 2 formulas would you use to find current?
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