Practice 2024 M.E.C.P Exam Questions & Answers
a difference of electrical potential Or charge between two points is measured in - ANSWERSVolts
The Difference of potential in a battery is... - ANSWERSvoltage that forces electrons to move
In Ohm's Law, the pRoperty of voltage is often symbol...
Practice 2024 M.E.C.P Exam Questions &
Answers
a difference of electrical potential Or charge between two points is measured in - ANSWERSVolts
The Difference of potential in a battery is... - ANSWERSvoltage that forces electrons to move
In Ohm's Law, the pRoperty of voltage is often symbolized as... - ANSWERSE
Voltage is really... - ANSWERSElectronic force
In ohms law, voltage is represented by either... - ANSWERSV or E
Current is the movement or flOw of... - ANSWERSFree electrons through a conductor
The way current is measured is in units called... - ANSWERSAmps or Amperes
6.24x10^18 is known as a... - ANSWERSCoulomb
Free electrons moving from one ion to the next is... - ANSWERSHow Current flows
Voltage is a charge between... - ANSWERSTwo points
What are two types of electrical current? - ANSWERSAC AND DC
Periodically reverses direction of electrons flowing "back and forth" - ANSWERSAC
AlwAys flows in one direction - ANSWERSDC
,Has both amplitude component "how much" and frequency component "How often" - ANSWERSAC
Changes periodically from positive to negative at a certain rate "called frequency" measured in cycles per
second or Hertz "Hz" - ANSWERSAC
Only an amplitude component called potential "voltage" and a frequency of zero Since it does not ever
alternate back and forth - ANSWERSDC
Found in the wall sockets of homes "in the US that's delivered at 60Hz, typically at 110 voltsg -
ANSWERSAC
The alternator creates AC that is changed into DC by a process called... - ANSWERSrectification
The AC generated inside the alternator's stator must pass through diodes that rectify it so it can be
connected with DC components like... - ANSWERSThe car battery and other devices
AC OR DC describes. .. - ANSWERSCurrent flow behavior
Amount of actual electrons flowing in an AC or DC circuit is still expressed as. .. - ANSWERSAmperes
No voltage= - ANSWERSNo current
In ohms law, current is Symbolized as... - ANSWERSA or I for intensity of electron flow
1000 millivolts "mv"= - ANSWERS1 Volt
1 million microvolts "uV"= - ANSWERS1 volt
1000 Milliamps "uA"= - ANSWERS1 ampere
, 1 million microamps"uA"= - ANSWERS1 ampere
The opposition to current flow is called? - ANSWERSReSistance
an infinite amount of resistance would produce no current flow, which is known as an... - ANSWERSopen
circuit
no resistance at all, results in the highest possible current flow, which is known as a - ANSWERSshort
circuit
at least some amount of electrical resistance is necessary for any electrical circuit To... -
ANSWERSoperate safely and dependably
corrosion or poor connections are the cause of unnecessary - ANSWERSadded reSistance
in ohms law, the symbol for resistance is simply... - ANSWERSR
1000 milliohms "m"= - ANSWERS1 ohm
1k ohm= - ANSWERS1000 ohms
1M ohm= - ANSWERS1 million ohms
Ohm's law describes a specific and measurable relationship between - ANSWERSvoltage, current and
resistance
Electrical power is symbolized by? - ANSWERSp or w
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