Abeka 9th grade Science (Matter and Energy) Test 9 (quarter exam)
|| All Answers are Flawless.
Leyden jar correct answers What early device was developed to store electric charge ?
load correct answers What is the general term for a device that transforms the energy of an
electric current into another useful form of energy ?
ohm correct answers What is the SI unit of resistance ?
battery correct answers What device consists of one or more electrochemical cells connected in
series to produce a single source of current ?
loudspeaker correct answers What device converts pulses of electricity into sound waves ?
telegraph correct answers What communication device uses electromagnets to reproduce
messages by means of audible clicks ?
superconductor correct answers What is a material that allows current to flow through it with no
resistance ?
Otto von Guericke correct answers Who built the first electrostatic generator
conduction correct answers What is the transfer of an electric charge by direct contact between
objects ?
The magnets have unlike poles near each other correct answers What do the lines of flux
demonstrate in the image below ?
, photovoltaic cell correct answers What device converts absorbed sunlight directly into electricity
?
magnetohydrodynamic generator correct answers What type of generator works by passing a
conducting fluid through a magnetic field ?
uniform field correct answers What is an electric field with even strength throughout ?
magnetizing by contact correct answers What is the method of magnetism in which an object is
permanently magnetized by stroking a magnet against the object ?
light - emitting diode correct answers What is a semiconductor device that produces light when a
direct current is applied ?
agonic line correct answers What is the line connecting all points where a compass needle points
true north ?
magnetic equator correct answers What is the imaginary line that circles Earth halfway between
the two magnetic poles ?
25 times the original force correct answers What is the final attraction force between two charged
objects when the distance is reduced to % of the original distance ?
personal computer correct answers What is a small , relatively inexpensive computer designed
for use by one user at a time ?
supercomputer correct answers What is a large , extremely powerful computer designed for
rapidly performing complex calculations ?
|| All Answers are Flawless.
Leyden jar correct answers What early device was developed to store electric charge ?
load correct answers What is the general term for a device that transforms the energy of an
electric current into another useful form of energy ?
ohm correct answers What is the SI unit of resistance ?
battery correct answers What device consists of one or more electrochemical cells connected in
series to produce a single source of current ?
loudspeaker correct answers What device converts pulses of electricity into sound waves ?
telegraph correct answers What communication device uses electromagnets to reproduce
messages by means of audible clicks ?
superconductor correct answers What is a material that allows current to flow through it with no
resistance ?
Otto von Guericke correct answers Who built the first electrostatic generator
conduction correct answers What is the transfer of an electric charge by direct contact between
objects ?
The magnets have unlike poles near each other correct answers What do the lines of flux
demonstrate in the image below ?
, photovoltaic cell correct answers What device converts absorbed sunlight directly into electricity
?
magnetohydrodynamic generator correct answers What type of generator works by passing a
conducting fluid through a magnetic field ?
uniform field correct answers What is an electric field with even strength throughout ?
magnetizing by contact correct answers What is the method of magnetism in which an object is
permanently magnetized by stroking a magnet against the object ?
light - emitting diode correct answers What is a semiconductor device that produces light when a
direct current is applied ?
agonic line correct answers What is the line connecting all points where a compass needle points
true north ?
magnetic equator correct answers What is the imaginary line that circles Earth halfway between
the two magnetic poles ?
25 times the original force correct answers What is the final attraction force between two charged
objects when the distance is reduced to % of the original distance ?
personal computer correct answers What is a small , relatively inexpensive computer designed
for use by one user at a time ?
supercomputer correct answers What is a large , extremely powerful computer designed for
rapidly performing complex calculations ?
