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Worksheetsunit 2 lesson2 second term prep3
Total questions: 13
Worksheet time: 7mins
Direct current can be produced from ..........
electrochemical cells.
electric generators.
electric power stations.
electric motors.
Direct current can be produced from ..........
electrochemical cells.
electric generators.
electric power stations.
electric motors.
The instrument which is used to convert chemical energy into electric energy is ...........
electric cell
dynamo
motor
electromagnet
In dynamo, .......... energy is converted into electric energy.
magnetic
kinetic
chemical
light
To generate an alternating electric current, we use the ...................
dry cell
dynamo
ohmmeter
voltmeter.
...................................is Used to produce direct electric current.
Dynamo
Rheostat
Ammeter
Dry cell
The electric current that is produced from the dynamo is .........
an alternating current that cannot be converted into direct current.
a direct current that can be converted into alternating current.
an alternating current that can be converted into direct current.
.a direct current that cannot be converted into alternating current.
All of the following are from the properties of direct current, except .............
is unidirectional
has constant intensity.
can be transferred to short distances
can be converted to alternating current.
....................... is used in electroplating process.
Electric generator
Electric cell
Electric cell
. Electric motor
Electromagnet
One of the properties of the direct current is .....................
change value
change direction
constant value and direction
change value and direction.
The Alternating current is used in ................
a. lighting houses and streets.
. b. operating appliances.
c. (a) and (b).
d. electroplating processes.
In the electric cell, the ................... energy is converted into electric energy.
Kinetic
magnetic
chemical
mechanical
From the examples of electrochemical cells is .........................
ohmmeter
dynamo
dry cell.
rheostat.
