WorksheetsBEEE Pre-test Assessment
Total questions: 20
Worksheet time: 10mins
Which one is a series circuit?
Which one is a parallel circuit?
What is the unit used for voltage?
Ampere
Ohm
Volt
Meter
Voltage can be measured using ............
ammeter
light bulb
resistor
voltmeter
What are insulators?
materials that let electrical current to flow freely through it
materials that do not let electrical current to flow freely through it
materials that cannot be heated
materials that take shorter time to be heated
What are some examples of insulators?
rubber
wood
iron
plastic
In a _____ circuit, if one light bulb goes out, all light bulbs will go out.
parallel
series
partial
closed
The rate of flow of electrons in a conductor is referred to as...
series circuit
battery voltage
electric current
conduction electrons
Select all the representations of Ohm's Law.
V = IR
I = V/R
Current = Battery Voltage
/Resistance
I = R/V
If a transformer reduces voltage, it is called a....................... transformer.
step left
step right
step up
step down
The transformer is a device used to .......... the value of a voltage.
steady
resist
change
anchor
Why transformers work with A.C. current but not D.C.
A.C current produces changing magnetic field.
D.C current produces changing magnetic field.
D.C current is weak
A.C current is powerful
What does the thumb indicate in flemings left hand rule?
Force
Motion
Current
Magnetic field direction
Which of these forces works only by combining electric and magnetic forces?
Magnetic
Electric
Electromagnetism
What happens if the diode is in forward-biased mode?
Current can flow
Current cannot flow
Voltage can flow
Voltage cannot flow
Does the diode has any terminal?
Yes
No
Materials which can conduct electricity better than insulator,but not as well as conductors. This is the definition of
diode
semiconductor
conductor
insulator
superconductor
If you apply sufficient force to a rigid object, it will
break
change shape temporarily
change shape permanently
If a ball is rolling on the grass, it will slow down and stop because of
water resistance
speed
friction
