WorksheetsEngineered Products - Electricity & Electronics
Total questions: 25
Worksheet time: 25mins
What does this symbol represent?
NC Switch
NO Switch
Resistor
Transistor
Battery
Resistivity of a wire depends on
length.
material
cross section area.
all of the above
Which one of the following graphs correctly represents Ohm’s law, where V is the voltage and I is the current?
Which of the formula represents total resistance in parallel?
1/Rtotal = 1/R1 + 1/R2 + ...
Rtotal = R1 + R2 + ...
1/Rtotal = 1/R1 = 1/R2 = ...
Rtotal = R1 = R2 = ...
This is the circuit symbol of a
resistor
battery
fuse
switch
an earth wire
If a bulb uses 10A, which fuse would be best?
10A
13A
8A
5A
An oscilloscope shows the current flow above what type of current is it showing?
DC
AC
Rectified Current
Non rectified current
DC
AC
rectified current
non rectified current
The above half wave form is created by an AC going into which circuit?
single diode
Bridge rectifier
Transformer
Voltage regulator
The above half wave form is created by an AC going into which circuit?
single diode
Bridge rectifier
Transformer
Voltage regulator
What electrical component is used to smooth half wave current signals?
Resistor
Diode
Capacitor
Voltage regulator
The split-ring commutator reverses the current in the coil as it rotates.How many times is the current reversed if the coil is rotated once?
What is the main part shown in the picture?
spring
carbon brush
commutator
copper lug
