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WorksheetsTerm 4 Week 5 Homework Task
Total questions: 25
Worksheet time: 25mins
Which of the following is the best example of an electrical conductor?
tire
steel
plastic
none of the above
Which of the following statements is correct about conductor and insulator?
the electrons in conductor do not move around
the electrons in insulator do not move around
the electric current can pass through the insulator
the electric current can pass through both insulator and conductor
Electric circuit is a path for transmitting electric current
true
false
What is the main difference between parallel and series circuits?
in series circuit, charges flow one path; charges in parallel circuit flow in multiple paths
in series circuit, charges flow multiple paths; charges in parallel circuit flow in one path
in parallel circuit, several lamps work separately; in series circuit, several lamps work independently
in parallel circuit, if one lamp breaks then the other lamps will also off; in series circuit, if one lamp breaks then the other lamps still works
What kind of circuit is this?
series
parallel
If a substance has a higher number of electrons than protons on its surface, what type of charge does it have?
neutral charged
positively charged
negatively charged
no charges at all
A ______ opens and closes a circuit.
cell
conductor
wire
switch
What is this symbol for?
light bulb
wire
cell
battery
When you remove a bulb from a three bulb circuit, and the other two bulbs go off, then the bulbs must have been connected in parallel.
true
false
Electric current is the flow of _________.
protons
electrons
neutrons
none of them
Electric current is measured in....
watts
joules
newtons
amperes
Carbon is The only non-metal material that can conduct electricity.
true
false
What kind of circuit is this?
series
parallel
Are the currents at A1 and A2 same?
Yes, they are same
No, they are different
The tiny coiled metal wire present inside the bulb is called ___
Element
Conductor
Filament
None of these
A combination of two or more electric cells is called _____
Electric circuit
Battery
Terminals
None of these
Why do electricians wear gloves made of rubber?
It is soft.
It is waterproof.
It is an insulator.
It is inexpensive.
Which of the following is the symbol for resistor?
Which of the followings are the advantages of series circuit?
All electrical appliance can be controlled with one switch
Increasing the number of bulbs will not affect the brightness of the bulb
When one bulb is removed, the others are still light up
Increase in voltage supplies more electric current
Which of the following is the correct diagram for the circuit shown in the picture?
What is the symbol for current?
V
R
I
C
_________________ is used to measure the potential difference between two points in a circuit.
Voltmeter
Ammeter
Galvanometer
Bulb
___________________ should be connected in series with other electrical components in a circuit.
Voltmeter
Ammeter
Barometer
Thermometer
Which of the following are conductors? (Select all that apply.)
Graphite
Wood
Lead
Iron
Glass
