Name 3 electric things that uses mains-powered.
TV, washing machine, laptop
A cell has a negative and ..... terminal
positive
What electronic component symbol is this?
BULB
Name 3 electric things that uses battery-powered.
Remote, headphones, toys
Which lights will be light up if switch 3 closed?
Yellow and White bulbs
How many of the bulbs will remain lit if the wire is cut at the point shown by the arrow?
0
What is the energy source?
battery
What does this symbol represent?
OPEN SWITCH
What is it?
Bulb holder
Which circuit shown will produce light when the switch is close?
B
Odd One Out
Number 3
Odd One Out. Why??
Number 1
Will this circuit light the bulbs?
No
What electronic component symbol is this?
BATTERY
Which of these changes will cause the bulb to light up?
C. Turn on battery