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This is a(n)
Variable capacitor
Variable resistor
variable inductor
semicinductor
These are:
Resistors
Inductors
Semiconductors
capacitors
The purpose of flux in soldering is to
to raise the melting point of solder to from a stronger joint
to lower the melting point of the solder
to absorb lead or silver from the solder
to prevent the copper tracks coming detached from the printed circuit board.
Which of these metals is it most difficult to solder to?
Silver
Gold
Copper
Aluminium
A resistor is colour coded with the three colour bands - orange, orange, yellow. What is its value k Ohms?
