you should pre test the board with a 0.8mm piece of wire

you should pre test the board with a 0.3mm piece of wire

it doesn't matter if you place your jumper wires across the components

you should avoid placing wires across the components as you will not be able to get your test equipment probes onto the leads of the components

none of the other two answers

Determining if there is a complete path for current to flow

Determining the voltage value

Determining the current value

0.3 to 0.8 mm

0.1 to 0.8 mm

0.3 to 0.7 mm

not affect the bread board

cause unrepairable damage the board and it should therefore be discarded

damage the board just for a short while as the springs will bounce back

a board that is used to cut bread on

a versatile development platform on which reasonably complex circuits can be constructed