A resistor has the color code: black, red, black and silver. What does this mean?

2)A resistor has the marking 33RM. What does this mean?

3)A catch is required for a cupboard door. The catch is to hold the door closed until such time as the handle is pulled to open the cupboard. Suggest a catch that could be used.

4)Metal cups are often used by campers who have to carry their camping gear in a rucksack. What are the functions required of the material which makes a metal to a reasonable choice for such a cup?

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The detailed answer for the above question is provided below 1 Black indicates 0 red 2Thus the resis... View the full answer