1 answer

4 Electricity When testing for current in a cable with five color-coded wires, the au 4....

Question:




4 Electricity When testing for current in a cable with five color-coded wires, the au 4. Electricity When testing for current in a cable with five color-coded wires, the author used me. How many different tests are required for every possible cable wi ter to test two wires at a ti met pairing of two wires?
4 Electricity When testing for current in a cable with five color-coded wires, the au 4. Electricity When testing for current in a cable with five color-coded wires, the author used me. How many different tests are required for every possible cable wi ter to test two wires at a ti met pairing of two wires?

Answers

We can apply Combination technique here,

All combinations of selecting 2 wires out of 5= 5C2

Combinations 5!/2!(5- 2)!10

Hence 10 tests in total

.

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