Question

When testing for current in a cable with eleven color-coded wires, the author used

required for every possible pairing of two wires?
meter to test two wires at a time.
The number of tests required is

Answer 1

Answer:

The number of test required is: 55

Step-by-step explanation:

Using combination formula:

n!/x!(n-x)!

= 11!/2!(9)!

= 55