Solve three resistance networks

Exercise and reference answers

Questions

1. Answer

   12

   Question

   Resistors of 2, 4 and 6 ohm sit in series. Equivalent resistance?

2. Answer

   3

   Question

   Three identical 9 ohm resistors sit in parallel. Equivalent resistance?

3. Answer

   10

   Question

   A balanced bridge has P = 4 ohm, Q = 8 ohm, R = 5 ohm. Find S.

Instructions

Key in each answer as a resistance in ohms using the number pad.

Explanation