Exercise EE1-04.01 – Determining resistance values

Prof. Dr. Thorsten Jungmann (last updated 2025-10-27)

Relates to EE1-04 Resistance

Task

The photos show the inside of a battery tester.
What are the values of the four resistors shown?

Solution

bn-gn-rd: $1.5\mathrm{k\Omega }$
bn-bk-og: $10\mathrm{k\Omega }$
bn-bk-bk: $10\Omega$
rd-rd-bn: $220\Omega$

all with gold in the fourth band: tolerance $\pm 5\%$

▶️ Full worked solution