Two resistors of 3 Ω and 6 Ω are connected in parallel. The equivalent resistance is
A2 ΩCORRECT
B4.5 Ω
C9 Ω
D18 Ω
JAMB UTMEPhysics
AI
Toaster Teacher
Why the answer is A, and why the others tempt you.
1/R = 1/3 + 1/6 = 2/6 + 1/6 = 3/6 = 1/2. So R = 2 Ω.
Want this in Pidgin, Yoruba, Igbo or Hausa? Sign up free →
Practice more Physics questions
JAMB UTME Physics has thousands more questions like this — with Worked answers on every one.