Four 7-Ω Resistors Are Connected in Series

question 9

Multiple Choice

Four 7-Ω resistors are connected in series.What is their equivalent resistance?

• A) 28 Ω
• B) 7 Ω
• C) 21 Ω
• D) 1.8 Ω
• E) ​11 Ω

---

Definitions:

Suckling

The act of an infant or young animal feeding on its mother's milk.

Calories

A unit of energy used to quantify the amount of energy provided by foods and beverages.

Placenta

An organ that develops in the uterus during pregnancy, providing oxygen and nutrients to and removing waste from the fetus via the umbilical cord.

Third Stage

In various contexts, refers to a specific phase in a multi-stage process; its exact meaning can depend on the process being described.