practice problem 4. Given the circuit belowâ¦. 1  Calculate the equivalent resistance of the circuit. 2  Calculate the current through the battery. 3  Graph voltage as a function of location on the circuit assuming that Va = 0 V at the negative terminal of the battery. 4  Graph current as a function of location on the circuit.
Definitions for hair-brush. This page provides all possible meanings and translations of the word hair-brush. Wiktionary(0.00 / 0 votes)Rate this definition: hair-brush(Noun) A brush used in hair care for brushing, tidying, and detangling hair.
1. (Biology) any short stiff hair of an animal or plant. 2. something resembling these hairs: toothbrush bristle. vb. 3. (when: intr, often foll by up) to stand up or cause to stand up like bristles: the angry cat's fur bristled. 4. (sometimes foll by: up) to show anger, indignation, etc: she bristled at the suggestion.