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.
Boar bristle brush: Tightly spaced boar-hair bristles are designed to increase tension while brushing, to smooth the hair. The effects of brushing will be different depending on the hair's texture and whether the hair is wet or dry.