Weegy: D. a multimeter.
User: Look at the four schematic symbols shown in Figure A-1. Each of the symbols is labeled with a number. Which of the following statements about these symbols is correct?
A. Symbol 1 represents a diode, symbol 2 represents a resistor, symbol 3 represents an LED, and symbol 4 represents a transistor.
B. Symbol 1 represents a diode, symbol 2 represents an LED, symbol 3 represents a transistor, and symbol 4 ... (More)