# 1選擇題Which tool is commonly used to test electronic components like resistors and diodes?PliersMultimeter testerScrewdriverSoldering iron
# 2選擇題Why is it important to test electronic components before using them?To waste timeTo make components hotTo ensure they are working properlyTo change their color
# 3選擇題What is the very first step you should take before testing any electronic component?Heat the componentClean the work tableTurn off the power and disconnect the componentShake the component
# 4選擇題What is the main function of a multimeter when testing electronic components?It connects wires togetherIt measures electrical values like voltage, current, and resistanceIt stores electrical energyIt controls the flow of current