80. 以下有關Arduino的相關說明何者正確？ (A)Arduino輸出的電流很小，如果需要接馬達動起來的話，就必須透過NPN電晶體去啟動大電流(B)下圖中電阻器之色碼採取「橙黑棕金」代表是30K
Question module 1 The picture below shows the physical circuit of the electronic extinguisher made o
【題組】50. When testing the quality of a small DC light bulb, if you turn the range selector of thedigi
【題組】51. Which of the following capacitors has polarity？(A) Ceramic capacitors(B) Plastic film capaci
【題組】52. The following options are the top view of four four-wheeled vehicles. The tires of eachvehic
【題組】53. When the vehicle is climbing, in order to increase the torque, the gear will be used toreduc
【題組】54. The rotation speed of the drill bit with larger diameter should be(A) higher (B) lower (C) i
【題組】56. Following the above question, what is the voltage value in this circuit？(A) 345KV (B) 66KV (
【題組】57. How many volts does the voltage drop from the primary substation to the secondarysubstation？
【題組】58. What is the voltage of the wire connected to the secondary substation on the transformeron t
Question module 4 The following figure is the appearance of the desktop jigsaw machine, please answe
【題組】60. What device on the jigsaw can be used to control the tension of the saw blade？(A) Allen key(
【題組】61. Where should the hole be drilled before sawing the inner closed curve？(A) Turning position o
【題組】62. Drilling a hole with a diameter of 8mm on a 2mm thick acrylic sheet may cause theacrylic she