A.1. Which of the following is an electrical test instrument that can measure more than one electrical property? A. Megohmmeter B. Digital multimeter C. Voltmeter D. Ammeter A.2. Which of the following is used to test for insulation failure due to corrosive substances, dirt, or aging? A. Analog multimeter B. Clamp-on ammeter C. Megohmmeter D. Ohmmeter A.3. Which of the following features of a wiring diagram indicates the origin and the termination of conductors by using letter and number combinations? A. A control element

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Type of Magnetic Material

Every material has a unique composition that defines its magnetic behavior. Some materials get attracted towards a magnet and are called magnetic materials. Based on the magnetic properties held by each material, they are classified into different types.