4 1-25.   What range of an ammeter should you use for an initial measurement? 1.    The lowest range 2.    The highest range 3.    The mid-scale range 1-26.   What portion of the ammeter scale should be used to take a final reading? 1.    The upper half 2.    The lower half 3.    The mid-scale portion 4.    Anywhere on the meter face 1-27.   When, if ever, can you use a dc ammeter to measure ac values? 1.    When the ac is high frequency 2.    For low values 3.    Always 4.    Never 1-28.   Which of the following safety precautions should be observed prior to connecting an ammeter into a circuit? 1.    Switch to the highest range 2.    Observe proper dc polarity 3.    Deenergize the circuit 4.    All of the above 1-29.   What electrical property is measured by a voltmeter? 1.    Power 2.    Current 3.    Voltage 4.    Resistance 1-30.   A voltmeter should be connected in an electrical circuit in what manner? 1.    In series with the load 2.    In parallel with the load 3.    In accordance with Lenz's Law 4.    In series-parallel with the load 1-31.   A voltmeter has an effect on the circuit being measured; what is this effect called? 1.    Loading 2.    Damping 3.    Rectification 4.    Eddy-current drag 1-32.   To keep the effect of a voltmeter on a circuit to a minimum, the internal resistance of the voltmeter must have which of the following relationships to the circuit load? 1.    Equal to 2.    Lower than 3.    Higher than 4.    In proportion to 1-33.   Which of the following types of meters can be made from a current sensitive meter movement? 1.    Ammeter 2.    Ohmmeter 3.    Voltmeter 4.    Each of the above 1-34.   A voltmeter has a high sensitivity when it has which of the following characteristics? 1.    Low deflection indication 2.    High deflection indication 3.    Low ratio of internal resistance to full- scale deflection indication 4.    High ratio of internal resistance to full-scale deflection indication 1-35.   Which of the following configurations extends the range of a voltmeter? 1.    A resistor in series with the meter movement 2.    A resistor in parallel with the meter movement 3.    A capacitor in series with the meter movement 4.    A capacitor in parallel with the meter movement