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 Measurement and Measuring Instruments 20 Flashcards |
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What type of bridge is used to measure unknown inductance by comparison with a variable standard self-inductance? |
Card: 1 / 20 |
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Maxwell’s Inductance Bridge |
Card: 2 / 20 |
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Fill in the blank: The ______ is used for measuring the capacitance of a capacitor, dissipation factor, and properties of insulating materials. |
Card: 3 / 20 |
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Schering Bridge |
Card: 4 / 20 |
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True or False: The Anderson's Bridge is suitable for high Q-coils (Q > 10). |
Card: 5 / 20 |
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False. The Anderson's Bridge is suitable for low Q-coils (Q < /> |
Card: 6 / 20 |
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Riddle: I can measure the unknown value of capacitance, but I need a standard capacitor to do my job. What am I? |
Card: 7 / 20 |
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De Sauty’s Bridge |
Card: 8 / 20 |
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Which detector in AC bridges is most sensitive for frequencies from 250 Hz to 4 KHz? |
Card: 9 / 20 |
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Headphones |
Card: 10 / 20 |
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Fill in the blank: For high-frequency measurements in AC bridges, an ______ is used as the source of excitation. |
Card: 11 / 20 |
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Electronic oscillator |
Card: 12 / 20 |
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True or False: The PMMC instrument acts as a detector in AC bridges. |
Card: 13 / 20 |
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False. The PMMC instrument acts as a detector in DC bridges. |
Card: 14 / 20 |
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What is the primary advantage of the Maxwell’s Inductance-Capacitance Bridge? |
Card: 15 / 20 |
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Balance equations are independent of frequency. |
Card: 16 / 20 |
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Fill in the blank: The method used for measuring medium resistance is the ______ method. |
Card: 17 / 20 |
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Wheatstone Bridge |
Card: 18 / 20 |
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What is the primary purpose of instrument transformers in electrical measurements? |
Card: 19 / 20 |
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To extend the range of AC measuring instruments and isolate them from high voltage. |
Card: 20 / 20 |
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