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Organic Light Emitting Diodes (OLEDs) are used to create digital displays in many devices. What are the advantages of OLED displays over Liquid Crystals displays? 1. OLED displays can be fabricated on flexible plastic substrates. 2. Roll-up displays embedded in clothing can be made using OLEDs. 3. Transparent displays are possible using OLEDs. Select the correct answer using the code given below:
With reference to the mobile phones, how do AMOLED (active-matrix organic light-emitting diode) displays differ from LCD (liquid crystal display) displays? 1. The colours are very sharp and vibrant with the AMOLED displays as compared to the LCD display.  2. In battery consumption, AMOLED displays efficiency is far ahead compared to the LCD display. 3. Most AMOLED display phones always cost more than LCD phones. Which of the above statements is/are correct?
In the following question, three statements and two conclusions are given. Read the conclusions and decide which of the conclusions logically follows from the statements. Statements: Some screens are displays. All monitors are displays. All monitors are boxes. Conclusion: 1. Some displays are boxes. 2. Some monitors are screens.
A capacitive transducer works on the principle of ________
Statement (I): Capacitive proximity sensor can only be used for the detection of metal objects and is best with ferrous metals. Statement (II): One form of capacitive proximity sensor consists of a single capacitor plate probe with the other plate being formed by the object, which has to be metallic and earthed.
Capacitive pressure transducer uses distance of separation for sensing the capacitance.
Capacitive transducer is used for?
Which of the following is correct for the capacitive transducer?
Thermometers are not possible using a capacitive transducer.
Which of the following are true? a. The most widely used inductive transducer is the Linear Variable Differential transducer. b. LVDT consists of single primary and two secondary windings in series opposition. c. Linearity of 0.05 is available in commercial LVDT. d. LVDT is sensitive to stray magnetic fields.