81. A digital linear displacement transducer normally uses
82. The measurement of the speed of a rotating shaft by means of an electric tachometer is a:
83. The null balance potentiometric measurement of voltage technique is not capable of measuring
84. What is the major cause of creeping in an energy-meter?
85. Q factor is measured using
86. Consider two metallic wires W1 and W2. They are made up of same material and each has circular cross-section. The diameter of W2 is twice that of W1 and the length of W2 is four times that of W1. Which one of the following statement is TRUE?
87. The following is not essential for the working of an indicating instrument
88. The advantage of Hay's bridge over Maxwell's inductance-capacitance bridge is
89. A circle is found on the screen of CRO when 2 time varying signals of same frequency and same magnitude are applied to X and Y plates of the CRO. What is the relative phase difference?
90. Which one of the following effect is used in measuring power?
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