Measurement and Instrumentation The internal resistance of a milli-ammeter must be very low for minimum effect on the current in the circuit. high accuracy. high sensitivity. high precision. minimum effect on the current in the circuit. high accuracy. high sensitivity. high precision. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To the y input of a CRO a signal defined by 10sin100t is applied. To the x input the signal 10cos100t is fed. The gain for both x-channel and y-channel is the same. The screen shows a circle. a straight line. sinisoidal. an ellipse. a circle. a straight line. sinisoidal. an ellipse. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following is a variable displacement transducer? None of these potentiometer tachometer synchros None of these potentiometer tachometer synchros ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The given figure shows wein bridge connection for frequency measurement. C and R are variables and gang together. For balanced condition the expression for frequency is f = 1/2πCR when R1 = 3R2. R1 = 2R2. R1 = R2/2. R1 = R2. R1 = 3R2. R1 = 2R2. R1 = R2/2. R1 = R2. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which amplifier in used in an electronic amplifier? Butter amplifer. Differential amplifier. Wideband amplifier. Power amplifier. Butter amplifer. Differential amplifier. Wideband amplifier. Power amplifier. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The inductance of a certain moving iron ammeter is expressed as L = 2+5θ-θ2 µH. The control spring torque is 2 × 10-6 Nm/radian. Find the deflection in radians for a current of 2A. 5 2 1 4 5 2 1 4 ANSWER DOWNLOAD EXAMIANS APP
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