Measurement and Instrumentation For the AC bridge circuit shown in figure at balance the value of Rd will be (Ra/Rc).Rb. (Rc/Ra).Rb. (Rc/Rb).Ra. (Rb/Rc).Ra. (Ra/Rc).Rb. (Rc/Ra).Rb. (Rc/Rb).Ra. (Rb/Rc).Ra. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The two pressure coils of a single phase power factor meter have The same dimensions and the same number of turns The same dimension but different number of turns The same number of turns but different dimensions None of these The same dimensions and the same number of turns The same dimension but different number of turns The same number of turns but different dimensions None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following is not correct? An ammeter should have a very low resitance. An electronic voltmeter draw appreciable current from the source. Voltmeter should have very high resistance. A shunt should have a very low resistance. An ammeter should have a very low resitance. An electronic voltmeter draw appreciable current from the source. Voltmeter should have very high resistance. A shunt should have a very low resistance. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the name of physical quantities which are independent of each other? Derived quantity Fundamental quantity None of these Numerical quantity Derived quantity Fundamental quantity None of these Numerical quantity ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When testing a coil having a resistance of 10 ohms, resonance occurred when the oscillator frequency was 10 MHz and rotating capacitor was set at 500/2π pF. The effective value of the Q of the coil is 31.4. 54.2. 20. 25.4. 31.4. 54.2. 20. 25.4. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC potentiometer is designed to measure up to about 2V with a slide wire of 800 mm. A standard cell of emf 1.18 V obtains balances at 600 mm. A test cell is seen to obtain balance at 680 mm. The emf of test cell is 1 V. 1.34 V. 1.5 V. 1.7 V. 1 V. 1.34 V. 1.5 V. 1.7 V. ANSWER DOWNLOAD EXAMIANS APP
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