Measurement and Instrumentation What is the approximate input impedance of a CRO? 0 100 MΩ 10 MΩ 1 MΩ 0 100 MΩ 10 MΩ 1 MΩ ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A bridge circuit is shown in the figure below. Which one of the sentence given below is most suitable for balancing the bridge? First adjust R4 and then adjust R2. First adjust R4 and then adjust R1. First adjust R2 and then adjust R3. First adjust R2 and then adjust R4. First adjust R4 and then adjust R2. First adjust R4 and then adjust R1. First adjust R2 and then adjust R3. First adjust R2 and then adjust R4. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The three resistors R1, R2 and R3 have the following ratings: R1 = 25Ω ± 4%, R2 = 65 Ω ± 4%; R3 =45 Ω ± 4%. If the resistance are connected in series, then limiting error produced in equivalent resistance is 4% 1% 2% 3% 4% 1% 2% 3% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A PMMC instrument can be used as flux meter By making control springs of large moment of inertia By using a low resistance shunt By eliminating the control springs By using a high series resistance By making control springs of large moment of inertia By using a low resistance shunt By eliminating the control springs By using a high series resistance ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Attraction and repulsion type instruments are the two different types of which instrument ? Moving iron type. Dynamo-meter type. Multipliers. Induction type. Moving iron type. Dynamo-meter type. Multipliers. Induction type. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A metal strain gauge has a gauge factor of two. Its nominal resistance is 120 ohms. If it undergoes a strain of 10-5, the value of change of resistance in response to the strain is 0.0012 Ohm. 0.0024 Ohm. 120 Ohm. 240 Ohm. 0.0012 Ohm. 0.0024 Ohm. 120 Ohm. 240 Ohm. ANSWER DOWNLOAD EXAMIANS APP
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