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SEMESTER/SESSION COURSE TEST II/2021/2022 PROGRAMME : BEJ SEMESTER/SESSION INSTRUMENTATION AND MEASUREMENT COURSE CODE COURSE I BEJ10702 Capacitance Figure 02 Fixed Plate Moving Plate Figure 03 TEST 11/2021/2022 : INSTRUMENTATION AND MEASUREMENT 100 Ω Vs+ D R1 PROGRAMME COURSE CODE BEJ : BEJ 10702 A 1100 R2 1000 Ω G B R3 200 Ω R4 2020 Ω Figure 04 A Go Q1 Explain the following terms: (a) Sensor (b) Transducer (c) Instrument Q2 Based on Figure Q2, Q3 Q4 Based on Figure Q4, if Vs is 12 V with negligible internal resistance and galvanometer has current sensitivity of 10 mm/μA and an internal resistance of 100 Ω, (1.5 marks) (a) Calculate the Thevenin voltage, ETH. (1.5 marks) (1.5 marks) (b) Calculate the Thevenin resistance, RTH. (1.5 marks) (2 marks) (c) Determine the galvanometer deflection. (2 marks) (a) Provide the type of transducer, the physical stimulus it measures with SI unit. (1 marks) (b) Explain the construction of the transducer with a proper diagram. (3 marks) (c) Produce the equation generated from the operating principle and its representation. (1 marks) A capacitive displacement transducer is designed to determine the rotary position from 0° 180° as shown in Figure Q3. The moving plate whose radius is 40mm is sandwiched between two fixed plates, spacing at 1mm. The dielectric constant of air is k = 1.The capacitive transducer is formulated as: where; KA€。 farads (a) k = dielectric constant A the area of the plate, in square meters 8.854 x 10-12 in farads per meter € d = the plate spacing in meters Produce an equation of the change of the capacitance (F) when the moving plate is rotated from 0°-180°. (Hint: The circle area.) (b) Calculate the capacitance if the rotational angle is at 90°. (3 marks) Activa (2 marks)

SEMESTER/SESSION COURSE TEST II/2021/2022 PROGRAMME : BEJ SEMESTER/SESSION INSTRUMENTATION AND MEASUREMENT COURSE CODE COURSE I BEJ10702 Capacitance Figure 02 Fixed Plate Moving Plate Figure 03 TEST 11/2021/2022 : INSTRUMENTATION AND MEASUREMENT 100 Ω Vs+ D R1 PROGRAMME COURSE CODE BEJ : BEJ 10702 A 1100 R2 1000 Ω G B R3 200 Ω R4 2020 Ω Figure 04 A Go Q1 Explain the following terms: (a) Sensor (b) Transducer (c) Instrument Q2 Based on Figure Q2, Q3 Q4 Based on Figure Q4, if Vs is 12 V with negligible internal resistance and galvanometer has current sensitivity of 10 mm/μA and an internal resistance of 100 Ω, (1.5 marks) (a) Calculate the Thevenin voltage, ETH. (1.5 marks) (1.5 marks) (b) Calculate the Thevenin resistance, RTH. (1.5 marks) (2 marks) (c) Determine the galvanometer deflection. (2 marks) (a) Provide the type of transducer, the physical stimulus it measures with SI unit. (1 marks) (b) Explain the construction of the transducer with a proper diagram. (3 marks) (c) Produce the equation generated from the operating principle and its representation. (1 marks) A capacitive displacement transducer is designed to determine the rotary position from 0° 180° as shown in Figure Q3. The moving plate whose radius is 40mm is sandwiched between two fixed plates, spacing at 1mm. The dielectric constant of air is k = 1.The capacitive transducer is formulated as: where; KA€。 farads (a) k = dielectric constant A the area of the plate, in square meters 8.854 x 10-12 in farads per meter € d = the plate spacing in meters Produce an equation of the change of the capacitance (F) when the moving plate is rotated from 0°-180°. (Hint: The circle area.) (b) Calculate the capacitance if the rotational angle is at 90°. (3 marks) Activa (2 marks)

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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SEMESTER/SESSION COURSE TEST II/2021/2022 PROGRAMME : BEJ SEMESTER/SESSION INSTRUMENTATION AND MEASUREMENT COURSE CODE COURSE I BEJ10702 Capacitance Figure 02 Fixed Plate Moving Plate Figure 03 TEST 11/2021/2022 : INSTRUMENTATION AND MEASUREMENT 100 Ω Vs+ D R1 PROGRAMME COURSE CODE BEJ : BEJ 10702 A 1100 R2 1000 Ω G B R3 200 Ω R4 2020 Ω Figure 04 A Go
Transcribed Image Text:SEMESTER/SESSION COURSE TEST II/2021/2022 PROGRAMME : BEJ SEMESTER/SESSION INSTRUMENTATION AND MEASUREMENT COURSE CODE COURSE I BEJ10702 Capacitance Figure 02 Fixed Plate Moving Plate Figure 03 TEST 11/2021/2022 : INSTRUMENTATION AND MEASUREMENT 100 Ω Vs+ D R1 PROGRAMME COURSE CODE BEJ : BEJ 10702 A 1100 R2 1000 Ω G B R3 200 Ω R4 2020 Ω Figure 04 A Go
Q1 Explain the following terms: (a) Sensor (b) Transducer (c) Instrument Q2 Based on Figure Q2, Q3 Q4 Based on Figure Q4, if Vs is 12 V with negligible internal resistance and galvanometer has current sensitivity of 10 mm/μA and an internal resistance of 100 Ω, (1.5 marks) (a) Calculate the Thevenin voltage, ETH. (1.5 marks) (1.5 marks) (b) Calculate the Thevenin resistance, RTH. (1.5 marks) (2 marks) (c) Determine the galvanometer deflection. (2 marks) (a) Provide the type of transducer, the physical stimulus it measures with SI unit. (1 marks) (b) Explain the construction of the transducer with a proper diagram. (3 marks) (c) Produce the equation generated from the operating principle and its representation. (1 marks) A capacitive displacement transducer is designed to determine the rotary position from 0° 180° as shown in Figure Q3. The moving plate whose radius is 40mm is sandwiched between two fixed plates, spacing at 1mm. The dielectric constant of air is k = 1.The capacitive transducer is formulated as: where; KA€。 farads (a) k = dielectric constant A the area of the plate, in square meters 8.854 x 10-12 in farads per meter € d = the plate spacing in meters Produce an equation of the change of the capacitance (F) when the moving plate is rotated from 0°-180°. (Hint: The circle area.) (b) Calculate the capacitance if the rotational angle is at 90°. (3 marks) Activa (2 marks)
Transcribed Image Text:Q1 Explain the following terms: (a) Sensor (b) Transducer (c) Instrument Q2 Based on Figure Q2, Q3 Q4 Based on Figure Q4, if Vs is 12 V with negligible internal resistance and galvanometer has current sensitivity of 10 mm/μA and an internal resistance of 100 Ω, (1.5 marks) (a) Calculate the Thevenin voltage, ETH. (1.5 marks) (1.5 marks) (b) Calculate the Thevenin resistance, RTH. (1.5 marks) (2 marks) (c) Determine the galvanometer deflection. (2 marks) (a) Provide the type of transducer, the physical stimulus it measures with SI unit. (1 marks) (b) Explain the construction of the transducer with a proper diagram. (3 marks) (c) Produce the equation generated from the operating principle and its representation. (1 marks) A capacitive displacement transducer is designed to determine the rotary position from 0° 180° as shown in Figure Q3. The moving plate whose radius is 40mm is sandwiched between two fixed plates, spacing at 1mm. The dielectric constant of air is k = 1.The capacitive transducer is formulated as: where; KA€。 farads (a) k = dielectric constant A the area of the plate, in square meters 8.854 x 10-12 in farads per meter € d = the plate spacing in meters Produce an equation of the change of the capacitance (F) when the moving plate is rotated from 0°-180°. (Hint: The circle area.) (b) Calculate the capacitance if the rotational angle is at 90°. (3 marks) Activa (2 marks)
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