Podcast
Questions and Answers
What is the main purpose of integrating instruments?
What is the main purpose of integrating instruments?
- To register the voltage and current in a circuit
- To measure the total amount of electrical energy supplied to a circuit (correct)
- To analyze the error in electrical measurements
- To measure the total quantity of electricity supplied to a circuit
Which physical effect is NOT utilized in the operation of measuring instruments?
Which physical effect is NOT utilized in the operation of measuring instruments?
- Thermal Effect
- Piezoelectric Effect (correct)
- Electrostatic Effect
- Electromagnetic Effect
What is the formula to calculate the relative (percentage) limiting error?
What is the formula to calculate the relative (percentage) limiting error?
- $rac{A_n - A_a}{A_a} imes 100$
- $rac{A_a}{A_n} imes 100$
- $rac{A_n - A_a}{A_n} imes 100$ (correct)
- $rac{A_a - A_n}{A_n} imes 100$
Which type of error is caused by the observer's mistakes in reading or using the instrument?
Which type of error is caused by the observer's mistakes in reading or using the instrument?
What is the main way to avoid instrumental errors in measuring instruments?
What is the main way to avoid instrumental errors in measuring instruments?
Which type of error is caused by the effects of the environment on the measuring instrument?
Which type of error is caused by the effects of the environment on the measuring instrument?
What is the main classification of electrical measuring instruments discussed in the text?
What is the main classification of electrical measuring instruments discussed in the text?
What is a key characteristic of absolute instruments?
What is a key characteristic of absolute instruments?
Which statement about secondary instruments is true according to the text?
Which statement about secondary instruments is true according to the text?
What is the purpose of indicating instruments?
What is the purpose of indicating instruments?
How do recording instruments present the variations in the measured quantity?
How do recording instruments present the variations in the measured quantity?
Which of the following is an example of an indicating instrument according to the text?
Which of the following is an example of an indicating instrument according to the text?
