Before measuring value of unknown voltage or frequency by oscilloscope it must be calibrated?
آسیلوسکوپ کے ذریعے نامعلوم وولٹیج یا فریکوئنسی کی قدر کی پیمائش کرنے سے پہلے اسے کیلیبریٹ کیا جانا چاہیے؟
Answer: All of the above
Explanation
Before measuring with an oscilloscope, it must be calibrated:
Voltage wise: For accurate voltage readings.
Time wise: For precise timing and frequency.
Frequency wise: For correct frequency measurement.
Wave shape wise: To ensure accurate waveform display.
This question appeared in
Past Papers (2 times)
NTDC Past Papers (1 times)
NTS Past Papers (1 times)
This question appeared in
Subjects (1 times)
EVERYDAY SCIENCE (1 times)
Related MCQs
- Always select _______ range of the current meter while measuring current of unknown wire.
- A frequency distribution is given below: Classes: 10-20, 20-30, 30-40, 40-50, 50-60 Frequency: 12, 18, 10, 5, 2. The class which has minimum frequency is?
- The ratio of output voltage to input voltage in a transistor is called _____?
- The voltage _____ is used in a vehicle to control the voltage produced at the output of the alternator.
- If the turns ratio of a transformer is 5, the secondary voltage is greater than the primary voltage by factor _____?
- A measuring cylinder is used in a laboratories for measuring exact volume of a _____?
- If output voltage is greater than input voltage, then transformer is :
- A frequency distribution is given below: Class limit: 5-9, 10-14, 15-19, 20-24, 25-29 Frequency: 14, 28, 50, 38, 20. From the above frequency distribution the frequency of third class is _____?
- If frequency of incident radiation in photoelectric effect is increased beyond threshold frequency, it will not affect?
- In a Hardy-Weinberg population with two alleles, A and a, that are in equilibrium, the frequency of allele a is 0.2. What is the frequency of individuals with Aa genotype?
