Electronics and Communication Engineering - Measurements and Instrumentation - Discussion
Discussion Forum : Measurements and Instrumentation - Section 1 (Q.No. 31)
31.
A full wave rectifier type meter is used to measure the wave shape shown in figure. The voltmeter is calibrated to read rms value of sine wave. The reading of voltmeter will be
100 V
111 V
Answer: Option
Explanation:
Peak value of sine wave = 100 x 1.11 = 111 V.
Discussion:
11 comments Page 2 of 2.
Satyanarayan chand said:
7 years ago
Full-wave Rectifier Average Value.
Then we can see that a full-wave rectifier circuit converts BOTH the positive or negative halves of an AC waveform into a pulsed DC output that has a value of 0.637 * AMAX or 0.9 * ARMS.
So, 0.637 * 100 = 63.7 and 63.7 * 1.11 = 70.7 is the answer.
Then we can see that a full-wave rectifier circuit converts BOTH the positive or negative halves of an AC waveform into a pulsed DC output that has a value of 0.637 * AMAX or 0.9 * ARMS.
So, 0.637 * 100 = 63.7 and 63.7 * 1.11 = 70.7 is the answer.
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