A rectifier voltmeter using bridge rectifier and PMMC meter is calibrated to read rms value of sine wave ___

A rectifier voltmeter using bridge rectifier and PMMC meter is calibrated to read rms value of sine wave.

A triangular wave is applied to it and it reads 6.82 V.

The rms value of triangular wave is

A. about 6.82 V
B. about 7.1 V
C. about 6.5 V
D. about 10 V

Show Answer

Answer: B

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