Electronics - Alternating Current and Voltage - Discussion

Discussion Forum : Alternating Current and Voltage - General Questions (Q.No. 10)
10.
The effective value of a sine wave is equal to
0.707 of peak voltage
0.636 of peak voltage
sin 45° of peak voltage
both 0.707 of peak voltage and sin 45° of peak voltage
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
5 comments Page 1 of 1.

BKM said:   1 decade ago
Ve = Vo/2^(1/2)

Where Ve = effective or rms value of voltage.

Vo = peak value of voltage.

As 1/2^(1/2) = 0.707 because 2^(1/2) = under-root of 2.

Hence,
Ve = 0.707Vo.

or Ve = 0.707 of peak voltage.

Shadan said:   8 years ago
Effective value mens sine wave RMS value.
So RMS VALUE =vm/root2 =Vm*1/root2 =Vm*0.1707,
And Sin 45 =1/root2 so 0.7.7*Vm.

Dawit said:   1 decade ago
Sin of 45 is equal to 0.707.

Abhi said:   9 years ago
Sin 45 is equal to 0.7071.

Kav said:   1 decade ago
Sin of 45 is 0.8509.

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