The peak value of an alternating current is 10. A. Find its rms value
Text Solution
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To find the RMS (Root Mean Square) value of an alternating current (AC) given its peak value, we can follow these steps:
### Step 1: Understand the relationship between peak current and RMS current
The RMS value of an alternating current is related to its peak value (I₀) by the formula:
\[
I_{rms} = \frac{I_0}{\sqrt{2}}
\]
where:
...
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Knowledge Check
The rms value of an alternating current
A
is equal to 0.707 times peak value
B
is equal to 0.636 times peak value
C
is equal sqrt2 times the peak value
D
none of the above
The r.m.s. value of an alternating current is
A
less than zero
B
equal to its peak value
C
less than its peak value
D
greater than its peak value
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