Question 11.SP.10: The current through an incandescent lamp is measured with an......
The current through an incandescent lamp is measured with an ac ammeter and found to be 0.95 A. What is the average value of this current?
Step-by-Step
From Table 11-1,
I_{av} = 0.901\ I (effective or rms value is understood for I)
= 0.901(0.95) = 0.86 A
| Table 11-1 Conversion Table for AC Sine Wave Voltage and Current | ||
| Multiply the Value
|
By
|
To Get the Value
|
| Peak | 2 | Peak-to-peak |
| Peak-to-peak | 0.5 | Peak |
| Peak | 0.637 | Average |
| Average | 1.570 | Peak |
| Peak | 0.707 | RMS (effective) |
| RMS (effective) | 1.414 | Peak |
| Average | 1.110 | RMS (effective) |
| RMS (effective) | 0.901 | Average |
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