diff options
Diffstat (limited to '3875/CH9/EX9.5/Ex9_5.sce')
| -rw-r--r-- | 3875/CH9/EX9.5/Ex9_5.sce | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/3875/CH9/EX9.5/Ex9_5.sce b/3875/CH9/EX9.5/Ex9_5.sce index 6b178a2fc..3b5210027 100644 --- a/3875/CH9/EX9.5/Ex9_5.sce +++ b/3875/CH9/EX9.5/Ex9_5.sce @@ -5,7 +5,7 @@ I_0=7.5*10^-6 //input power in Watt I_t=8.6*10^-6 //output power in Watt
//calculation
-alpha=-(10/0.5)*log10(I_0/I_t)
+alpha=-(10/L)*log10(I_0/I_t)
-mprintf("The loss specification of the fibre is = %1.1f dB/km",alpha)
+mprintf("The loss specification of the fibre is = -%1.1f dB/km",alpha)
//The answer varies dur to round off error.
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