In a C file (say sourcefile1.c) an array is defined as follows. Here we don’t need to mention array arr size explicitly in [] because the size would be determined by the number of elements used in the initialization.int arr[] = 12345;In another C file (say sourcefile2.c) the same array is declared for usage as followsextern int arr[];In sourcefile2.c we can use sizeof() on arr to find out the actual size of arr.(A) TRUE(B) FALSE

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1.	In a C file (say sourcefile1.c), an array is defined as follows. Here, we don’t need to mention array arr size explicitly in [] because the size would be determined by the number of elements used in the initialization.int arr[] = {1,2,3,4,5};In another C file (say sourcefile2.c), the same array is declared for usage as follows:extern int arr[];In sourcefile2.c, we can use sizeof() on arr to find out the actual size of arr.(A) TRUE(B) FALSE
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