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Mustansir B.
Sophomore at BITS Pilani
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Physics (Electricity and Magnetism)
TutorMe
Question:

In a magnetic circuit, two coils are placed close one another such that there is no flux leakage. Then what will be value of the coupling coefficient of the two coils (k) :

Mustansir B.
Answer:

unity

Economics
TutorMe
Question:

If you woke up one day and read the news that your country's GDP has doubled overnight will it directly mean the country has prospered overnight? If not, what other factors are to be considered examine the situation and justify your answer.

Mustansir B.
Answer:

NO, as GDP or the Gross Domestic Product of a country is the market value of final goods and services produced in an economy , sure it is true that as the economy expands or prospers the GDP increases because the quantity of goods and services produced increases but increase in GDP has another aspect also it will also increase if the prices or inflation increases drastically so the market value of products naturally increase. Hence, "inflation rates" and "real GDP (GDP at constant price)" have to be taken in consideration.

C Programming
TutorMe
Question:

what will be the output of the code(answer without compiling it) or specify the type of error(compile time or run time) it gives, if any: int x=-100; int main() { if (x) { printf("hi");} else {printf("hello");} return 0; }

Mustansir B.
Answer:

"hi" (as the compiler treats any non zero value as true or "1")

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