1
JEE Main 2022 (Online) 25th July Morning Shift
Numerical
+4
-1
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In the given figure, the value of Vo will be _____________ V.

JEE Main 2022 (Online) 25th July Morning Shift Physics - Current Electricity Question 96 English

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2
JEE Main 2022 (Online) 25th July Morning Shift
Numerical
+4
-1
Change Language

Eight copper wire of length $$l$$ and diameter $$d$$ are joined in parallel to form a single composite conductor of resistance $$R$$. If a single copper wire of length $$2 l$$ have the same resistance $$(R)$$ then its diameter will be ____________ d.

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3
JEE Main 2022 (Online) 25th July Morning Shift
Numerical
+4
-1
Change Language

The energy band gap of semiconducting material to produce violet (wavelength = 4000$$\mathop A\limits^o $$ ) LED is ______________ $$\mathrm{eV}$$. (Round off to the nearest integer).

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4
JEE Main 2022 (Online) 25th July Morning Shift
Numerical
+4
-1
Out of Syllabus
Change Language

The required height of a TV tower which can cover the population of $$6.03$$ lakh is $$h$$. If the average population density is 100 per square $$\mathrm{km}$$ and the radius of earth is $$6400 \mathrm{~km}$$, then the value of $$h$$ will be _____________ $$m$$.

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