1
JEE Main 2021 (Online) 25th July Evening Shift
Numerical
+4
-1
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A 16 $$\Omega$$ wire is bend to form a square loop. A 9V supply having internal resistance of 1$$\Omega$$ is connected across one of its sides. The potential drop across the diagonals of the square loop is _______________ $$\times$$ 10$$-$$1 V
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2
JEE Main 2021 (Online) 25th July Morning Shift
Numerical
+4
-1
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An electric bulb rated as 200 W at 100 V is used in a circuit having 200 V supply. The resistance 'R' that must be put in series with the bulb so that the bulb delivers the same power is _____________ $$\Omega$$.
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3
JEE Main 2021 (Online) 22th July Evening Shift
Numerical
+4
-1
Change Language
In an electric circuit, a cell of certain emf provides a potential difference of 1.25 V across a load resistance of 5$$\Omega$$. However, it provides a potential difference of 1 V across a load resistance of 2$$\Omega$$. The emf of the cell is given by $${x \over {10}}V$$. Then the value of x is ______________.
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4
JEE Main 2021 (Online) 20th July Evening Shift
Numerical
+4
-1
Change Language
In the given figure switches S1 and S2 are in open condition. The resistance across ab when the switches S1 and S2 are closed is _____________ $$\Omega$$.

JEE Main 2021 (Online) 20th July Evening Shift Physics - Current Electricity Question 175 English
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