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JEE Main 2023 (Online) 29th January Morning Shift
Numerical
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In a metre bridge experiment the balance point is obtained if the gaps are closed by 2$$\Omega$$ and 3$$\Omega$$. A shunt of X $$\Omega$$ is added to 3$$\Omega$$ resistor to shift the balancing point by 22.5 cm. The value of X is ___________.

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2
JEE Main 2023 (Online) 25th January Evening Shift
Numerical
+4
-1
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Two cells are connected between points A and B as shown. Cell 1 has emf of 12 V and internal resistance of 3$$\Omega$$. Cell 2 has emf of 6V and internal resistance of 6$$\Omega$$. An external resistor R of 4$$\Omega$$ is connected across A and B. The current flowing through R will be ____________ A.

JEE Main 2023 (Online) 25th January Evening Shift Physics - Current Electricity Question 55 English

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3
JEE Main 2023 (Online) 25th January Morning Shift
Numerical
+4
-1
Change Language

In the given circuit, the equivalent resistance between the terminal A and B is __________ $$\Omega$$.

JEE Main 2023 (Online) 25th January Morning Shift Physics - Current Electricity Question 54 English

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4
JEE Main 2023 (Online) 24th January Evening Shift
Numerical
+4
-1
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If a copper wire is stretched to increase its length by 20%. The percentage increase in resistance of the wire is __________%.

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