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JEE Main 2022 (Online) 25th July Evening Shift
Numerical
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-1
Out of Syllabus
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In a potentiometer arrangement, a cell of emf 1.20 V gives a balance point at 36 cm length of wire. This cell is now replaced by another cell of emf 1.80 V. The difference in balancing length of potentiometer wire in above conditions will be ___________ cm.

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2
JEE Main 2022 (Online) 25th July Evening Shift
Numerical
+4
-1
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Two ideal diodes are connected in the network as shown in figure. The equivalent resistance between A and B is __________ $$\Omega$$.

JEE Main 2022 (Online) 25th July Evening Shift Physics - Semiconductor Question 45 English

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3
JEE Main 2022 (Online) 25th July Evening Shift
Numerical
+4
-1
Out of Syllabus
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Two waves executing simple harmonic motions travelling in the same direction with same amplitude and frequency are superimposed. The resultant amplitude is equal to the $$\sqrt3$$ times of amplitude of individual motions. The phase difference between the two motions is ___________ (degree).

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

Two parallel plate capacitors of capacity C and 3C are connected in parallel combination and charged to a potential difference 18 V. The battery is then disconnected and the space between the plates of the capacitor of capacity C is completely filled with a material of dielectric constant 9. The final potential difference across the combination of capacitors will be ___________ V.

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