1
JEE Main 2021 (Online) 25th February Evening Shift
Numerical
+4
-1
Change Language
Two small spheres each of mass 10 mg are suspended from a point by threads 0.5 m long. They are equally charged and repel each other to a distance of 0.20 m. The charge on each of the sphere is $${a \over {21}} \times {10^{ - 8}}$$C. The value of 'a' will be ___________. [Given g = 10 ms$$-$$2]
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2
JEE Main 2021 (Online) 25th February Evening Shift
Numerical
+4
-1
Change Language
Two particles having masses 4 g and 16 g respectively are moving with equal kinetic energies. The ratio of the magnitudes of their linear momentum is n : 2. The value of n will be ___________.
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3
JEE Main 2021 (Online) 25th February Evening Shift
Numerical
+4
-1
Change Language
A current of 6A enters one corner P of an equilateral triangle PQR having 3 wires of resistance 2$$\Omega$$ each and leaves by the corner R. The currents i1 in ampere is _________.

JEE Main 2021 (Online) 25th February Evening Shift Physics - Current Electricity Question 169 English
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