JEE/ NEET | Physics | Current Electricity | MCQ | Lecture 8

00:00 11. Three resistances of 4 Ω each are connected as shown in figure. If the point D divides the resistance into two equal halves, the resistance between point A and D will be
03:30 12. An infinite sequence of resistances is shown in the figure. The resultant resistance between A and B will be, when R₁ = 1ohm and R2 = 2ohm
10:30 13. What is the equivalent resistance between the points A and B of the network
15:34 14. The equivalent resistance between the points P and Q in the network given here is equal to (given r=3/2 Ω)
18:30 15. Find the equivalent resistance across the terminals of source of e.m.f. 24 V for the circuit shown in figure
23:44 16. Find equivalent resistance between A and B
27:27 17. The equivalent resistance between points A and B with switch S open and closed are respectively
32:20 18. The equivalent resistance between the points A and B in the following circuit is
36:00 19. The effective resistance across the points A and I is
40:25 20. For what value of R the net resistance of the circuit will be 18 ohms
44:46 21. Two wires of equal diameters, of resistivities p₁ and p2 and lengths l1 and l2, respectively, are joined in series. The equivalent resistivity of the combination is
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