4. To find the resistance of a gold bangle, two diametrically opposite points of the bangle are connected to thetwo terminals of the left gap of a metre bridge. A resistance of 4 is introduced in the right gap. What is theresistance of the bangle if the null point is at 20 cm from the left end?(a) 2(b) 4 (c) 8(d) 16

4. To find the resistance of a gold bangle, two diametrically opposite

1.	4. To find the resistance of a gold bangle, two diametrically opposite points of the bangle are connected to thetwo terminals of the left gap of a metre bridge. A resistance of 4 is introduced in the right gap. What is theresistance of the bangle if the null point is at 20 cm from the left end?(a) 2(b) 4 (c) 8(d) 16
Answer» Resistance of the bangle is 2 ohmExplanation:As we KNOW that for the condition of NULL point we must havehere we know THATSO we havenow we know that bangle is connected at diametrical ENDS so we have#LearnTopic : METER Bridgebrainly.in/question/15029368

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