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JEE PHYSICS MCQ: CURRENT ELECTRICITY
1
Medium
1 of 1
Application
+4 | -1
Two wires made of same material have lengths in the ratio 1: 2 and their volumes in the same ratio. The ratio of their resistances is
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Correct option: D
0.044444444
Option D (01:04) is correct because the resistance is proportional to the square of the length when the volume and material are the same.
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Statement-2: For most of the resistors, resistance increases with increase in temperature. The reciprocal of resistance is Corresponding to the resistance , which is order of colour coding on carbon resistors? In a meter bridge, the gaps are closed by resistance 2 and 3 ohms. The value of shunt to be added to 3 ohm resistor to shift the balancing point by is
Statement-2: For most of the resistors, resistance increases with increase in temperature. The reciprocal of resistance is Corresponding to the resistance , which is order of colour coding on carbon resistors? In a meter bridge, the gaps are closed by resistance 2 and 3 ohms. The value of shunt to be added to 3 ohm resistor to shift the balancing point by is