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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
- IIT JAM
- Physics (PH)
Rcular pieicaa a crcular biecal (c) elliptical (d) straight line p.20 a current is passed by a battery of constant voltage through the germanium w at room tempe
rCular Pieicaa A CrCular BIecal (C) elliptical (D) straight line p.20 A current is passed by a battery of constant voltage through the germanium w at room temperature. Now the temperature of germanium wire is decreased. T reading of ammeter will R AW Ge ATncrease (C) Reamain unchanged A device Y ia CanaaaasA (B) Decrease (D) Increase and decrease alternatively 21
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Anshum Sharma![best-answer]()
As the Temprature (T) decreases Resistance (R) decreases as u can see in the image and the current (I) increases. By ohms law. V = IR , (Voltage is constant) R = 1/I R is inversely proportional to current, so ammeter ( measure current) also increases.