Calculate the power dissipated in the metal wire when the current Which graph was obtained at the higher temperature? 15 20 25 30 35 40 45 The metal wire is an ohmic conductor. Justify this statement by Calculate the resistance of the metal wire at temperature Tr. Current (pmA) 12.1.1 12.1.2 Give a reason for the answer. 12.1.3 12.1.4 in it is 25 mA at temperature T2.

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Chapter1: Units, Trigonometry. And Vectors
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The metal wire is an ohmic conductor. Justify this statement by
Which graph was obtained at the higher temperature?
Calculate the resistance of the metal wire at temperature T.
ION 12 (Start on a new page.)
Calculate the power dissipated in the metal wire when the cument
The two graphs below represent the relationship between potential difference
and current in a metal wire at two different constant temperatures, T, and T
GRAPHS OF POTENTIAL DIFFERENCE VERSUS CURRENT
4,5T
4,0-
(3.
3,5
3,0-
T2
2,5
2,0
1,5-
1,0+
0,5-
0.
10
15
20
25
30
35
40
45
Current (mA)
12.1.1
12.1.2
Give a reason for the answer.
12.1.3
referring to the graphs.
12.1.4
in it is 25 mA at temperature T2.
Potential difference (V)
221
Transcribed Image Text:The metal wire is an ohmic conductor. Justify this statement by Which graph was obtained at the higher temperature? Calculate the resistance of the metal wire at temperature T. ION 12 (Start on a new page.) Calculate the power dissipated in the metal wire when the cument The two graphs below represent the relationship between potential difference and current in a metal wire at two different constant temperatures, T, and T GRAPHS OF POTENTIAL DIFFERENCE VERSUS CURRENT 4,5T 4,0- (3. 3,5 3,0- T2 2,5 2,0 1,5- 1,0+ 0,5- 0. 10 15 20 25 30 35 40 45 Current (mA) 12.1.1 12.1.2 Give a reason for the answer. 12.1.3 referring to the graphs. 12.1.4 in it is 25 mA at temperature T2. Potential difference (V) 221
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