The voltage $V$ and current $I$ graph for a conductor at two different temperatures $T_{1}$ and $T_{2}$ is shown in the figure. The relation between $T_{1}$ and $T_{2}$ is
- A$T_{1} > T_{2}$
- B$T_{1} < T_{2}$
- C$T_{1} = T_{2}$
- D$T_{1} = \frac{1}{T_{2}}$
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Similar Questions
What conclusion can you draw from the following observations on a resistor made of alloy manganin?
$I (A)$ $V (V)$ $I (A)$ $V (V)$ $0.2$ $3.94$ $3.0$ $59.2$ $0.4$ $7.87$ $4.0$ $78.8$ $0.6$ $11.8$ $5.0$ $98.6$ $0.8$ $15.7$ $6.0$ $118.5$ $1.0$ $19.7$ $7.0$ $138.2$ $2.0$ $39.4$ $8.0$ $158.0$
| $I (A)$ | $V (V)$ | $I (A)$ | $V (V)$ |
| $0.2$ | $3.94$ | $3.0$ | $59.2$ |
| $0.4$ | $7.87$ | $4.0$ | $78.8$ |
| $0.6$ | $11.8$ | $5.0$ | $98.6$ |
| $0.8$ | $15.7$ | $6.0$ | $118.5$ |
| $1.0$ | $19.7$ | $7.0$ | $138.2$ |
| $2.0$ | $39.4$ | $8.0$ | $158.0$ |
Easy
View SolutionThe variation of current $(i)$ passing through a conductor as the voltage $(V)$ applied across its ends is varied is shown in the adjoining diagram. If the resistance $(R)$ is determined at the points $A, B, C$ and $D$,we will find that
Easy
View Solution$A$ $V-i$ graph for a conductor is given. The resistance is proportional to which of the following?
Medium
View SolutionThe $V-i$ graph for a conductor makes an angle $\theta$ with the $V$-axis. Here $V$ denotes the voltage and $i$ denotes the current. The resistance of the conductor is given by:
Medium
View SolutionThe $I-V$ characteristics of a metal wire at two different temperatures ($T_{1}$ and $T_{2}$) are given in the adjoining figure. Here, we can conclude that:
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