Home
Class 12
PHYSICS
The resistance R of a conductor varies ...

The resistance R of a conductor varies with temperature t as shown in the figure. If the variation is represented by `R_(t) = R_(0)[1+ alphat +betat^(2)]`, then

A

`alpha` and `beta` are both negative

B

`alpha` and `beta` are positive

C

`alpha` is positive and `beta` is negative

D

`alpha` is negative and `beta` is positive

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC CURRENT & CIRCUITS

    CENGAGE PHYSICS|Exercise Combination of Resistance 1|14 Videos
  • ELECTRIC CURRENT & CIRCUITS

    CENGAGE PHYSICS|Exercise Combination of Resistance 2|14 Videos
  • ELECTRIC CHARGES AND FIELDS

    CENGAGE PHYSICS|Exercise QUESTION BANK|40 Videos
  • ELECTRIC CURRENT AND CIRCUIT

    CENGAGE PHYSICS|Exercise Interger|8 Videos

Similar Questions

Explore conceptually related problems

The resistance t R of a conductor varies with temperature t as shown in the figure. If the variation is represented by R_(t) = R_(0)[1+ alphat +betat^(2)] , then

The ednsity (rho) of an ideal gas varies with temperature T as shown in figure. Then

The current I through a conductor varies with time t as shown in figure. The average electric current during t=0 to t=10 s will be

Variation of resistance of the conductor with temperature is shown . Temperature coefficient of the conductor is

The V - I graphs for a conductor at temperature T_1 and T_2 are shown in the figure (T_2-T_1) is proportional to

The V-i graph for a conductor at temeratures T_1 and T_2 are as shown in the figure. (T_2 - T_1) is alphaortional to. .

The V - i graph for a conductor at temperature T_(1) and T_(2) are as shown in the figure. ( T_(2) - T_(1)) is proportional to

A cell of emf E having an internal resistance R varies with R as shown in figure by the curve

The V-l graph for a conductor at temperatures T_(1) " and " T_(2) are as shown in the figure. The term T_(2) -T_(1) is proportional to