Download App

Current Electricity — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsCurrent Electricity1 Mark
MCQ
The voltage V and current I graph for a conductor at two different temperatures $\mathrm T_1$ and $\mathrm T_2$ are shown in the figure. The relation between $\mathrm T_1$ and $\mathrm T_2$ is
  • ✓
    $\mathrm{T}_1>\mathrm{T}_2$
  • B
    $\mathrm{T}_1 \approx \mathrm{T}_2$
  • C
    $\mathrm{T}_1=\mathrm{T}_2$
  • D
    $\mathrm{T}_1<\mathrm{T}_2$
✓

Answer

Correct option: A.
$\mathrm{T}_1>\mathrm{T}_2$
(a) $\mathrm{T}_1>\mathrm{T}_2$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from Current Electricity→Current Electricity — all question types→Physics STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

If refractive index of red, violet and yellow lights are 1.42, 1.62 and 1.50 respectively for a medium. Its dispersive power will be
→
A converging beam of rays is incident on a diverging lens. Having passed through the lens the rays intersect at a point $15\,\, cm$ from the lens on the opposite side. If the lens is removed the point where the rays meet will move $5\,\, cm$ closer to the lens. The focal length of the lens is......$cm$
→
Kirchhoff ’s junction rule is a reflection of:
→
A full wave rectifier circuit along with the input and output voltages is shown in the figure The contribution to output voltage from diode $-2 $ is
→
$A$ ray incident at an angle $53^o$ on a prism emerges at an angle at $37^o$ as shown. If the angle of incidence is made $50^o$, which of the following is a possible value of the angle of emergence......$^o$
→
Two straight long conductors AOB and COD are perpendicular to each other and carry currents $i_1$ and $i_2$. The magnitude of the magnetic induction at a point P at a distance a from the point O in a direction perpendicular to the plane ACBD is
→
A conducting rod $AB$ moves parallel to $X-$ axis in a uniform magnetic field, pointing in the positive $X-$ direction. The end $A$ of the rod gets
→
The atoms of same element having different masses but same chemical properties, are called
→
The maximum efficiency of full wave rectifier is.........$\%$
→
A solenoid is $1.5 m$ long and its inner diameter is $4.0 \ cm. $ It has three layers of windings of $1000$ turns each and carries a current of $2.0$ amperes. The magnetic flux for a cross$-$section of the solenoid is nearly
→