Download App

Heating and Chemical Effect of Current — JEE physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceJEE physicsHeating and Chemical Effect of Current1 Mark
Question
Assertion : Heat is generated continuously is an electric heater but its temperature becomes constant after some time.
Reason : At the stage when heat produced in heater is equal to the heat dissipated to its surrounding the temperature of heater becomes constant.
✓

Answer

(a)

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 "Assertion & Reason" from Heating and Chemical Effect of Current→Heating and Chemical Effect of Current — all question types→JEE physics STD 12 Science question papers→CBSE Board STD 12 Science question papers→CBSE Board question paper generator→

Similar questions

Assertion : No force is required by the body to remain in any state.
Reason : In uniform linear motion, acceleration has a finite value.
→
Assertion : In adiabatic compression, the internal energy and temperature of the system get decreased.
Reason : The adiabatic compression is a slow process
→
Assertion : Gauss theorem is not applicable in magnetism.
Reason : Mono magnetic pole does not exist.
→
Assertion : Air quickly leaking out of a balloon becomes coolers
Reason : The leaking air undergoes adiabatic expansion.
→
Assertion : A laser beam $0.2 W$ power can drill holes through a metal sheet, whereas $1000 W$ torch-light cannot.
Reason : The frequency of laser light is much higher then that of torch light.
→
Assertion : Animals curl into a ball, when they feel very cold.
Reason : Animals by curling their body reduces the surface area.
→
Assertion $\quad$ : If dot product and cross product of $\vec{A}$ and $\vec{B}$ are zero, it implies that one of the vector $\vec{A}$ and $\vec{B}$ must be a null vector.
Reason $\quad$ : Null vector is a vector with zero magnitude.
→
Assertion : The displacement-time graph of a body moving with uniform acceleration is a straight line.
Reason : The displacement is proportional to time for uniformly accelerated motion.
→
Assertion : The possibility of an electric bulb fusing is higher at the time of switching ON and OFF
Reason : Inductive effects produce a surge at the time of switch ON and OFF
→
Assertion : The poles of magnet cannot be separated by breaking into two pieces.
Reason : The magnetic moment will be reduced to half when a magnet is broken into two equal pieces.
→