Question
Assertion   :   In practical application, power rating of resistance is not important.
Reason      : Property of resistance remain same even at high temperature.(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.(c) If assertion is true but reason is false.(d) If the assertion and reason both are false.
 
 
 
 

Answer

(d) If the assertion and reason both are false.

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

Similar questions

'Electrons revolve round the nucleus in well-defined orbits, like planets revolve round the sun' was the brainchild of:
When the length of the tube of a microscope is increased, the magnifying power will be :
Magnetic field due to $0.1 A$ current flowing through a circular coil of radius $0.1 m$ and $1000$ turns at the centre of the coil is
The number 0 (zero) is required for:
Photoelectric effect supports quantum nature of light because:
  1. There is a minimum frequency below which no photoelectrons are emitted.
  2. The maximum kinetic energy of photoelectrons depends only on the frequency of light and not on its intensity.
  3. Even when the metal surface is faintly illuminated the photoelectrons leave the surface immediately.
  4. Electric charge of the photoelectrons is quantized.
A charge of 10 e.s.u. is placed at a distance of 2 cm from a charge of 40 e.s.u. and 4 cm from another charge of 20 e.s.u. The potential energy of the charge 10 e.s.u. is (in ergs)(a) 87.5(b) 112.5(c) 150(d) 250
       
A cell of negligible resistance and e.m.f. 2 volts is connected to series combination of 2, 3 and 5 ohm. The potential difference in volts between the terminals of 3 ohm resistance will be(a) 0.6(b) 2/3(c) 3  (d) 6
       
When a bar magnet is broken into two pieces:
A proton and an electron are accelerated by the same potential difference. Let $\lambda_\text{e}$ and $\lambda_\text{p}$ denote the de Broglie wavelengths of the electron and the proton respectively.
Let the angle between two nonzero vectors $\overrightarrow{\text{A}}$ and $\overrightarrow{\text{B}}$ be 120° and its resultant be $\vec{\text{c}}:$
  1. C must be equal to $|\text{A}-\text{B}|$
  2. C must be less than $|\text{A}-\text{B}|$
  3. C must be greater than $|\text{A}-\text{B}|$
  4. C may be equal to $|\text{A}-\text{B}|$