Download App

Current Electricity — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsCurrent Electricity1 Mark
Question
Identify the wrong statement describing the color code for carbon resistors.
✓

Answer

  1. The third band indicates the third significant figure.
Explanation:
The third band indicates the power of ten with which the first and second significant figures must be multiplied to get the resistance value in ohms. All the other statements are valid.

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→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

Half-life is measured by(a) Geiger-Muller counter(b) Carbon dating(c) Spectroscopic method(d) Wilson-Cloud chamber
   
   
→
If two electric bulbs have 40 W and 60 W rating at 220 V, then the ratio of their resistances will be(a) 9 : 4    (b) 4 : 3(c) 3 : 8     (d) 3 : 2
       
→
A semiconductor device is connected in a series circuit with a battery and a resistance. A current is found to pass through the circuit. If the polarity of the battery is reversed, the current drops to almost zero. The device may be a/ an?
→
A hollow metal sphere of radius 5cm is charged such that the potential on its surface is 10V. The potential at a distance of 2cm from the centre of the sphere is:
→
When a thin transparent plate of thickness $t$ and refractive index $m$ is placed in the path of one of the two interfering waves of light, then the path difference changes by
→
A beaker containing a liquid is kept inside a big closed jar. If the air inside the jar is continuously pumped out the pressure in the liquid near the bottom of the liquid will:
  1. Increase
  2. Decrease
  3. Remain constant
  4. First decrease and then increase.
→
Two charges of $+2 \mu C$ and $+8 \mu C$ are located at a distance of one meter. At what distance from a $2 \mu C$ charge will the electric field be zero on the line joining them?
→
The electrical conductivity of semiconductor increases when electromagnetic radiation of wavelength shorter than 2800 nm is incident on it. The band gap in (eV) for the semiconductor is:
→
The electric field lines are far apart where electric field is:
→
In interchanging the corresponding positions of battery and galvanometer in a Wheatstone bridge, the balanced position:
→