Question
Electric charge is measured in:

Answer

  1. Coulombs
Explanation:
The standard unit of charge is coulomb (C). Here ampere is the unit of current, volts is the unit of electric potential difference and watts is the unit of power.

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

Two radioactive materials $X_1$ and $X_2$ have decay constants $10\lambda$ and $\lambda$ respectively. If initially they have the same number of nuclei, then the ratio of the number of nuclei of $X_1$ to that of $X_2$  will be $1/e$  after a time
A long wire carries a steady current. It is bent into a circle of one turn and the magnetic field at the centre of the coil is $B .$ It is then bent into a circular loop of $n$ turns. The magnetic field at the centre of the coil will be
A capacitor of capacity $C_1$ is charged to the pointurill File successfully uploaded. $x$, it is connected with a capacitor of capadity $C _2$ as shown in the adjoining figure. The ratio of energies before and after the connection of switch $S$ will be
A photo sensitive metal is not emitting photo-electrons when irradiated. It will do so when threshold is crossed. To cross the threshold we need to increase?
Huygens' principle of secondary wavelets may be used to:
  1. Find the velocity of light in vacuum.
  2. Explain the particle behaviour of light.
  3. Find the new position of a wavefront.
  4. Explain Snell's law.
A current I flows along the length of an infinitely long, straight and thin-walled pipe. Then(a) The magnetic field at all points inside the pipe is the same but not zero(b) The magnetic field at any point inside the pipe is zero(c) The magnetic field is zero only on the axis of the pipe(d) The magnetic field is different at different points inside the pipe
 
 
 
 
A point object is placed at a distance of 30 cm from a convex mirror of focal length 30cm. The image will form at(a) Infinity(b) Focus(c) Pole(d) 15 cm behind the mirror
   
   
A bar magnet is cut into two equal halves parallel to its magnetic axis. The physical quantity that remains unchanged is:
If an observer is moving with respect to a stationary electron, then he observes(a) Only magnetic field(b) Only electric field(c) Both (a) and (b)(d) None of the above
       
 Identify the electromagnetic wave which is also known as heatwaves.