MCQ
To convert a moving coil galvanometer into voltmeter
  • A
    a low resistor is needed to join in parallel
  • B
    a low resistor is needed to join in series
  • C
    a high resistor is needed to join in parallel
  • a high resistor is needed to join in series

Answer

Correct option: D.
a high resistor is needed to join in series

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

In the given potentiometer circuit length of the wire $AB$ is $3\,m$ and resistance is $R = 4.5 \,\Omega.$ The length $AC$ for no deflection in galvanometer is ................ $\mathrm{m}$
In Young's double slit experiment how many maximas can be obtained on a screen (including the central maximum) on both sides of the central fringe if λ = 2000 $A^0$ and d = 7000 $A^0$ 
The net resistance of a voltmeter should be large to ensure that
An arrangement with a pair of quarter circular coils of radii $r$ and $R$ with a common centre $C$ and carrying a current $I$ is shown in the figure. The permeability of free space is $\mu_0$. The magnetic field at $C$ is
A coil is placed perpendicular to a magnetic field of $5000 \mathrm{~T}$. When the field is changed to $3000 \mathrm{~T}$ in $2 \mathrm{~s}$, an induced emf of $22 \mathrm{~V}$ is produced in the coil. If the diameter of the coil is $0.02 \mathrm{~m}$, then the number of turns in the coil is:
The angle which subtends the periphery of the spherical mirror at the centre of curvature is called:
Current is flowing in a circular coil of radius r. There are n turns in the coil. Its magnetic moment varies with r. As:
When the kinetic energy of an electron is increased, the wavelength of the associated wave will
For a plane electromagnetic wave, the magnetic field at a point $x$ and time $t$ is

$\overrightarrow{ B }( x , t )=\left[1.2 \times 10^{-7} \sin \left(0.5 \times 10^{3} x +1.5 \times 10^{11} t \right) \hat{ k }\right] T$

The instantaneous electric field $\overrightarrow{ E }$ corresponding to $\overrightarrow{ B }$ is : (speed of light $\left.c=3 \times 10^{8} ms ^{-1}\right)$

Field inside a solenoid is