Question
Moving charge produces:

Answer

(c )Both electric and magnetic field

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

How will two parallel beams of electron behave while moving in the same direction?
X-rays of which of the following wavelengths are hardest (a) 4 Å(b) 1 Å(c) 0.1 Å  (d) 2 Å
       
Two resistors $R$ and $2R$ are connected in series in an electric circuit. The thermal energy developed in $R$ and $2R$ are in the ratio:
The plane faces of two identical plano-convex lenses each having focal length of 40 cm are pressed against each other to form a usual convex lens. The distance from this lens, at which an object must be placed to obtain a real, inverted image with magnification one is(a) 80 cm (b) 40 cm(c) 20 cm (d) 162 cm
       
What is immaterial for an electric fuse wire(a) Its specific resistance(b) Its radius(c) Its length(d) Current flowing through it
   
   
The radius of the convex surface of plano-convex lens is 20 cm and the refractive index of the material of the lens is 1.5. The focal length of the lens is(a) 30 cm(b) 50 cm(c) 20 cm(d) 40 cm
       
A steady current $i$ flows in a small square loop of wire of side $L$ in a horizontal plane. The loop is now folded about its middle such that half of it lies in a vertical plane. Let $\overrightarrow{\mu_1}$ and $\overrightarrow{\mu_2}$ respectively denote the magnetic moments due to the current loop before and after folding. Then
An achromatic prism is made by combining two prisms
$p_1\left(\mu_v=1.523, \mu_r=1.515\right)$ ana
$ p_2\left(\mu_v=1.666, \mu_r=1.650\right) $
where $\mu$ represents the refractive index. If the angle of the prism $p_1$
is $10^{\circ}$, then the angle of the prism $\mathrm{P}_2$ will be
Assertion  :  When a tiny circular obstacle is placed in the path of light from some distance, a bright spot is seen at the centre of shadow of the obstacle.
Reason      : Destructive interference occurs at the centre of the shadow. (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.
 
 
 
 
The magnetic field of Earth can be modelled by that of a point dipole placed at the centre of the Earth. The dipole axis makes an angle of 11.3º with the axis of Earth. At Mumbai, declination is nearly zero. Then: