Water
Oil
Ink
Any of above
None of these
Are in random motion and their speed depends upon temperature
Move in particular direction
Move with speed of light
Move such that their speed does not depend on their temperature
Equal
Different
Greater than one
Smaller than one
Both (B) and (C)
Its resistance is very high
A constant potential is maintained across the wire
Net current through the wire is zero
A constant potential difference is maintained across the wire
Either (A) or (D)
An inkjet printer uses in its operation:
Neutrons only
Mesons only
Positrons and photons
An electric charge
It generates heat in the wire
It produces sound in the wire
Resistance of the wire decreases
Voltage across the ends is increased
An insulator
A conductor
Insulator in the dark and becomes conductor when exposed to light
Conductor in the dark only
Drum
Deflection plates
Heated roles
Near the outer surface of a hollow charged metal sphere
In the interior of solid metal uncharged sphere
In the interior of solid metal charged sphere
Both (A) and (B)
Both (A) and (C)
No lines cross this area
Maximum lines pass through this area
The number of lines are between zero and maximum
Both (A) and (B) correct
Conversion of chemical energy to electrical energy can be achieved by:
Primary cell
Secondary cell
Photovoltaic cell
Solar cell
Zero
First is greater than the second
Second is greater than the first
Shape of geometry of the closed surface
Charge enclosed
Nature of the medium
