Which is not an e.m.f source:
Generator
Solar cell
Battery
Rheostat
the phenomena which is used in applying paints on the surface of different articles is called:
electroplating
electroscope
electrostatic induction
electrolytes
The cathode ray oscilloscope consists of main parts:
Two
Three
Four
Five
Which animal have ability to move his eye lens:
Snake
Fish
Ant
Tiger
The index of refraction depends on:
The focal length
The speed of light
The image distance
The object distance
Value of âkâ depends upon:
System of unit
Nature of medium
Both a and b
None of these
The intensity level of train siren is:
150 dB
100 dB
130 dB
120 dB
One micro coulomb charge is equal to:
10-3c
103c
106c
10-6c
When resistances are connected in series the current passing through them is:
Different
Zero
The same
