10th Class Physics MCQS
Electric potential and e.m.f.
are the same terms
have different units
are the different terms
both b and c
The current which changes its direction is called:
A.C.
D.C.
Current
Conventional current
Specific resistance of copper is ____________ x 10 8Ohm meter
5.25
2.75
1.62
1.69
In OR operation inputs are connected as:
Series
Parallel
None of these
Both series or parallel
The mirror whose outer surface is reflecting is called:
Mirror
Concave mirror
Convex mirror
Lens
Which wire has lowest resistance?
Very thin wire
Thin wire
Thick wire
All
The characteristics of sound by which we can distinguish between two sounds of same loudness and pitch is called.
Intensity
Loudness
Quality
Pitch
What is the voltage across a 6? resistor when 3 A of current passes through it?
18 V
2 V
36 V
9 V
The diameter of spherical mirror is called:
Both a and b
Sphere
Curvature
Aperture
Specific resistance of silver = ________ x 10 sOhm meter
1.69
2.75
1.62
5.25
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