(81) . The current through a conductor between two points is directly proportional to the voltage across the two points, is known as?
Kirchhoff’s 1st law
Kirchhoff’s 2nd law
Ohm’s law
None of these
(82) . Electric lines of force?
Intersect each other
Are always parallel
Never intersect
None of these
(83) . The times constant of a circuit containing capacitance C and resistance R is?
RC
1/RC
R/C
None of these
(84) . If two systems A and B are in thermal equilibrium with a third system C then A and B are is thermal equilibrium with each other. This Is called?
First law of thermodynamics
Second law of thermodynamics
Zeroth law of thermodynamics
None of these
(85) . Which of the following elements is not present abundantly in earth's crust?
Silicon
Radium
Aluminium
None of these
(86) . The main stimulant in tea leaves is?
Leaves
Caffeine
Grain
None of these
(87) . The branch of science which deals with the nature of sound and its transmission is called?
Acoustics
Aeronautics
Mechanics
None of these
(88) . The study of energy production in living bodies is?
Biology
Biomechanics
Bioenergetics
None of these
(89) . Fruits without seed, like banana are called?
Seedless fruits
Parthenogenesis fruits
Parthenocapric fruits
None of these
(90) . Silver fish belongs to?
Fish
Insect
Reptile
None of these