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Free tnpsc model questions Online Test - MeritNotes
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Online Exam
No. of Questions :10
Remaining Time :
1. In a dry cell (battery), which of the following are used as electrolytes?
(a)
Ammonium chloride and calcium chloride
(b)
Magnesium chloride and zinc chloride
(c)
Sodium chloride and calcium chloride
(d)
Ammonium chloride and zinc chloride
2. A choke coil has
(a)
Low inductance and low resistance
(b)
Low inductance and high resistance
(c)
High inductance and low resistance
(d)
High inductance and high resistance
3. Direct conversion of solar energy with the use of photovoltaic cell results in the production of
(a)
Mechanical energy
(b)
Thermal energy
(c)
Electrical energy
(d)
Optical energy
4. The velocity of light is maximum in
(a)
Glass
(b)
Water
(c)
Diamond
(d)
Vacuum
5. Fusion reaction takes place at high temperature because
(a)
Kinetic energy is high enough to overcome repulsion at high temperature
(b)
Nuclei break up at high temperature
(c)
Molecules break up at high temperature
(d)
Atoms are ionized at high temperature
6. With the propagation of a longitudinal wave through a material medium, the quantities transferred in the direction of propagation are
(a)
Energy
(b)
Energy and mass
(c)
Energy and momentum
(d)
Energy, momentum and mass
7. A radar beam consists of
(a)
Microwaves
(b)
Ultraviolet rays
(c)
Infrared rays
(d)
X-rays
8. Conversion of chemical energy into electrical energy occurs in
(a)
Battery
(b)
Dynamo
(c)
Electric heaters
(d)
Atomic bombs
9. A galvanometer is converted into a voltmeter when we connect a
(a)
Low resistance in series
(b)
Low resistance in parallel
(c)
High resistance in parallel
(d)
High resistance in series
10. The electromagnetic radiation most prevalent in the atmosphere is
(a)
Radio waves
(b)
Ultraviolet
(c)
Infrared
(d)
Visible light
