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Free gk questions Online Test - MeritNotes

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No. of Questions :10

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1. The unit of specific resistance is

(a) ohm metre
(b) ohm
(c) mho
(d) mho metre^-1

2. When resistors, are connected in parallel, _____ across each of the resistors is the same.

(a) charge
(b) current
(c) power
(d) potential

3. A material with a negative temperature coefficient is called a

(a) thermopile
(b) thermostat
(c) thermistor
(d) thermometer

4. Which one of the following is used to determine the age of human fossils?

(a)
Density determination of fossil
(b)
Softness of the fossil
(c)
Radio carbon dating
(d)
Water content of the fossil

5. To an observer on the lunar surface during the day time the sky will appear to be

(a)
Black
(b)
Blue
(c)
Light yellow
(d)
Orange

6. The resistance offered to current flow by the electrolyte of the cell is termed as _____ of the cell.

(a) internal resistance
(b) external resistance
(c) standard resistance
(d) none of the above

7. In the conventional current, the positive charges flow

(a) in different directions
(b) partly in the direction of flow and partly in opposite direction
(c) in the opposite direction of flow of electrons
(d) in the direction of flow of electrons

8. Thermostat is a device which

(a)
automatically regulates the pressure of a system
(b)
automatically regulates the temperature of a system
(c)
measures temperature
(d)
measures heat

9. In an electronic watch, the component corresponding to the pendulum of a pendulum clock is

(a)
Balance wheel
(b)
Crystal oscillator
(c)
Diode
(d)
Transistor

10. The time period of a pendulum depends on

(a)
the time
(b)
the length
(c)
the mass
(d)
both (a) and (b)

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