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Free gk questions Online Test - MeritNotes
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No. of Questions :10
Remaining Time :
1. A switch is always connected to the
(a)
Earth wire
(b)
Line wire
(c)
Neutral wire
(d)
None of these
2. Identity the paramagnetic substance.
(a)
Aluminium
(b)
Nickel
(c)
Copper
(d)
Iron
3. Tangent galvanometer is used to measure
(a)
Steady currents
(b)
Currents impulses
(c)
Earth's magnetic field
(d)
None of these
4. The resistance of an ideal voltmeter is
(a)
Zero
(b)
Infinite
(c)
Very low
(d)
Very high
5. The unidirectional property of a pn-junction is useful for its use as a
(a)
Amplifier
(b)
Transformer
(c)
Oscillator
(d)
Rectifier
6. Good resistance coils are made of
(a)
Silver
(b)
Gold
(c)
Copper
(d)
Manganin
7. Intelsat satellite is used for
(a)
Radio communication
(b)
Radar communication
(c)
Intercontinental communication
(d)
None of the above
8. No current flows between two charged bodies when connected
(a)
If they have same capacity
(b)
If they have the same quantity of charge
(c)
If they have same potential
(d)
None of the above
9. Which of the following device is full duplex?
(a)
Mobile phone
(b)
Walky talky
(c)
Loudspeaker
(d)
Radio
10. When the temperature of semiconductor is increased, its electrical conductivity
(a)
Remains the same
(b)
Increases
(c)
Decreases
(d)
None of these
