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Free gk questions Online Test - MeritNotes
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Online Exam
No. of Questions :10
Remaining Time :
1. Nichrome wire is used as the heating element because it has
(a)
High specific resistance
(b)
High conductivity
(c)
Low melting point
(d)
Low specific resistance
2. Which one of the following is not a radioactive element?
(a)
Cadmium
(b)
Radium
(c)
Thorium
(d)
Uranium
3. Free electrons are always in
(a)
Vibrational motion
(b)
Rotational motion
(c)
Linear motion
(d)
Random motion
4. The reciprocal of resistance is
(a)
Conductance
(b)
Specific resistance
(c)
Resistivity
(d)
Conductivity
5. In the electrolyte of the cell, current flows from ____
(a)
Positive to positive terminal
(b)
Negative to negative terminal
(c)
Negative to positive terminal
(d)
Positive to negative terminal
6. Joule's law is verified using
(a)
Joule's thermometer
(b)
Joule's pyroheliometer
(c)
Joule's barometer
(d)
Joule's calorimeter
7. In the case of insulators, as the temperature decreases, resistivity
(a)
Increases
(b)
Decreases
(c)
Remains constant
(d)
Becomes zero
8. The tolerance or percentage of reliability of the resistor is indicated by the
(a)
Silver or gold ring
(b)
Grey or white ring
(c)
Yellow or blue ring
(d)
Brown or red ring
9. Thermopile works on the principle of
(a)
Thomson effect
(b)
Peltier effect
(c)
See beck effected
(d)
Joule effect
10. An instrument to measure electrical power consumed is
(a)
Ammeter
(b)
Voltmeter
(c)
Galvanometer
(d)
Watt meter
