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BASIC CONCEPTS OF ELECTRICITY - Practice Mode
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Information and Communication Technology System Maintenance (ICTSM)
BASIC CONCEPTS OF ELECTRICITY
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1) Which material is used as electrical insulator?
Gallium
Porcelain
Aluminium
Germanium
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Correct Answer: Porcelain
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1) Which material is used as electrical insulator?
Gallium
Porcelain
Aluminium
Germanium
2) What is the effect on the current flow with increased diameter of conductor?
Resistance increases
Opposes more current
More voltage dropped
Allows high current flow
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Correct Answer: Allows high current flow
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2) What is the effect on the current flow with increased diameter of conductor?
Resistance increases
Opposes more current
More voltage dropped
Allows high current flow
3) How the single stand wire is called?
Hook - up wire
Twisted wire
Wire pair
Multistand wire
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Correct Answer: Hook - up wire
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3) How the single stand wire is called?
Hook - up wire
Twisted wire
Wire pair
Multistand wire
4) Which metal has very good conductivity to the electric current?
Gold
Copper
Silver
Aluminium
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Correct Answer: Silver
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4) Which metal has very good conductivity to the electric current?
Gold
Copper
Silver
Aluminium
5) Which is used for continuity checking?
Ohm meter
Ammeter
Volt meter
Multi meter
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Correct Answer: Multi meter
Explanation:
.
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5) Which is used for continuity checking?
Ohm meter
Ammeter
Volt meter
Multi meter
Explanation:
.
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