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MCQ
BASIC ELECTRONICS
CONTROL SYSTEM ENGINEERING
DIGITAL ELECTRONICS
ELECTRICAL CIRCUIT ANALYSIS
ELECTRICAL ENERGY CONSERVATION AND AUDITING
ELECTRICAL ENGINEERING MATERIALS
ELECTRICAL MACHINES
ELECTRICAL WIRING
ELECTROMAGNETICS
MEASUREMENT & INSTRUMENTATION
MICROPROCESSOR AND MICROCONTROLLER INTERFACING
POWER ELECTRONICS & DRIVES
POWER SYSTEM
SIGNALS & SYSTEMS
UTILIZATION OF ELECTRICAL ENERGY
ELECTRICAL WIRING
Q1.
It is fatal to touch a live wire, because
The human body becomes part of the electric circuit
The voltage may cause burns to the skin
The current may cause burns to the skin or inside the body
It causes damage to the heart and nerve system
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Solution
Q2.
A switch is always provided in which wire ?
Earth wire
Neutral wire
Phase wire
None of these
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Solution
Q3.
The effect of electric shock on the human body depends on
Voltage
Duration of contact
Current
All of the above
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Solution
Q4.
The electrical wires are specified by
The colour and length
The length and diameter
The number and size of strands
The colour and diameter
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Solution
Q5.
Solder is an alloy of
copper and aluminium
tin and lead
nickel, copper and zinc
silver, copper and lead
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Solution
Q6.
The severity of electrical shock depends on
Current through the body
line current in the system
Line voltage
all of above
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Solution
Q7.
Bulbs in street lighting are all connected in
parallel
series
series-parallel
end-to-end
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Solution
Q8.
The purpose of choke in a fluorescent tube is
To decrease the current
To increase the current
To decrease the voltage momentarily
To increase the voltage momentarily
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Solution
Q9.
Overhead telephone wires are made of
aluminium
steel
ACSR conductors
copper
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Solution
Q10.
What is the reason of having earth pin thicker and longer in a 3-pin plug ?
To earth the appliance first
To provide low resistance of phase current
To increase the voltage
None of these
Show Answer
Solution
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