MCQ
Papers
Previous Year Paper
Exam
Quiz
Tournament
Test Series
Assessment Services
Login/Sign Up
MCQ
BASIC ELECTRONICS
CONTROL SYSTEM ENGINEERING
DIGITAL ELECTRONICS
ELECTRICAL CIRCUIT ANALYSIS
ELECTRICAL ENERGY CONSERVATION AND AUDITING
ELECTRICAL ENGINEERING MATERIALS
ELECTRICAL MACHINES
ELECTRICAL VEHICLES
ELECTRICAL WIRING
ELECTROMAGNETICS
MEASUREMENT & INSTRUMENTATION
MICROPROCESSOR AND MICROCONTROLLER INTERFACING
POWER ELECTRONICS & DRIVES
POWER SYSTEM
SIGNALS & SYSTEMS
UTILIZATION OF ELECTRICAL ENERGY
ELECTRICAL ENGINEERING MATERIALS
Q1.
The net charge on a neutral atom of an element will be _______.
Positive
Negative
Infinite
Zero
Show Answer
Solution
Q2.
According to free electron theory, electron in a metal are subjected to
Constant potential
Sinusoidal potential
Square wave potential
Non-periodic potential
Show Answer
Solution
Q3.
Liquid crystal material is used in
display devices and thermal sensors
ultrasonic amplification and display devices
thermal sensors and transducers
transducers and ultrasonic amplification
Show Answer
Solution
Q4.
A barium titanate crystal has a thickness of 2 mm. Its voltage sensitivity is \(12 \times 10^{-3} \:V-m/N\). It is subjected to a pressure of \(0.5 \:MN/m^2\). What is the voltage generated?
3 V
6 V
5 V
12 V
Show Answer
Solution
Q5.
Nichrome is an alloy of
silver, copper and nickel
aluminium, tin and copper
nickel, chromium and iron
chromium, aluminium and copper
Show Answer
Solution
Q6.
Mercury as an electric contact material is
a liquid
a metal
a metal liquid
a gas
Show Answer
Solution
Q7.
What type of magnetic behavior is observed in a type-I superconductor?
Perfect diamagnetism
Perfect paramagnetism
Perfect ferromagnetism
Perfect ferrimagnetism
Show Answer
Solution
Q8.
Insulating materials have the function of
preventing a short circuit between conducting wires
preventing an open circuit between the voltage source and the load
conducting very large currents
storing very high currents
Show Answer
Solution
Q9.
The dielectric strength of air under normal conditions is
\(30\:KV_p/cm\)
\(100\:KV_p/cm\)
\(150\:KV_p/cm\)
\(200\:KV_p/cm\)
Show Answer
Solution
Q10.
Controlled addition of group III element to an elemental semiconductor results in the formation of
Intrinsic semiconductor
n-type semiconductor
p-type semiconductor
Degenerate semiconductor
Show Answer
Solution
1
2
Next Page
Hello Qualexians...
Login to access detailed solutions and many more exam preparation activities at Qualexe.