WorksheetsELECTRONICS
Total questions: 20
Worksheet time: 7mins
If 60 J of energy are available for every 15 C of charge, what is the voltage?
4V
60V
15V
0.25V
A voltage will influence current only if the circuit is:
OPEN
INSULATED
HIGH RESISTANCE
CLOSED
Which resistive component is designed to be temperature sensitive?
Thermistor
Rheostat
Potentiometer
Photoconductive cell
When parallel resistors are of three different values, which has the greatest power loss?
The smallest resistance
The largest resistance
They have the same power loss.
Voltage and resistance values are needed.
The voltage across any branch of a parallel circuit:
varies as the total current varies
is inversely proportional to total circuit resistance
is equally applied to all branch conductance
is dropped in proportion to each branch resistance
As frequency increases
both series and parallel RL impedance decrease
series RL impedance decreases and parallel RL impedance increases
series RL impedance increases and parallel RL impedance decreases
both series and parallel RL impedance increase
Which of the following is not a physical component of an electronic circuit?
Capacitor
Inductor
Diode
Temperature
Which of the following is the correct relationship between temperature (T) and mobility (u) of electrons in electronic circuits?
u ∝ T-3/2
u ∝ T-1/2
u ∝ T
u ∝ T-1
What type of semiconductor is used in LED electronic circuits?
Intrinsic semiconductor
Compound semiconductor
Degenerate semiconductor
Compensated semiconductor
Mass action law is not valid for which type of semiconductors in electronic devices?
Compound
Elemental
Degenerative
Compensated
Which of the following effects is responsible for violating the mass action law in
degenerative type semiconductor electronic devices?
Thermal effect
Bandgap narrowing effect
Lattice vibration effect
Electronic drift effect
The deviation in the resistance of a resistor is known as
tolerance
capacitance
inductance
none of the above
An electronic component used to store electric charge is
inductor
resistor
capacitor
none of these
We can construct exclusive -OR gate using which other gates?
AND, NOT and OR gate only
AND and NAND gate only
OR gate only
all of these
When the temperature of the semi-conductor is increased, the conductivity will …
decreases
increases
same every time
all of the above
Which type of special purpose diode is formed by a metal and semiconductor?
Schottky
Varactor
Tunnel
Zener
The output of half wave rectifier is:
AC
Pulsating DC
Filtered DC
DC
When a PN junction is forward biased
Depletion region decreases
Minority carries are not Attested
Holes and electrons move away from junction
All of above
Which among the following is a current controlled device?
MOSFET
BJT
IGBT
JFET
Ceramic rings are used as _______.
Bonding agent
Strong coupler
Impedance regulator
Insulator
