WorksheetsS3 Electronics
Total questions: 15
Worksheet time: 8mins
In P type Semiconductors, the majority carriers will be.................
Electrons
Holes
both
phonons
What electronic component allows current to flow in one direction only?
Resistor
LED
Diode
Switch
what is this?
it is a transistor
it is a diode
it is a capacitor
it is a resistance
In a series circuit, which of the parameters remain constant across all circuit elements such as resistor, capacitor and inductor etc.?
voltage
current
both voltage and current
neither voltage and current
In a _________ circuit, the total resistance is greater than the largest resistance in the circuit.
Series
Parallel
Either series or parallel
Neither series nor parallel
The reverse current in a diode is of the order of ………………
kA
mA
uA
A
The forward voltage drop across a Germanium diode is about …………………
3.3 V
2.7 V
0.7 V
0.3 V
A zener diode is always ………… connected.
Forward
Reverse
Either reverse or forward
In the breakdown region, a zener diode behaves like a …………… source.
Constant voltage
Constant Resistance
Constant Current
The PIV rating of each diode in a bridge rectifier is ……………… that of the equivalent centre-tap rectifier
same
twice
half
three times
If the PIV rating of a diode is exceeded, ………………
the diode conducts poorly
the diode is destroyed
the diode behaves like a zener diode
none of the above
The maximum efficiency of a half-wave rectifier is ………………..
91.3
66.6
40.6
80.2
The diffused impurities with ________ valence electrons are called donor atoms.
4
3
5
0
