cameroon gce intermediate level 2024 electronic systems 1
cameroon gce intermediate level 2024 electronic systems 1
The colour code of a resistor of value 330ft±5% 9.
is
A orange. Red, Orange, Silver
B orange. Orange, Brown. Silver
C orange, Orange, Brown, Gold
D orange. Orange. Orange, Gold
2. When resistors arc connected in scries, the current
| flowing through each resistor is A zero |
10. |
B different
C same as applied voltage
D the same
The diode with reference BZX85C10 is a(n)
A zener diode
B rectifier diode
• C signal diode
D light emitting diode
The uncharged region within the PN junction of
the a semiconductor diode is called
A substrate layer
B emission layer
C depletion layer
D convergence layer
The two main characteristics of a resistor are 11.
A current and voltage
B resistance and Power
C current and power
D resistance and current
4. Resistors are generally available in the maximum
value of
A Mega ohm(Mft)
B Giga ohm(Gft)
C Kilo ohm(Kft)
D Tera ohm(ohm)
12. The output generated from a rectification circuit
is
A Filtered
B Rippled
C Scattered
D Distorted
5. The most common type of Resistor are
A carbon resistors
B wire wound resistors
C film type resistors
D fusible resistors
Photodiode and LED are combined together to
form a(an)
A zener diode
B avalanche diode
C transistor
D optocoupler
13.
6. At high frequency, wire wound resistor acts as
A capacitors
B diode
C transistors
D inductors
14. The reverse bias voltage applied to a diode
A Increase the minority charge carriers
B Decreases the barrier potential
C Increases the barrier potential
7. Resistors with power rating of 21w are D Increases the majority charge carriers
A Metal film type resistors
B Carbon composition resistors
C Wire wound resistors
D Fusible resistors
15. The ohm reading for a short circuited capacitor is
A Infinite
B Few kilo ohms
C Few mega ohms
8. The disadvantage of carbon composition resistors D Zero
is
A High power
B Low temperature coefficient
C Low noise
D Instability of resistance value
