cameroon gce A level 2024 electrical and electronic circuits 1

cameroon gce A level 2024 electrical and electronic circuits 1

cameroon gce A level 2024 electrical and electronic circuits 1

The superposition theorem is essentially based on the
concept of
A duality
B linearity
C reciprocity
D non–linearity
j.
9. The Op–Amp can amplify
A AC signal only
B DC signal only
C Both AC and DC signals
D Neither AC, nor DC signals
/WAJ AAAA AAAA AAAA
R1 R 2 R3 R4
* 200V*
Figure 2
If in figure 2, resistor R2 becomes open–circuited, the
reading of the voltmeter will become
A 0V
B 150V
C 50V
10. Two heaters, rated at 1000W, 250V each are
connected in series across a 250V–50Hz AC mains.
The total power drawn from the supply will be
A 1000W
B 500W
C 250W
D 2000W
D
11 . The value of the resistor with the following colour:
brown–black–orange–gold is
A 100ft
B lOkft
C lkft
D lOOkft
4. The statements which is TRUE both for a series and
a parallel d.c circuit is
A powers and additive
B voltages are additive
C currents are additive
D elements have individual currents
12. . In circuit analysis, MOSFET stand for
A Metal Oxides Semiconductor Field Effect
Transistor
B Metallic Oxides Semiconductor Field
Effect Transistor
C Metal Oxides–Semiconductor Field Effect
Transistor
D Metallic Oxides Semiconductor Field
Effect Transistor
5. A 100–W, 110V and a 50W, 110V lamps are
connected in series across a 220V d.c sources. If the
resistance of the two lamps is assumed to remain
constant, the voltage across the 100W lamp will be
A 110V
B 73.3V
C 146.7V
D 220V
6. KirchofPs current law is applicable only to
A closed loops in a network
B electronic circuits
C junction in a network
D electric circuits