cameroon gce intermediate level electrical and electronic circuit 1
cameroon gce intermediate level electrical and electronic circuit 1
1. Identify the component which is not a
semiconductor.
| A | Thyristor |
| B | Diode |
| C | Capacitor |
| D | Transistor |
_______________________________________________
2. Resonance will occur in the RLC circuit of fig 1
when:
V,f
R=25Ω XL=20Ω Xc=30Ω
I
Fig 1
| A | When XL=XC=30Ω |
| B | When XL=XC=20Ω |
| C | When XL=XC=25Ω |
| D | When Z=25Ω |
_______________________________________________
3. The symbol which represents exclusive NOR gate
is:
| A |
| B |
| C |
| D |
_______________________________________________
4. The voltage across the 1μF capacitor of fig 2 is:
1µF 2µF
300V
Fig 2
| A | 200V |
| B | 20V |
| C | 220V |
| D | 100V |
_______________________________________________
5. Two resistors are said to be connected in parallel if
| A | both carry the same value of current |
| B | total current equals the sum of branch currents |
| C | sum of voltage drops equals the applied emf |
| D | same current passes in turn through both |
