cameroon gce intermediate level electronic circuits 1
cameroon gce intermediate level electronic circuits 1
A dry cell of 6V with an internal resistance of
2.5Ω supplies a load resistor of 5Ω. The power
dissipated
by the load is
A | 3.2W |
B | 3.4W |
C | 3.6W |
D | 3.8W |
2. | The barrier potential of a silicon diode at room temperature is |
A | 1V |
B | 0.7V |
C | 2mV |
D | 300mV |
3. | If the input frequency of a full wave rectifier with two diodes is 50Hz, the output frequency is |
A | 50Hz |
B | 60Hz |
C | 100Hz |
D | 25Hz |
4. | A Zener diode is mostly used as |
A | An integrator |
B | A differentiator |
C | A regulator |
D | A multivibrato |