cameroon gce intermediate level photovoltaic systems 1
cameroon gce intermediate level photovoltaic systems 1
1. A semiconductor is a material
| A | Whose electrical conductivity is like that of a good conductor |
| B | Made to resist completely the flow of electrons |
| C | That partially allows current to go through it |
| D | Whose electrical conductivity is like that of an insulator |
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2. Which of the following is a semiconductor used
for photovoltaic cell production
| A | Silicon |
| B | Phosphorus |
| C | Carbon |
| D | Argon |
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3. Which of the following is true about electrons
| A | Electrons flow from positive terminal to the negative terminal |
| B | Electrons flow from negative terminal to positive terminal |
| C | Electrons are stagnant |
| D | Electrons movement cannot generate electricity |
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4. A photovoltaic cell generates a kind of current
that is described as
| A | Unidirectional current |
| B | Alternating current |
| C | Alternating variable constant current |
| D | Pulsating current |
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5. A solar panel is described as
| A | A device that reflects electrical signal on surface |
| B | An assembly of photovoltaic solar cells |
| C | A device used in converging light rays |
| D | A device used in storing electrical energy |
