| 1. | UJT is a ? | |
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current controlled device
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power controlled device
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voltage controlled device
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none of the above
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Report Question| 2. | A diac has ..... Terminal(s) ? | |
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one
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two
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three
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four
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| 3. | A triac can be considered as a combination of ? | |
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two diodes
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two SCRS
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two transistors
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one diode and one SCR
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| 4. | A thyristor equivalent of thyratron tube is a ? | |
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silicon controlled rectifier
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diac
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triac
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none of the above
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| 5. | A silicon controlled rectifier is a ? | |
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dual junction device
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unijunction device
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device with three junctions
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device with four junctions
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| 6. | A thyristor is basically a ? | |
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set of SCRs
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set of SCR, diac and a triac
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PNPN device
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a combination of diac and triac
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| 7. | A triac can be considered as a combination of ? | |
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one diode and one SCR
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two SCRS
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two diodes
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two transistors
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| 8. | SCRS are connected in series to enhance ? | |
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their current handling capability
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their voltage ratings
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their overall di/dt rating
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none of the above
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| 9. | An SCR is a ? | |
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four-layer four-junction device
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three-layer two-junction device
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four-layer three-junction device
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two-layer two-junction device
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| 10. | A UJT is a ? | |
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three-terminal two-junction semiconductor device
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two-terminal two-junction semi conductor device
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three-terminal one-junction semiconductor device
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two-terminal one-junction semi conductor device
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