Answer the following statement(s) true (T) or false (F)
1. The triac, like the SCR, must be phase shifted if complete control is to be gained over the AC voltage applied to it.
2. The UJT is an AC operated device.
3. The UJT can be used to supply the trigger pulses for the triac that needs both negative and positive pulses.
4. The capacitor cannot charge until the triac turns off at the end of the half cycle of alternating current.
5. The charge time of the capacitor is determined by the size of capacitor and the amount of resistance connected in series with it.
1. True
2. False
3. False
4. True
5. True
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