Indicate if the power thyristor will be on or off under the following conditions: a The thyristor was reverse biased, then a current pulse was injected into the gate. The thyristor is b. The thyristor was reverse biased, a current pulse was injected into the gate, then the thyristor was forward biased. The thyristor is c. The thyristor was forward biased, then a current pulse was injected into the gate. The thyristor is d. The thyristor was forward biased, a current pulse was injected into the gate, then the thyristor was reverse biased. The thyristor is

Indicate if the power thyristor will be on or off under the following conditions: a The thyristor was reverse biased, then a current pulse was injected into the gate. The thyristor is b. The thyristor was reverse biased, a current pulse was injected into the gate, then the thyristor was forward biased. The thyristor is c. The thyristor was forward biased, then a current pulse was injected into the gate. The thyristor is d. The thyristor was forward biased, a current pulse was injected into the gate, then the thyristor was reverse biased. The thyristor is

EBK ELECTRICAL WIRING RESIDENTIAL

19th Edition

ISBN:9781337516549

Author:Simmons

Publisher:Simmons

Chapter19: Special-purpose Outlets-water Pump, Water Heater

Section19.2: Water Heater Branch Circuit

Problem 22R

See similar textbooks

Similar questions

Determine the voltage in Volts at the open terminals a and b where V1=15 Volts and V2=17 Volts.
please show the correct solution.. In voltage divider bias, operating point is 3 volts, 2mA. If VCC=9volts, RC=2.2K ohms, what is the value of RE? (answer is 800 ohms)
standard multi ratio current transformer is to be used with ammeter to measure the current in the line. The reading in the ammeter is 8.5 A. The initial setting of the CT is 1500:5. What will be the reading in the ammeter if the setting is changed to 800:5?
Normally tap changer selection range + or - _____ % in steps of 2.5 %. Three resistors are connected in series with 50, 40, and 20 ohms, connected across a 220 volts supply what is the voltages across 40 ohms resistor? Three resistors are connected in parallel with 50, 40, and 20 ohms, connected across a 220 volts supply what is the current in the 40 ohms resistor? Three resistors are connected in series with 50, 40, and 20 ohms, connected across a 220 volts supply what is the voltages across 20 ohms resistor?
18. Four electricians are discussing Edison-Base fuses. Electrician A says that he plans to install them in anew building where no circuit is more than 125 volts or 30 amperes. Electrician B says that when replacingan existing installation, you must check for tampering. Electrician C says that when replacing an existinginstallation, checking for tampering is suggested but not required. Electrician D says that he plans to installthem in a new building where circuits can be more than 125 volts or 30 amperes. Which of the followingstatements is correct?A. Electrician A is correct.B. Electrician C is correct.C. Electrician D is correct.D. Electrician B is correct.
4 thyristors rated 200 V in series. The operating voltage of the string is 600 V. Derating factor of the string is?
Six dry cells having emfs of 12.10, 12.22, 12.30, 12.40, 12.35, 12.60, 12.25 Volts and resistancesof 0.42, 0.25, 0.40, 0.20, 0.35, 0.18, 0.32 Ohm, are connected in series to operate a lamp ofresistance 25 Ohms. Determine current, power lost in battery, power to lamp and efficiency of thesystem.
There are 32 solar cells in the solar system, and each one has the qualities listed below: Voc is set at 0.75 volts, while Isc is set at 2 milliamperes. Open circuit voltage and short circuit current will be if all four cells are in series and the groups are linked in parallel.
17. Which of the following measurements should be recorded in installation documentation?A. Multimeter measurementsB. OTDR measurements onlyC. Power meter measurements onlyD. All power meter and OTDR measurements
9. What is the minimum ampacity of the wire that can be used for a 30A branch circuit? a. 30A b. 20A c. 25A d. 40A
An addition is being planned to a school building. You have been asked to determine the load that will be added to the panelboard that will serve this addition. The addition will be a building 80 ft × 50 ft. It will consist of four classrooms, each 40 ft × 20 ft, and a corridor that is 10 ft wide. The following loads will be installed: Each classroom: 12 fluorescent luminaires, 2 ft × 4 ft @ 85 VA each 20 duplex receptacles AC unit, 208-volt, 1-phase @ 5000 VA Corridor: 5 fluorescent luminaires, 1 ft × 8 ft @ 85 VA each 8 duplex receptacles Exterior: 4 wall-mounted luminaires @ 125 VA each 4 duplex receptacles
What type of FET that the two channels are enhanced after applying proper voltage at the gate