Question 16 (4 points) In the following circuit, the light bulb will energize when the pushbutton...
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Question 16 (4 points) In the following circuit, the light bulb will energize when the pushbutton switch is actuated. Assume that the supply voltage in each case is somewhere between 5 and 30 volts DC (with lamps and resistors appropriately sized): Determine if the circuit is properly designed. Either it will function perfectly, or function only once or twice before their transistors fail. The circuit is properly designed The circuit is NOT properly designed Question 17 (4 points) What is the right type of bipolar junction transistor for this switching circuit? +V +V Load Switch sourcing current to transistor NPN PNP Transistor sinking current from load Question 18 (4 points) What is the right type of bipolar junction transistor for this switching circuit? Switch sinking current from transistor NPN PNP +V Transistor sourcing current to load Load Question 19 (3 points) Suppose we have a Siemens S7-200 PLC connected to a pair of momentary-contact pushbutton switches and a light bulb as shown in this illustration: SIEMENS Lamp ....... C00000 0123433 AS 412341 13 " P Switch A Switch B 24 VDC Also examine the following relay ladder logic (RLL) program for this Siemens PLC: 10.7 Q0.1 11.2 Q0.1 What is the state of Q0.1 when Switch A is unpressed and Switch B is unpressed? ON OFF unable to determine Question 20 (3 points) Suppose we have a Siemens S7-200 PLC connected to a pair of momentary-contact pushbutton switches and a light bulb as shown in this illustration: SIEMENS 0 0 0 0 0 Lamp STOP " " er " " 1 00000 2002 00 000000002 Switch A Switch B 24 VDC Also examine the following relay ladder logic (RLL) program for this Siemens PLC: 10.7 Q0.1 11.2 Q0.1 What is the state of Q0.1 when Switch A is pressed and Switch B is pressed? ON OFF unable to determine Question 16 (4 points) In the following circuit, the light bulb will energize when the pushbutton switch is actuated. Assume that the supply voltage in each case is somewhere between 5 and 30 volts DC (with lamps and resistors appropriately sized): Determine if the circuit is properly designed. Either it will function perfectly, or function only once or twice before their transistors fail. The circuit is properly designed The circuit is NOT properly designed Question 17 (4 points) What is the right type of bipolar junction transistor for this switching circuit? +V +V Load Switch sourcing current to transistor NPN PNP Transistor sinking current from load Question 18 (4 points) What is the right type of bipolar junction transistor for this switching circuit? Switch sinking current from transistor NPN PNP +V Transistor sourcing current to load Load Question 19 (3 points) Suppose we have a Siemens S7-200 PLC connected to a pair of momentary-contact pushbutton switches and a light bulb as shown in this illustration: SIEMENS Lamp ....... C00000 0123433 AS 412341 13 " P Switch A Switch B 24 VDC Also examine the following relay ladder logic (RLL) program for this Siemens PLC: 10.7 Q0.1 11.2 Q0.1 What is the state of Q0.1 when Switch A is unpressed and Switch B is unpressed? ON OFF unable to determine Question 20 (3 points) Suppose we have a Siemens S7-200 PLC connected to a pair of momentary-contact pushbutton switches and a light bulb as shown in this illustration: SIEMENS 0 0 0 0 0 Lamp STOP " " er " " 1 00000 2002 00 000000002 Switch A Switch B 24 VDC Also examine the following relay ladder logic (RLL) program for this Siemens PLC: 10.7 Q0.1 11.2 Q0.1 What is the state of Q0.1 when Switch A is pressed and Switch B is pressed? ON OFF unable to determine
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