Leadership development program Interview Questions | Glassdoor

# Leadership development program Interview Questions

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### Innovative Leadership Project Electrical Engineer 2014 (Analog) at Lutron was asked...

Nov 21, 2013
 Q2: A pnp transistor with its base connected to a voltage source, the V source is connected to a +10V source. The emitter of the transistor is connected to a resistance, and then to the same +10V source. The collector side is connected to a capacitor, which is not charged at t=0-. Given the graph of Vsource = 10 V stepping up at t = 0 to further, draw the graph of Vout. Vout is between the point of collector and capacitor. 3 AnswersANS: Vout should be constantly -10V until t=0, and will hit V=0 V linearly from V=-10 V after t=0.Hi, Can you explain why it linearly increases? Are you assuming that Collector is tied to -10V? The pnp transistor is completely cutoff for the given biasing. The only way the capacitor is going to charge is through leakage currents. It is very slow and takes a lot of time. Please advise me if my analysis is correct.I just made it back from Lutron's HQ and I was asked for the same question. My first approach will be identifying a PNP BJT, and elaborating all 4 BJT operating regions. Before t = 0, since q = 0, by using Q = CV, we can tell that the voltage across the capacitor is 0. Hence, Vo = -10V before t = 0. Recall the capacitor's current equation: I = C*(dv/dt), we can solve for the slope of changing voltage -> dv/dt = I/C. Here, I is simply the BJT's collector current, which can be found by looking at the BJT's emitter current. Given that the (beta) parameter is infinite, we see the base current to be 0. Now, at this point, we need to look for I_E. Since the R is given to be 9.3k, and VEE = 10V, it is natural to assume V_EB = 0.7V, and thus the voltage across R = 9.3V. Therefore, I_E = 9.3/9300 = 1mA. Voila, we now values for all currents: I_E = I_C = 1mA, and I_B = 0A. Plug the I_C value into the equation: I_C/C = dv/dt (C = 1uF). We know that the slope of the voltage change is 1000V/second, or 1 Volt per millisecond. Now, we know the capacitor voltage raises at 1V/ms from -10V, but we also need to know where is the upper limit. Looking back to the BJT basics about operating regions and BJT's 2-diode model, it is not hard to identify that this PNP BJT must operate in "Saturation" region (NOT IN "ACTIVE" REGION!). The boundary of that region is V_BC <= 0.7V (I hope everybody is able to solve for this). Hence, 0.7V will be the upper limit for capacitor voltage. At this point, you will have a flat line at Vo = -10V before t = 0. and raises at 1V/ms for 10.7ms and hit Vo = 0.7V. From t = 10.7ms and on, the Vo stays at 0.7V.

Mar 23, 2011

Oct 12, 2016

Apr 7, 2010
 How are M&M's made?11 AnswersI said that the chocolate was solid and then dipped into the candy shellThey use hybrid dung beetles to roll the balls in candy coating! Going Green at M&M'swith magic. that's why some of them talk.Show More ResponsesReply back asking exactly how many M&Ms will you be expected to make each day.Say, "through teamwork!" Then turn to the nearest mirror, smile wildly and give an energetic thumbs-up! (It is best to assume it is a one-way mirror and that you are being watched)."Deliciously"One batch at a time.When a Mommy M and a Daddy M love each other very, very much.... Seriously, they make the chocolate first, cool it, separate them into their smaller spheres, then put into Panners where the sugar layers are added, dyed the different colors, then waxed (no kidding, very thin layer though). Then they go down a conveyor belt to get the M stamped on them.elves. i'm quite certain they are made by elves. how else would they talk, and refuse to get in the bowl.Two theories. 1.) They are coated with the shell and then while the shell is still liquid dropped from such a height that the shell cools on the way down therefore making the shell perfect with no seam or spot where it was set down. 2.) Put into molds, shell is pumped into molds then the candy is tumbled to remove the spot where the shell was injected, this will also make the candy shiney I have a feeling its probably number 2 but my mom posed this question to me when I was like 7 and I came up with the first answer, it always seemed much coolerRelocation

May 11, 2016

Oct 20, 2009

### Leadership Development Program at E. & J. Gallo Winery was asked...

Feb 17, 2020
 Why do you want to work for Gallo? 4 AnswersWhy do you think you would be a good fit here?I know about my work experienceBecause I want to money for using myselfShow More ResponsesBecause I think that I have my own personal experience and I am very interested in the job and I am keen to work with you

Feb 24, 2017
 Why do you think you'd be a good fit for this program?4 AnswersI am in the same position, however, it is for the July 2017 cohort. I applied through a college job board so I have no recruiter per say. The've provided me with the eligibility email and I guess it will be a waiting game.I will be joining the July 2017 cohort as well. I didn't have a specific recruiter either, but there's an email address at the bottom of that eligibility email that you should be able to contact.Did anyone receive placement yet for the July 2017 cohort? If so, how long did it take after the eligibility email was sent until you received placement?Show More ResponsesTook about 3-4 months to receive placement