Description : A negative damper with negative bias clamps the most positive extremity of the output wave shape to what polarity (positive or negative)?
Last Answer : Negative potential.
Description : What type damper (with bias) clamps the most negative extremity of the output waveform to a negative potential?
Last Answer : Positive clamper with negative bias.
Description : A negative damper damps which extremity of the output waveshape to 0 volts?
Last Answer : Most positive.
Description : A positive damper clamps which extremity of the output signal to 0 volts?
Last Answer : Most negative.
Description : To which polarity does a positive damper with positive bins clamp the most negative extremity of the output waveform (positive or negative)?
Last Answer : Positive potential.
Description : What would be the output of a negative clamper with a bias potential of −5 volts and an input voltage swing from +50 to −50 volts?
Last Answer : -5 volts.
Description : Which breakdown theory explains the action that takes place in a heavily doped PN-junction with a reverse bias of less than 5 volts?
Last Answer : Zener effect.
Description : Why are the ends of the wire clamped down after a Western Union splice is made?
Last Answer : To prevent damage to the tape insulation.
Description : Why should a synchro be rechecked for zero after it is clamped down?
Last Answer : To ensure that it did not move off zero while it was being clamped.
Description : A flue damper and a vent damper are two examples of _______ a. Combustion air positive shut off devices b. Combustion air negative shut off devices c. Both a. & b. d. None of the above
Last Answer : a. Combustion air positive shut off devices
Description : How does dc bias added to the input signal correct the distortion in the output signal?
Last Answer : The dc bias moves the input signal away from the step in the magnetism curve. This prevents the input signal from crossing the zero-point of the magnetism curve.
Description : What is the calculated voltage at the positive and negative terminals of the battery shown in the illustration if each cell has a voltage of 1.5 volts? EL-0034 A. 1.5 volts B. 3.0 volts C. 6.0 volts D. 12.0 volts
Last Answer : Answer: A
Description : What is the average voltage (Eavg) Output of a full-wave rectifier with an output of 100 volts peak?
Last Answer : 63.7 volts.
Description : If the output of a half-wave rectifier is 50-volts peak, what is the average voltage
Last Answer : 15.9 volts.
Description : What is the average voltage (Eavg) output of a full-wave rectifier that has an output of 100 volts peak?
Last Answer : 63.6 volts.
Description : Batteries 'A' and 'B' shown in the illustration are 6 volts each and batteries 'C' and 'D' are 24 volts each. If 'A' were connected in series-opposing to 'C' and 'B' was similarly ... the top terminal C. 30 volts, negative at the bottom terminal D. 30 volts, positive at the bottom terminal
Description : If a 6 volt battery were connected in series with a 24 volt battery by putting their negative terminals together, what would be the result? A. 'Zero' volts B. 12 volts of the opposite polarity C. 18 volts, positive on the 24 volt battery D. 30 volts, negative on the 24 volt battery
Last Answer : Answer: C
Description : Batteries 'A' and 'B' shown in the illustration are 6 volts each and batteries 'C' and 'D' are 24 volts each. If 'A' and 'B' were reconnected to be in series-opposing to 'C' and 'D' ... at the top terminal C. 30 volts, negative at the bottom terminal D. 30 volts, positive at the bottom terminal
Description : What is the relative length of the discharge time constant with respect to the charge time constant of a damper (long or short)?
Last Answer : Long time constant.
Description : What is the relative length of the time constant for the diode capacitor combination in a damper (long or short)?
Last Answer : Short time constant.
Description : What is added to a sawtooth generator to produce a trapezoidal wave?
Last Answer : A resistor.
Description : If a half-wave rectifier is added to a half-wave voltage doubler, the resulting circuit is a voltage ___
Last Answer : Trippler.
Description : If you printed out a fake parking ticket, and clamped it under your wiper, so you could park for free, how likely is it for this ploy to succeed?
Last Answer : Wow! Brilliant idea. Would only work during the shift change for the bylaw officer. They would remember who got what parking tickets.
Description : Which of the following is not a function of washer? a) Distributes load over a large area of clamped parts b) Provides bearing surface over large clearance bolts c) Prevents marring of the bolt head and nut surface d) Helps in locking of the fastener
Last Answer : d) Helps in locking of the fastener
Description : A bullet is fired with a muzzle velocity of 1000 meters per second from a rifle clamped to a window 4.9 meters above ground level. Neglecting air resistance, the horizontal distance from the rifle at which the bullet will strike the ground is w) 4.9 meters x) 500 meters y) 1000 meters z) 4900 meters
Last Answer : ANSWER: Y -- 1000 METERS
Description : What type of bias is used where only moderate changes in ambient temperature are expected?
Last Answer : Self-bias.
Description : What type of bias is required for proper operation of a photodiode?
Last Answer : Reverse bias.
Description : What type of bias is required to cause an LED to produce light?
Last Answer : Forward bias.
Description : What type of bias makes a diode act as a closed switch?
Description : What type of bias opposes the PN junction barrier?
Last Answer : Forward.
Description : What type of bias requires constant current flow through the cathode
Last Answer : Cathode biasing.
Description : Which portion of a sine-wave input is retained in the output of a series-negative limiter?
Last Answer : Positive.
Description : Which portion of a sine-wave input is retained in the output of a series-positive limiter?
Last Answer : Negative.
Description : What is the effect upon an electron that enters the buncher gap when the potential across the grids is at 0 volts?
Last Answer : There is no effect
Description : Express the following in more simple terms. (a) 250,000 volts, (b) 25,000,000 microvolts, (c) 0.001 millivolt.
Last Answer : (a) 250 kV, (b) 25 V, (c) 1µV
Description : If a voltage (positive or negative) is measured on the "1" output of a flip-flop, what state is it in?
Last Answer : SET state.
Description : How can a series-positive limiter be modified to limit unwanted negative portions of the input signal?
Last Answer : Biasing.
Description : Does a rectifier tube conduct on the positive or negative alternation of the input signal?
Description : If the load requirement consists of both positive and negative voltages, what technique is used in the voltage divider to supply the loads from a single voltage source?
Last Answer : The ground (reference point) is placed in the proper point in the voltage divider so that positive and negative voltages are supplied
Description : Which digital data encoding method records a digital one as a positive pulse and a digital (zero) as a negative pulse and returns the tape to neutral between pulses?
Last Answer : Return-to-zero (RZ) encoding.
Description : An electron moves into the electrostatic field between a positive charge and a negative charge. Toward which charge will the electron move?
Last Answer : Toward the positive charge.
Description : How do electrons get from the negative electrode to the positive electrode?
Last Answer : By current flow through the load.
Description : What is another name for the (a) positive electrode, and the (b) negative electrode?
Last Answer : a) The anode, (b) the cathode.
Description : Which is not true about Heat (Q): a. Q is positive when heat is added to the body or system b. Q is negative when heat is rejected by the body or system c. Q is positive when heat is rejected by the body or system d. None of the above
Last Answer : Q is positive when heat is rejected by the body or system
Description : To properly bias an NPN transistor, what polarity voltage is applied to the collector, and what is its relationship to the base voltage?
Last Answer : Positive, more positive.
Description : What is the most widely used combination-bias system?
Last Answer : The voltage-divider type.
Description : Applying a reverse bias to the gate of an FET has what effect?
Last Answer : Source-to-drain resistance increases.
Description : When the reverse bias on a varactor is increased, what happens to the effective capacitance?
Last Answer : Capacitance decreases.
Description : What is used to bias a magnetic amplifier so that the control winding remains free to accept control (input) signals?
Last Answer : A bias winding and associated circuitry.