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You Are On Multi Choice Question Bank SET 1003

50151. A simple three-phase generator consists of three conductive loops separated by 120°.

50152. A balanced load is one in which all the impedances are equal.

50153. The term squirrel-cage applies to a type of three-phase ac generator.

50154. A simple two-phase generator consists of two conductive loops separated by 90°, rotating in a magnetic field.

50155. An alternator is an electromechanical ac generator.

50156. The stator is the rotating assembly in a generator or motor.

50157. In a three-phase system, the voltages are separated by

50158. In a three-phase system, when the loads are perfectly balanced, the neutral current is

50159. In a -connected source driving a -connected load, the

50160. In a certain three-wire Y-connected generator, the phase voltages are 2 kV. The magnitudes of the line voltages are

50161. In a -connected source feeding a Y-connected load,

50162. Majority of fat in whole milk power is present as

50163. Bluish green color of ghee is due to

50164. Vieth ratio is

50165. Buttery coconut flavor of ghee is due to

50166. ---------------is used to avoid any risk of contamination of the pasteurized product by unpasteurized product or cooling medium

50167. Referring this circuit, determine the maximum output voltage when a single pulse is applied as shown. The total resistance is 60 .

50168. A steady-state condition is reached when

50169. Referring to the give circuit, the output will

50170. A single 6 V pulse with a width of 600 s is applied to an integrator consisting of a 150 k resistor and a 0.002 F capacitor. To what voltage will the capacitor charge?

50171. To understand how the output voltage is shaped by a differentiator, you must consider

50172. If the capacitor in an integrator becomes leaky,

50173. Referring to the above figure, determine the voltage level that the output will reach during the pulse.

50174. An RC differentiator acts as a

50175. In an RL differentiator, when the input pulse goes from its low level to its high level,

50176. Referring this figure, on the falling edge,

50177. In an RC differentiator, responding to repetitive pulses, the average value of the output

50178. The output of an RC integrator is taken across the

50179. In an RC differentiator, the sum of the capacitor voltage and the resistor voltage at any instant

50180. When a 24 V input pulse with a width equal to five time constants is applied to an RC integrator, the capacitor charges to

50181. If the RC time constant of an integrator is increased, as the time constant is increased

50182. If a periodic pulse waveform has a pulse width and the time between pulses each equal to or greater than five time constants, the capacitor will

50183. What is the highest frequency contained in a pulse that has a rise and fall time equal to 10 microseconds (10 s)?

50184. Referring to Problem 7, how much will the capacitor charge if the pulse width is increased to 12 ms?

50185. In electronic systems, repetitive-pulse waveforms are encountered

50186. In an RC differentiator, the capacitor

50187. The flat portions of a pulse waveform contain low-frequency components.

50188. In an RL differentiating circuit, the output voltage is taken across the resistor.

50189. In an RC integrating circuit, the output voltage is taken across the capacitor.

50190. A dc component is the peak value of a pulse waveform.

50191. In an RL integrating circuit, the output voltage is taken across the inductor.

50192. If the capacitor in an integrator opens, the output has the same voltage as the input.

50193. The rising and falling edges of a pulse waveform contain the higher frequency component.

50194. In an electric circuit, the reaction of a circuit to a given pulse input is known as the pulse response.

50195. In an RC differentiating circuit, the output voltage is taken across the resistor.

50196. In an integrator, when the pulse width of the input is much less than the transient time, the output voltage approaches the shape of the input.

50197. When a 15 V input pulse with a width equal to two time constants is applied to an RC integrator, the capacitor charges to

50198. An integrator consists of a 3.3 k resistor and a 2 F capacitor. A single 30 V, 6 ms pulse is applied to the input. How much will the capacitor charge?

50199. Referring to Problem 5, how long will it take the capacitor to discharge if the internal resistance of the pulse source is 100 ?

50200. With an RL integrator, at the instant of the rising pulse edge,

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