163151. Which among the following is an active element?
163152. A SPDT switch has ON positions:
163153. Fuses protect the electric circuit against excessive:
163154. One of the following is not associated with PCB development process :
163155. The impurity atoms added to make a N type semiconductor are called
163156. Example for a pentavalent impurity atom is :
163157. The barrier voltage for Ge
163158. A reverse biased diode is equivalent to an ideal diode in series with a resistance in the range of :
163159. Zener diodes with breakdown voltage more than 6V operate under :
163160. Which among the following operates in the reverse biased mode?
163161. The PIV of a diode in a half wave rectifier is:
163162. Find the D.C output voltage of a half wave rectifier circuit that operates at 230V, 50Hz AC supply with a transformer of turns ratio 10:1:
163163. The basic application of an inductive filter is in acircuit with:
163164. The % voltage regulation of a power supply which gives 95V under full load condition and 100V at no load condition is:
163165. SCR is:
163166. Which among the follwing is a bidirectional device with a gate control Which among the following is a bidirectional device with a gate control?
163167. For proper amplification, a transistor must operate in theregion.
163168. Thermocouple is a:
163169. A transistor amplifier connected in configuration has the highest voltage gain.
163170. The power dissipation capability of a transistor can be increased by using a :
163171. Which type of amplifier are used in the initial stages of PA system?
163172. When sine wave is given to an amplifier, the output exists for less than a half cycle. This is an example for-------------amplifier.
163173. In order to match a 16Ω loud speaker to an amplifier to get an effective load of lOΩ, the transformer must be with turns ratio :
163174. In a class B push pull amplifier the output signal gets distorted, with a time interval between the positive and negative half cycles. This is called------------ distortion.
163175. FET is a controlled device.
163176. Type of feedback used in oscillator is
163177. In a Hartley oscillator, the tank circuit has a capacitance of 0.01 puF and an inductance of 50mH. Determine the frequency of oscillation
163178. The oscillator generally used to generate signals in the audio frequency range is :
163179. A single stage CE amplifier introduces a phase shift of-----in the output signal.
163180. A bistable multivibrator circuit changes from one state to the other:
163181. A circuit that generates a square wave from a sine wave is :
163182. The criteria for a good differentiating circuit is that its time constant should be :
163183. A circuit in which a lamp is controlled by two switches in series is equivalent to a logic gate. Identify the gate:
163184. The word 'TELE’ in TELEVISION means :
163185. Dimension of a TV receiver is specified by —— of the screen.
163186. Which among the following is not a complimentary colour :
163187. The dominant spectral colour of the received light is termed as :
163188. Grassmans law is:
163189. Audible frequency range is:
163190. Which of the following is not related to a tape recorder?
163191. Highest capacity in an optical disc can be obtained by using a laser beam of
163192. Microwave frequencies are used for satellite communication because :
163193. The duration of H sync pulse is :
163194. TV channels used in India are in the ---------- hand.
163195. The intercarrier frequency used for TV transmission in India is :
163196. CCIR-B standard is popularly known as_____system.
163197. The TV programmes in America are brighter than in UK, because of:
163198. Vidicon camera tube is based on the principle of:
163199. Night Vision camera tubes are sensitive to :
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