HomeTricks questionsTricky McQ on Basic electrical Tricky McQ on Basic electrical Education April 10, 2023 0 1➤ In a thyristor the magnitude of the anode current will: Increased if gate current is currentNo effect/remains unchanged Decreased if gate current is decreasedIncrease if gate current is increased2➤ A thyristor can termed as Square wave switchBoth a and BDC switchAC switch3➤ An ideal switch is Does not carry any current in any direction when it is offCarry current in any direction when it is onLosslessAll of these4➤ Which one of the following statements is TRUE?. Kirchhoff’s Law is not applicable to circuits with the distributed elementsKirchhoff’s Law is not applicable to the circuit with the non-linear resistanceKirchhoff’s Law is not applicable to the circuit with the non-linear resistanceKirchhoff’s Law is not applicable to the circuit with the passive elements 5➤ Which of the following defines power? EnergyWattThe rate at which energy is generatedThe rate at which energy is used 6➤ Which of the following is the correct definition of phasor? A color tag or band for the distinction between different phases of a 3 phase system A line representing the magnitude and direction of an alternating quantity A line which represents the magnitude and phase of an alternating quantityAn instrument used for measuring phases of an unbalanced 3-phase load7➤ An SCR is athree layer, single junction devicefour layer, two junction devicefour layer, four junction devicefour layer, three junction device 8➤ Light triggering mainly used in A. . B. . C. . D. medium voltage direct current transmissionlow - voltage direct current transmissionhigh voltage direct current transmissionall of these9➤ A triac Conducts when triggered in one directionConducts when not triggered in both directionConducts when not triggeredNone of the above10➤ At very high frequencies, the parallel RL circuit behaves as: A pure inductive circuitAn LC circuit A pure capacitive circuitA pure resistive circuit 11➤ Which of the following is TRUE for the characteristics of ideal current source? It is capable of supplying infinity power. It produces current, varying as per the voltage across it.Ideal current source can not be converted into voltage sourceIt has nearly zero resistance12➤ A semiconductor diode has –1.5V on its anode and – 2.5 on its cathode. The diode is In breakdownReversed biasedConductingNot conducting13➤ In a full wave rectifier circuit using centre trapped transformer, the peak voltage across half of the secondary winding is 30V. Then PIV is: . 45V60V15V30V14➤ Mutual inductance between two magnetically coupled coils depends on Cross sectional area of their common coreNumber of turns of the coilsPermeability of the core materialAll of the above15➤ The bandwidth of the parallel circuit is given by following expression in Hz. 1/ 2πRC 1 /RC1/ 2π R/LR/L SubmitYour score is Tags Tricks questions Newer Older