ELC 807
Quiz by rehab bakr
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- Q 1/20Score 0The electronic component shown below is a29OscillatorCoilCapacitorRelay
20 questions
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- Q1The electronic component shown below is aOscillatorCoilCapacitorRelay30s
- Q2From the transistor shown below how can you differentiate between emitter and collector by using multi meterThe small reading is emitterThe high reading is emitterNo readingHigh reading is collector30s
- Q3In the circuit shown below calculate the frequency1 M hz10 m hz10 hz10 M hz30s
- Q4What is the value of silver color if it is considered as the 3rd color in the resistor band?± 10 %x 0.01± 5 %x 0.130s
- Q5The colors of resistor equal to (3.2 Ω ± 10 %) are:Yellow – Red – Gold – SilverRed – Red – Gold – GoldOrange – Red – gold – silverRed – Red – Black – Gold30s
- Q6In the circuit shown below calculate the current across R3 would be1mA1µA10µA1A30s
- Q7Identify (name) the section 2 of regulated power supply belowInput ACRegulatorFilterRectifier30s
- Q8Identify the type of waveform as shown belowFilter waveformRectified waveformNone of the aboveHalf waveform30s
- Q9In DC power supply circuit the output of rectifier section isHalf cycle positive onlyHalf cycle negative onlyFull cycleNon above30s
- Q10In DC power supply circuit the output of regulator section isDC signalHalf signalPulsating signalAC signal30s
- Q11How much voltage is regulated by IC regulator 79H12- 12 V- 1.2 V+ 12 V2.1 V30s
- Q12In DC power supply circuit you can step down AC line voltage byRectifier BridgeIC regulatorCapacitorTransformer30s
- Q13The function for the component shown belowconverts the incoming signal from an AC format into pulsating DCResist the current passingSmoothing the signalRemove the ripple of the waveform30s
- Q14Identify (name) the section 5 of DC power supply circuit belowFilterOutput / LoadRectifierRegulator30s
- Q15In the circuit shown below, which component is used to adjust the circuitsensitivity?Light Dependent ResistorFixed ResistorTransistorVariable Resistor30s
