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Worksheetssem 2 mod 3 and 4
Total questions: 67
Worksheet time: 34mins
What are the basic components required for a clipping circuit?
A Diode and resistor | रयो और रजिस्टर
B Transistor and diode | ट्रांजिस्टर और रयो
C Diode and capacitor | रयो और सांिरररत्र
D Capacitor and resistor | सांिरररत्र और रजिस्टर
What is the name of circuit?
A Half wave rectifier | हरफ वेव रेजक्ट्टफरयर
B Full wave rectifier | फुल वेव रेजक्ट्टफरयर
C Combination clipper | सांयोिन जक्ट्लपर
D DC restorer circuit | ीसी ररस्टोरर सककड ट
Which circuit gives the output waveform?
A Peak clipper | पीक जक्ट्लपर
B Combination clipper | सांयोिन जक्ट्लपर
C Biased negative clipper | बरयस् नेगेदटव जक्ट्लपर
D Biased positive clipper | बरयस् पॉजिदटव जक्ट्लपर
4 Which circuit is used to clip portion of both positive and negative half cycle of input signal voltage?
A Combination clipper circuit | सांयोिन जक्ट्लपर सककड ट
B Biased negative clipper circuit | बरयस् नेगेदटव जक्ट्लपर सककड ट
C Biased positive clipper circuit | बरयस् पॉजिदटव जक्ट्लपर सककड ट
D Unbiased clipper circuit | अनबरयस् जक्ट्लपर सककड ट
Which application the clamper circuit is used in electronics?
A Radars | र रर
B Radio receivers | रेड यो ररसीवर
C Storage counters | स्टोरेि करउां टर
D Power supplies | पॉवर स्लरई
What is the use of clamper in electronic circuits?
A For slicing both peaks | िोनों पीक को खखसकरने केललए
B For positive peak clipping | पॉजिदटव पीक जक्ट्लवप ांग केललए
C For negative peak clipping | नेगेदटव पीक जक्ट्लवप ांग केललए
D For DC component restoration | ीसी कॉम्पोनेफट रेस्टोरेशन केललए
What is the name of the circuit that shifts the original signal in a vertical downward direction?
A Peak clipper circuit | पीक जक्ट्लपर सककड ट
B Negative clamping circuit | नकरररत्मक क्ट्लैंवप ांग सककड ट
C Positive clamping circuit | सकरररत्मक क्ट्लैंवप ांग सककड ट
D Combination clipper circuit | सांयोिन जक्ट्लपर सककड ट
What is the function of the circuit diagram?
A Series diode clipper | श्ांखृ लर रयो जक्ट्लप
B Positive shunt clipper | सकरररत्मक शांट जक्ट्लपर
C Negative shunt clipper | नकरररत्मक शांट जक्ट्लपर
D Combination clipper | सांयोिन जक्ट्लपर
What is the function of the circuit diagram?
A Negative series clipper | नकरररत्मक श्ांखृ लर जक्ट्लप
B Series diode clipper | श्ांखृ लर रयो जक्ट्लपर
C Positive shunt clipper | सकरररत्मक शांट जक्ट्लपर
D Negative shunt clipper | नकरररत्मक शांट जक्ट्लपर
80 Which circuit gives the output waveform?
A Negative clipper | नकरररत्मक जक्ट्लपर
B Biased negative clipper | बरयस् नकरररत्मक जक्ट्लपर
C Combination clipper | सांयोिन जक्ट्लपर
D Positive shunt clipper | पॉजिदटव शांट जक्ट्लपर
Which type of clipper is that a small portion of the negative half cycle of signal is removed?
A Biased positive clipper | बरयस् सकरररत्मक जक्ट्लपर
B Biased negative clipper | पक्षपरती नकरररत्मक जक्ट्लपर
C Combination clipper | सांयोिन जक्ट्लपर
D Positive clamper | पॉजिदटव क्ट्लैपर
What is the name of the circuit that shifts the waveform upward or downward without disturbing its shape?
A Clipper circuit | जक्ट्लपर सककड ट
B Clamper circuit | क्ट्लैपर सककड ट
C Biased clipper circuit | बरयस् जक्ट्लपर सककड ट
D Combination clipper circuit | सांयोिन जक्ट्लपर सककड ट
Which circuit gives the output waveform?
A Peak clipper | पीक जक्ट्लपर
B Combination clipper | सांयोिन जक्ट्लपर
C Biased Negative clipper | बरयस् नकरररत्मक जक्ट्लपर
D Biased positive clipper | बरयस् सकरररत्मक जक्ट्लपर
What is the function performed by the circuit?
A Positive clamper | पॉजिदटव क्ट्लैपर
B Combination clipper | सांयोिन जक्ट्लपर
C Biased positive clipper | बरयस् सकरररत्मक जक्ट्लपर
D Biased negative clipper | बरयस् नकरररत्मक जक्ट्लपर
85 What is the function of clipper circuit?
A Regulation | रेगलु ेशन
B Rectification | रेक्ट्टीकफके सन
C Amplification | ऐम््लफके शन
D Wave shaping | वेव शेवप ांग
What is the name of the circuit that shifts the original signal in a vertical upward direction?
A Peak clipper circuit | पीक जक्ट्लपर सककड ट
B Negative clamping circuit | नकरररत्मक क्ट्लैंवप ांग सककड ट
C Positive clamping circuit | सकरररत्मक क्ट्लैंवप ांग सककड ट
D Combination clipper circuit | सांयोिन जक्ट्लपर सककड ट
Which circuit shapes the input signal and gives the output waveform?
A Negative clamper | नेगेदटव क्ट्लैपर
B Positive clamper | पॉजिदटव क्ट्लैपर
C Negative shunt clipper | नकरररत्मक शांट जक्ट्लपर
D Positive shunt clipper | पॉजिदटव शांट जक्ट्लपर
What should be the time constant t = RC for a good clamper circuit with reference to time period of the input signal?
A Half the time period of signal | लसग्नल की आिी समयरवचि
B Double the time of signal frequency | लसग्नल फ्रीक्ट्वेंसी कर िोगनु र समय
C Five times the time period of signal | लसग्नलकी परांि बरर समयरवचि
D RC valves should be at least ten times | आरसी वरल्व कम सेकम िस बरर होनर िरदहए
What is the value of output voltage during the negative half cycle across the diode in the negative clamper circuit shown? (R value is very high)
A Zero voltage | शफूय वोल्टेि
B Equal to input voltage | इनपटु वोल्टेि केबररबर
C Double the input voltage | इनपटु वोल्टेि को िोगनु र करें
D Half of the input voltage | इनपटु वोल्टेि कर आिर
When does the biased negative clipper removes the portion of input signal?
A During the positive half cycle of input | इनपटु केपॉजिदटव हरफ सरईकल िौररन
B Signal voltage is lesser than bias battery voltage | लसग्नल वोल्टेि, बरयस बैटरी वोल्टेि सेकम ह
C Signal voltage equals the bias battery voltage | लसग्नल वोल्टेि बरयस बैटरी वोल्टेि केबररबर है
D Signal voltage becomes greater than bias battery voltage | लसग्नल वोल्टेि बरयस बैटरी वोल्टेि सेअचिक हो िरतर है
When does the biased positive clipper removes the portion of input signal?
A During the negative half cycle of input | इनपटु केनेगेदटव हरफ सरईकल िौररन
B Signal voltage is lesser than bias battery voltage | लसग्नल वोल्टेि, बरयस बैटरी वोल्टेि सेकम है
C Signal voltage equals the bias battery voltage | लसग्नल वोल्टेि बरयस बैटरी वोल्टेि केबररबर है
D Signal voltage becomes greater than bias battery voltage | लसग्नल वोल्टेि बरयस बैटरी वोल्टेि सेअचिक हो िरतर हैD Signal voltage becomes greater than bias battery voltage | लसग्नल वोल्टेि बरयस बैटरी वोल्टेि सेअचिक हो िरतर है
Which circuit shapes the input signal and gives the output waveform?
A Negative clamper | नेगेदटव क्ट्लैपर
B Positive clamper | पॉजिदटव क्ट्लैपर
C Negative diode clipper | नेगेदटव रयो जक्ट्लपर
D Positive diode clipper | पॉजिदटव रयो जक्ट्लपर
What is the value of output voltage during the positive half cycle across the diode in positive clamper circuit shown? ( R- value is very high)
A Zero voltage | शफूय वोल्टेि
B Equal to input voltage | इनपटु वोल्टेि केबररबर
C Double the input voltage | इनपटु वोल्टेि को िोगनु र करC Double the input voltage | इनपटु वोल्टेि को िोगनु र कर
D Half of the input voltage | इनपटु वोल्टेि कर आिर
What is the name of electronic device symbol?
A U.J.TC
B F.E.T
C DIAC
D TRIAC
What is the common and popular application of U.J.T?
A Multivibrator | मल्टीवरईब्रेटर
B Voltage regulator | वोल्टेि रेगलु ेटर
C Relaxation oscillator | ररलैक्ट्सेशन आसलेटर
D Motor speed controller | मोटर गतत तनयांत्रक
What is the maximum forward gate current (Ig) for BFW10 JFET?
A 5 mA
B 8 mA
C 10 mA
D 20 mA
What is the package type for BF 245B?
A TO-72
C TO-82
D TO-102
B TO-92
How gate is biased in JFET?
A AC supply function | एसी स्लरई फां क्ट्शन
B Forward biased | फॉरव डबरयस्
D Dual supply function | ड्यलू स्लरई फां क्ट्शन
C Reverse biased | ररवसडबरयस्
What is the gate current (Ig) of the JFET, when reverse biased?
A Practically very low | व्यरवहरररक रूप सेबहुत कम ह
B Practically zero | व्यरवहरररक रूप सेशफूय
C Practically unity | व्यरवहरररक रूप सेएकतर
D Practically infinity | व्यरवहरररक रूप सेअनांत
Which is the N - channel FET? | कौन सर N - िैनल FET है?
A AC supply connected to drain termin | एसी की आपतूतडड्रेन टमडसेिुडी है
B Main current flows through N-doped material | मख्ु य िररर एन- ॉ् सरमग्री केमरध्यम सेबहती ह
C Main current flows through P-doped material | मख्ु य िररर पी- ॉ् सरमग्री केमरध्यम सेबहती ह
D S-terminal connected to positive | एस-टलमडनल पॉजिदटव सेिुडर है
What is the name of electronic symbol?
A Silicon controlled rectifier | लसललकॉन कण्ट्ोल रेजक्ट्टफ़रयर
B FET N-channel | एफईटी एन-िैनल
C FET P-channel | FET P- िैनल
D UNI junction transistor | यएूनआई िांक्ट्शन ट्रांजिस्टर
Which device is a unipolar transistor?
A UJT
C BJT
D IGBT
B FET
Which is the package type for the JFET BFW10?
A TO-62
B TO-72
C TO-82
D TO-92
What is the maximum drain- source voltage, VDS for the JFET BF 245B?
A 10 V
B 20 V
C 30 V
D 40 V
What is the term stands for TRIAC?
A Triode Alternate control
B Triode DC semiconductor
C Triode AC semiconductor
D Triode Access console
What is the maximum specified voltage for the TRIAC TIC 201D?
A 1.5 V
B 1.7 V
C 2.1 V
D 2.5 V
What is the code number of TRIAC?
A 2N2646
B BFW10
C BT136
D 2N1597
Which current flows in TRIAC between MT1 and MT2?
A Conventional current | कफवेंशनल करांट
C Reverse current | ररवसडकरांट
D Leakage current | लीके ि करांट
B Principal current | वप्र ांलसपल करांट
What is the switching speed of solid state relays?
A 1 to 25 nano seconds | 1 से25 नैनो सेकां
B 10 to 60 nano seconds | 10 से60 नैनो सेक
C 1 to 100 nano seconds | 1 से100 नैनो सेक
D 1 to 100 milli seconds | 1 से100 लमली सेक
What is the minimum current ratings of solid state relays available in low power packages?
A Few micro Amperes | कुछ मरइरो एम्पीयर
B 10 milli Ampere | 10 लमली एम्पीयर
C 50 milli Ampere | 50 लमली एम्पीयर
D 100 milli Ampere | 100 लमली एम्पीयर
What is the maximum current ratings of solid state relays available in high power packages
A 1 Amp
B 10 Amp
C 40 Amp
D 100 Amp
Which is the drain current (Id) in JFET?
A Electron from drain to gate | ड्रेन सेगेट तक इलेक्ट्ट्ॉन
B Electron from source to drain | स्रोत सेड्रेन तक इलेक्ट्ट्ॉन
C Electron from drain to source | ड्रेन सेस्रोत तक इलेक्ट्ट्ॉन
D Electron from gate to source | गेट सेस्रोत तक इलेक्ट्ट्ॉन
What is the maximum drain - source voltage, VDS for BFW10?
A 20 V
C 40 V
D 50 V
B 30 V
What is the maximum power dissipation Pmax for BF 245B?
A 100 mw
B 200 mw
C 300 mw
D 400 mw
Which is the device made and interconnected by two transistors?
A UJT
B SCR
C FET
D LED
What will happen in SCR with forward biased condition and gate current is applied?
A Reverse current conduction commences | वतडमरन िरलन उल्टर शरूु होतर ह
B Forward current conduction stops | आगे वतडमरन िरलन बांि हो िरतर ह
C Reverse current turned off | ररवसडकरांट िरल
D Forward current conduction commences | आगेवतडमरन िरलन शरूु होतर ह
How many layers of PN - junctions are used in SCR fabrication?
A Two layer two junctions | िो परत िो िांक्ट्शन
B Four layer three junctions | िरर परत तीन िांक्ट्शन
C Three layer three junctions | तीन परत तीन िांक्ट्शन
D Three layer four junctions | तीन परत िरर िांक्ट्शन
Which semiconductor devices are composed inside the solid state relays?
A Diodes and transistors | रयो और ट्रांजिस्टर
B Thyristor and transistors | र्रइररस्टर और ट्रांजिस्टर
C MOSFETs and IGBTs | मोसफे ट और आई िी बी टी
D UJYs and FETs | यिू ेबरय और एफ ई टी
What is the function of solid state relay(SSR)?
A Low pass filter | लो परस कफल्टर
B High frequency oscillator | उच्ि आववृि ऑसलेटर
C High gain amlifier | उच्ि गेन एम्पलीफरयर
D High speed switching | उच्ि गतत जस्वचि ांग
What is the function of DIAC in the TRIAC phase control?
A Stops the surge current | वतडमरन प्रवरह को रोकतर है
B Used as trigger device | दट्गर ड वरइस केरूप में उपयोग ककयर िरतर है
C Used as low pass filter | कम परस कफल्टर केरूप मेंउपयोग ककयर िरतर ह
D Eliminates radio frequency interference | रेड यो फ्रीक्ट्वेंसी हस्तक्षेप को समर्त करतर है
What is the name of the component marked x in the TRIAC triggering circuit?
A SCR
B UJT
C FET
D DIAC
How the lamp failures caused by the high inrush currents in lamp dimmer circuits using TRIAC is eliminated?
A By the fuse | फ्यिू द्वररर
B Using MCB | MCB कर उपयोग करनर
C Using Safety resistor | सरुक्षर अवरोिक कर उपयोग करनर
D By soft start circuit | सॉफ्ट स्टरटडसककड ट द्वररर
What is the purpose of TRIAC circuit
A Switching mode power supply | जस्वचि ांग मो बबिली की आपतूतड
B Phase- control for universal motors | यतूनवसलड मोटसडकेललए िरण तनयांत्रण
C Analog to digital converter | एनॉलॉग से ड जिटल पररवततडत करनेवरलर उपकरण
D Digital to Analog converter | ड ज़िटल से एनरलॉग कफवटडर
Which voltage level is reached to increase the current through DIAC rapidly?
A Cut in voltage | वोल्टेि मेंकटौती
B Zener voltage | िेनर वोल्टेि
C Break over voltage | वोल्टेि पर ब्रेक
D Break down voltage | बबिली की ख़ररबी
What is the construction of electronic component? |
A DIAC
B SCR
C TRIAC
D IGBT
Which measuring instrument is used to make quick test on a TRIAC?
A Ammeter | एजम्मटर
B Ohmmeter ओनममीटर
D Oscilloscope | आस्टसीलस्कप
C Voltmeter | वरल्टमीटर
What is the maximum drain current ID for BFW10?
A 5 mA
B 10 mA
C 20 mA
D 30 mA
What is the maximum drain current, ID for BF 245B?
A 15mA
B 25mA
C 35mA
D 45mA
What type of control is used for FET?
A Resistance controlled device | प्रततरोि तनयांबत्रत उपकरण
B Voltage controlled device | वोल्टेि तनयांबत्रत ड वरइस
C Current controlled device | वतडमरन तनयांबत्रत ड वरइस
D Frequency controlled device | फ्रीक्ट्वेंसी तनयांबत्रत ड वरइस
Which parameter controls the current flow in a BI-polar transistor?
A Voltage | वोल्टेि
B Current | वतडमरन
C Frequency | आववृि
D Resistance | प्रततरोि
Which device generates high frequency radio frequency indeferences by the extremely rapid turn-ON time?
A UJT
B TRIAC
C Op-Amp
D Transistor
Which characteristics exhibits the current conduction increases while the voltage across the devices decreases in a DIAC?
A Linearity characteristics | रैखखकतर की ववशेषतरएां
B Negative resistance characteristics | नकरररत्मक प्रततरोि ववशेषतरओां
C Positive resistance characteristics | सकरररत्मक प्रततरोि ववशेषतरओ
D Nonlinearity characteristics | नॉनलरइनररटी की ववशेषतरएां
How the power control is achieved in the electronic circuit?
A Phase control circuit | िरण तनयांत्रण सककड ट
B Voltage control circuit | वोल्टेि तनयांत्रण सककड ट
C Current control circuit | वतडमरन तनयांत्रण सककड ट
D Frequency control circuit | फ्रीक्ट्वेंसी कां ट्ोल सककड ट
What is the load current handled by the solid state relay that must be mounted to some heatsink to protect the device?
C 2 Amp
A Greater than 4 Amp | 4 सेअचिक Amp
B 3 Amp
D 1 Amp
How the solid state relays are working for increased lifetime?
A Bulky profile | भररी प्रोफ़रइल
B Slower in operations | सांिरलन मेंिीमर
C Spark generated during switching | जस्वचि ांग के िौररन उत्पफन स्परक
D No moving parts to wear and tear | पहनने और फरडनेकेललए कोई दहलनेवरलर दहस्सर नह
Which type of defects are occurring in solid state relays?
A More sparking | अचिक स्परककिं ग
B Intermittent working | रुक-रुक कर करम करनर
C Tendency to fail open | खुलनेमेंअसफल होने की प्रवव
D Tendency to fail shorted | बांि होनेमेंअसफल होनेकी प्रववृि
What is the name of the region marked ’X’ on the UJT characteristics curve?
A Saturation region | सतं ह्ृतत क्षेत्र
B Peak current region | पीक िततमाि क्षेत
C Valley current region | िेली िततमाि क्षेत
D Negative resistance region | िकारात्मक प्रततरोध क्षेत
