[{"id":156538,"question":"The basic circuit element in D.C. circuit is:","choices":[{"text":"A capacitor","value":"A"},{"text":"A resistor","value":"B"},{"text":"An inductor","value":"C"},{"text":"Both (A) and (C)","value":"D"},{"text":"Both (A) and (B)","value":"E"}],"correctAnswer":2},{"id":156537,"question":"The basic circuit element in A.C. circuits are:","choices":[{"text":"Resistor and capacitor","value":"A"},{"text":"Resistor and Inductor","value":"B"},{"text":"Capacitor only","value":"C"},{"text":"Both (B) and (C)","value":"D"},{"text":"None of these","value":"E"}],"correctAnswer":4},{"id":156535,"question":"Unless stated otherwise, when we speak of A.C. meter reading, we usualy mean:","choices":[{"text":"Peak value","value":"A"},{"text":"RMS value","value":"B"},{"text":"Instantaneous value","value":"C"},{"text":"Peak-to-peak value","value":"D"},{"text":"Both (A) and (C0","value":"E"}],"correctAnswer":2},{"id":156534,"question":"The length of rotating vector (on a certain scale) represents the:","choices":[{"text":"Peak value of alternating quantity","value":"A"},{"text":"RMS value of alternating quantity","value":"B"},{"text":"Instantaneous value of alternating quantity","value":"C"},{"text":"Either (B) or (C)","value":"D"},{"text":"Either (A) or (B)","value":"E"}],"correctAnswer":5},{"id":156533,"question":"A sinusoidally alternating voltage or current can be graphically represented by a:","choices":[{"text":"Vector","value":"A"},{"text":"Rotating vector","value":"B"},{"text":"Clockwise vector","value":"C"},{"text":"Anticlockwise voltage vector","value":"D"},{"text":"None of these","value":"E"}],"correctAnswer":4},{"id":156528,"question":"If 250V is the RMS value of alternative voltage, then its peak value V<sub>o</sub>will be:","choices":[{"text":"353.5V","value":"A"},{"text":"250V","value":"B"},{"text":"175V","value":"C"},{"text":"zero","value":"D"},{"text":"400V","value":"E"}],"correctAnswer":1},{"id":156526,"question":"If we connect a A.C. volt meter to read A.C. voltage, It would read its:","choices":[{"text":"RMS value","value":"A"},{"text":"Instantaneous value","value":"B"},{"text":"Valued average over a cycle","value":"C"},{"text":"Zero","value":"D"},{"text":"Both (B) and (C)","value":"E"}],"correctAnswer":1},{"id":156522,"question":"The phase at the positive peak of an A.C. cycle is:","choices":[{"text":"0<span style=\"font-family: &quot;Times New Roman&quot;, serif; font-size: 12pt; text-align: justify;\">º</span><p class=\"MsoNormal\" style=\"text-align:justify\"><span style=\"font-size:12.0pt;\r\nline-height:107%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;\"><o:p></o:p></span></p><p class=\"MsoNormal\" style=\"text-align:justify\"><span style=\"font-size:12.0pt;\r\nline-height:107%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;\"><o:p></o:p></span></p>","value":"A"},{"text":"90<span style=\"font-family: &quot;Times New Roman&quot;, serif; font-size: 12pt; text-align: justify;\">º</span><p class=\"MsoNormal\" style=\"text-align:justify\"><span style=\"font-size:12.0pt;\r\nline-height:107%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;\"><o:p></o:p></span></p>","value":"B"},{"text":"180<span style=\"font-family: &quot;Times New Roman&quot;, serif; font-size: 12pt; text-align: justify;\">º</span><p class=\"MsoNormal\" style=\"text-align:justify\"><span style=\"font-size:12.0pt;\r\nline-height:107%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;\"><o:p></o:p></span></p>","value":"C"},{"text":"0 and<span style=\"font-size:12.0pt;line-height:107%;\r\nfont-family:&quot;Plantagenet Cherokee&quot;,&quot;serif&quot;;mso-fareast-font-family:Calibri;\r\nmso-fareast-theme-font:minor-latin;mso-bidi-font-family:&quot;Times New Roman&quot;;\r\nmso-ansi-language:EN-US;mso-fareast-language:EN-US;mso-bidi-language:AR-SA\">Ꮨ</span>","value":"D"},{"text":"<span style=\"font-size:12.0pt;line-height:107%;\r\nfont-family:&quot;Plantagenet Cherokee&quot;,&quot;serif&quot;;mso-fareast-font-family:Calibri;\r\nmso-fareast-theme-font:minor-latin;mso-bidi-font-family:&quot;Times New Roman&quot;;\r\nmso-ansi-language:EN-US;mso-fareast-language:EN-US;mso-bidi-language:AR-SA\">Ꮨ/2 and 3</span><span style=\"font-size:12.0pt;line-height:107%;\r\nfont-family:&quot;Plantagenet Cherokee&quot;,&quot;serif&quot;;mso-fareast-font-family:Calibri;\r\nmso-fareast-theme-font:minor-latin;mso-bidi-font-family:&quot;Times New Roman&quot;;\r\nmso-ansi-language:EN-US;mso-fareast-language:EN-US;mso-bidi-language:AR-SA\">Ꮨ/2</span>","value":"E"}],"correctAnswer":4},{"id":156517,"question":"The alternative voltage of current is actually measured by:","choices":[{"text":"Its RMS value","value":"A"},{"text":"Square root of its mean square value","value":"B"},{"text":"Instantaneous value","value":"C"},{"text":"Peak value","value":"D"},{"text":"Both (A) and (B)","value":"E"}],"correctAnswer":5},{"id":156516,"question":"The magnitude of alternative voltage V:","choices":[{"text":"Always increase","value":"A"},{"text":"Always decrease","value":"B"},{"text":"Remains constant","value":"C"},{"text":"Does not remain constant","value":"D"},{"text":"None of these","value":"E"}],"correctAnswer":4},{"id":156515,"question":"If we connected the ordinary DC ammeter to measure alternating current, it would measure its:","choices":[{"text":"Instantaneous value","value":"A"},{"text":"RMS value","value":"B"},{"text":"Value averaged over a cycle","value":"C"},{"text":"Either (B) or (C)","value":"D"},{"text":"Either (A) or (C)","value":"E"}],"correctAnswer":3},{"id":156514,"question":"The RMS value of alternating current is:","choices":[{"text":"0.7 times at the peak value","value":"A"},{"text":"0.5 times the peak value","value":"B"},{"text":"0.7 times the Instantaneous value","value":"C"},{"text":"Equal to maximum voltage","value":"D"},{"text":"None of these","value":"E"}],"correctAnswer":1},{"id":156513,"question":"The Instantaneous value of alternative current maybe:","choices":[{"text":"The same as its RMS value","value":"A"},{"text":"Greater than its Rms value","value":"B"},{"text":"The same as its peak value","value":"C"},{"text":"Any of these","value":"D"},{"text":"None of these","value":"E"}],"correctAnswer":3},{"id":156512,"question":"Peak value of alternative current is:<br>","choices":[{"text":"one of its Instantaneous value","value":"A"},{"text":"Equal to its RMS value","value":"B"},{"text":"The same as its peak-to-peak value","value":"C"},{"text":"Both (B) and (C)","value":"D"},{"text":"None of these","value":"E"}],"correctAnswer":1},{"id":156510,"question":"The sum of positive and negative peak values is called:","choices":[{"text":"Instantaneous value","value":"A"},{"text":"Peak value","value":"B"},{"text":"Rms valuie","value":"C"},{"text":"Peak-to peak-value","value":"D"},{"text":"None of these","value":"E"}],"correctAnswer":4},{"id":156507,"question":"The highest value reached by the voltage or current:","choices":[{"text":"In quarter cycle is called Instantaneous value","value":"A"},{"text":"In half cycle is called peak-to-peak value","value":"B"},{"text":"In one cycle is called peak value","value":"C"},{"text":"In half cycle is called Instantaneous value","value":"D"},{"text":"None of these","value":"E"}],"correctAnswer":3},{"id":156501,"question":"The entire wave form of sinusoidal voltage is actually a set of all the:","choices":[{"text":"Positive maximum value + V<sub>o</sub>and negative maximum value -V<sub>o</sub>","value":"A"},{"text":"Posiotive maximum value +V<sub>o </sub>and zero","value":"B"},{"text":"Zero and negative maximum value -V<sub>o</sub>","value":"C"},{"text":"Any of these","value":"D"},{"text":"None of these","value":"E"}],"correctAnswer":1},{"id":156497,"question":"The waveform of alternating voltage is a:","choices":[{"text":"Square","value":"A"},{"text":"Rectangular","value":"B"},{"text":"Saw-tooth","value":"C"},{"text":"Sinusoidal","value":"D"},{"text":"None of these","value":"E"}],"correctAnswer":4},{"id":156496,"question":"The wave form of alternating voltage is the graph between:","choices":[{"text":"Voltage across X-axis and time across y-axis","value":"A"},{"text":"Current and time","value":"B"},{"text":"Voltage along y-axis and time along x-axis","value":"C"},{"text":"Voltage and current","value":"D"},{"text":"Either (B) or (D)","value":"E"}],"correctAnswer":3},{"id":156493,"question":"The most common source of alternating voltage is:","choices":[{"text":"Motor","value":"A"},{"text":"Transformer","value":"B"},{"text":"AC genrator","value":"C"},{"text":"Both (A) and (C)","value":"D"},{"text":"Both (A) and (B)","value":"E"}],"correctAnswer":3},{"id":156490,"question":"The time interval during which the Voltage source changes its polarity once is known as:","choices":[{"text":"Time period T","value":"A"},{"text":"Half the time period","value":"B"},{"text":"Quarter the time period","value":"C"},{"text":"Two third of the time period","value":"D"},{"text":"None of these","value":"E"}],"correctAnswer":1},{"id":156487,"question":"Nowadays, Most of the electric energy is produced by the A.C. generators using:","choices":[{"text":"Hydal water","value":"A"},{"text":"Geothermal energy","value":"B"},{"text":"Solar energy","value":"C"},{"text":"Biomass","value":"D"},{"text":"Both (B) and (D)","value":"E"}],"correctAnswer":1},{"id":156484,"question":"Alternating current is produced by a voltage source which polarity:","choices":[{"text":"Remains the same","value":"A"},{"text":"Reverse after period T","value":"B"},{"text":"Keeps on reversing with time","value":"C"},{"text":"Reverse after every time interval T/2","value":"D"},{"text":"Both (C) and (D)","value":"E"}],"correctAnswer":5},{"id":156481,"question":"Alternating current can be transmitted:","choices":[{"text":"To long distance","value":"A"},{"text":"At very high cost","value":"B"},{"text":"At very low cost","value":"C"},{"text":"Both (A) and (C)","value":"D"},{"text":"Both (A) and (B)","value":"E"}],"correctAnswer":4},{"id":120088,"question":"A P-N juction or semiconductor diode cannot be used as","choices":[{"text":"A rectifier","value":"A"},{"text":"Detector","value":"B"},{"text":"Oscillator","value":"C"},{"text":"An amplifier","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":119813,"question":"In describing functions of digital systems, a closed switch will be shown as","choices":[{"text":"0","value":"A"},{"text":"1","value":"B"},{"text":"low","value":"C"},{"text":"any one of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":119812,"question":"Mathematical manipulation of the two quantized states can be best carried if they are represented by","choices":[{"text":"high - low","value":"A"},{"text":"yes - no","value":"B"},{"text":"on - off","value":"C"},{"text":"0 - 1","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":119811,"question":"A digital system deals with quantities or variables which have","choices":[{"text":"only one state","value":"A"},{"text":"only two discrete states","value":"B"},{"text":"three discrete states","value":"C"},{"text":"four discrete states","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":119810,"question":"Most OP-AMP operates with","choices":[{"text":"<u>+</u> 6 V supply","value":"A"},{"text":"<u>+</u> 10 V supply","value":"B"},{"text":"<u>+</u> 12 V supply","value":"C"},{"text":"<u>+</u> 24 V supply","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":119808,"question":"The R<sub>1</sub>= infinity and R<sub>2</sub>= 0, then the gain of non-inverting amplifier is","choices":[{"text":"zero","value":"A"},{"text":"infinity","value":"B"},{"text":"one","value":"C"},{"text":"any one of these","value":"D"},{"value":"E"}],"correctAnswer":3}]