[{"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}]