questions=new Array(); questions[0]=new Array(); //Question 1 definition questions[0][0]="What is the unit of inductance?"; //Question text questions[0][1]=" Henry"; //Answer option no.1 questions[0][2]=" Farad"; //Answer option no.2 questions[0][3]=" Ohm"; //Answer option no.3 questions[0][4]="1"; questions[1]=new Array(); //Question 2 definition questions[1][0]="Power factor is given by the ratio of:"; //Question text questions[1][1]=" apparent power to true power"; //Answer option no.1 questions[1][2]=" true power to reactive power"; //Answer option no.2 questions[1][3]=" true power to apparent power"; //Answer option no.3 questions[1][4]="3"; questions[2]=new Array(); //Question 3 definition questions[2][0]="The time constant of a C-R circuit is given by:"; //Question text questions[2][1]=" C + R"; //Answer option no.1 questions[2][2]=" C / R"; //Answer option no.2 questions[2][3]=" C x R"; //Answer option no.3 questions[2][4]="3"; questions[3]=new Array(); //Question 4 definition questions[3][0]="The phase angle in a purely reactive circuit is:"; //Question text questions[3][1]=" 0°"; //Answer option no.1 questions[3][2]=" 45°"; //Answer option no.2 questions[3][3]=" 90°"; //Answer option no.3 questions[3][4]="3"; questions[4]=new Array(); //Question 5 definition questions[4][0]="The peak value of a 200 V AC supply is:"; //Question text questions[4][1]=" 200 V"; //Answer option no.1 questions[4][2]=" 282 V"; //Answer option no.2 questions[4][3]=" 400 V"; //Answer option no.3 questions[4][4]="2"; questions[5]=new Array(); //Question 6 definition questions[5][0]="A simple low-pass L-C filter would have:"; //Question text questions[5][1]=" L in series and C in parallel"; //Answer option no.1 questions[5][2]=" C in series and L in parallel"; //Answer option no.2 questions[5][3]=" both L and C in series."; //Answer option no.3 questions[5][4]="1"; questions[6]=new Array(); //Question 7 definition questions[6][0]="The periodic time of a 400 Hz a.c. supply is:"; //Question text questions[6][1]=" 2.5 ms"; //Answer option no.1 questions[6][2]=" 0.04 s"; //Answer option no.2 questions[6][3]=" 400 ms."; //Answer option no.3 questions[6][4]="1"; questions[7]=new Array(); //Question 8 definition questions[7][0]="What power will be dissipated when a current of 0.5 A is supplied to a 50 ohm load?"; //Question text questions[7][1]=" 12.5 W"; //Answer option no.1 questions[7][2]=" 25 W"; //Answer option no.2 questions[7][3]=" 100 W"; //Answer option no.3 questions[7][4]="1"; questions[8]=new Array(); //Question 9 definition questions[8][0]="The angle between successive phases of a three-phase a.c. supply is:"; //Question text questions[8][1]=" 60°"; //Answer option no.1 questions[8][2]=" 90°"; //Answer option no.2 questions[8][3]=" 120°"; //Answer option no.3 questions[8][4]="3"; questions[9]=new Array(); //Question 10 definition questions[9][0]="Capacitors of 4 nF and 6 nF are connected in series. What is the capacitance of the combination?"; //Question text questions[9][1]=" 2 nF"; //Answer option no.1 questions[9][2]=" 2.4 nF"; //Answer option no.2 questions[9][3]=" 10 nF"; //Answer option no.3 questions[9][4]="2"; document.write("

"); document.write("

");