questions=new Array(); questions[0]=new Array(); //Question 1 definition questions[0][0]="A suitable material for a generator brush is:"; //Question text questions[0][1]=" carbon"; //Answer option no.1 questions[0][2]=" copper"; //Answer option no.2 questions[0][3]=" steel."; //Answer option no.3 questions[0][4]="1"; questions[1]=new Array(); //Question 2 definition questions[1][0]="A transformer has a star connected primary winding. The secondary winding:"; //Question text questions[1][1]=" must also be star connected"; //Answer option no.1 questions[1][2]=" must be delta connected"; //Answer option no.2 questions[1][3]=" can be either star or delta connected."; //Answer option no.3 questions[1][4]="3"; questions[2]=new Array(); //Question 3 definition questions[2][0]="At resonance, a parallel L-C circuit will have:"; //Question text questions[2][1]=" maximum impedance"; //Answer option no.1 questions[2][2]=" minimum impedance"; //Answer option no.2 questions[2][3]=" zero impedance."; //Answer option no.3 questions[2][4]="1"; questions[3]=new Array(); //Question 4 definition questions[3][0]="The speed of a generator with 400 Hz output and four poles will be:"; //Question text questions[3][1]=" 6,000 rpm"; //Answer option no.1 questions[3][2]=" 8,000 rpm"; //Answer option no.2 questions[3][3]=" 12,000 rpm"; //Answer option no.3 questions[3][4]="3"; questions[4]=new Array(); //Question 5 definition questions[4][0]="In a capacitive circuit, if the frequency of the supply is increased:"; //Question text questions[4][1]=" the current increases"; //Answer option no.1 questions[4][2]=" the impedance increases"; //Answer option no.2 questions[4][3]=" the current decreases."; //Answer option no.3 questions[4][4]="1"; questions[5]=new Array(); //Question 6 definition questions[5][0]="A 10 ohm resistor connected to a sinusoidal supply of 14.14 V peak will dissipate:"; //Question text questions[5][1]=" 141.4 W"; //Answer option no.1 questions[5][2]=" 1.414 W"; //Answer option no.2 questions[5][3]=" 10 W"; //Answer option no.3 questions[5][4]="3"; questions[6]=new Array(); //Question 7 definition questions[6][0]="The relationship between capacitance, charge and potential difference is:"; //Question text questions[6][1]=" Q = C V"; //Answer option no.1 questions[6][2]=" Q = C/V"; //Answer option no.2 questions[6][3]=" Q = C V²"; //Answer option no.3 questions[6][4]="1"; questions[7]=new Array(); //Question 8 definition questions[7][0]="A band stop filter will:"; //Question text questions[7][1]=" pass all frequencies either side of the band"; //Answer option no.1 questions[7][2]=" stop all frequencies either side of the band"; //Answer option no.2 questions[7][3]=" stop all frequencies."; //Answer option no.3 questions[7][4]="1"; questions[8]=new Array(); //Question 9 definition questions[8][0]="Magnetic poles of similar polarity will:"; //Question text questions[8][1]=" repel one another"; //Answer option no.1 questions[8][2]=" attract one another"; //Answer option no.2 questions[8][3]=" experience no force of attraction or rpeulsion."; //Answer option no.3 questions[8][4]="1"; questions[9]=new Array(); //Question 10 definition questions[9][0]="The area enclosed within a hysteresis loop is proportional to:"; //Question text questions[9][1]=" the energy lost in magnetising and demagnetising the material"; //Answer option no.1 questions[9][2]=" the ulitmate saturation point of the material"; //Answer option no.2 questions[9][3]=" the permeability of the material."; //Answer option no.3 questions[9][4]="1"; document.write("

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