questions=new Array(); questions[0]=new Array(); //Question 1 definition questions[0][0]="The apparent power in an AC circuit is 750 W and the true power is 500 W. The power factor is:"; //Question text questions[0][1]=" 1/2"; //Answer option no.1 questions[0][2]=" 2/3"; //Answer option no.2 questions[0][3]=" 3/2"; //Answer option no.3 questions[0][4]="2"; questions[1]=new Array(); //Question 2 definition questions[1][0]="Electric current can be defined as the rate of flow of:"; //Question text questions[1][1]=" charge"; //Answer option no.1 questions[1][2]=" voltage"; //Answer option no.2 questions[1][3]=" power."; //Answer option no.3 questions[1][4]="1"; questions[2]=new Array(); //Question 3 definition questions[2][0]="Another name for a parallel tuned circuit is:"; //Question text questions[2][1]=" an acceptor circuit"; //Answer option no.1 questions[2][2]=" a rejector circuit"; //Answer option no.2 questions[2][3]=" an oscillator circuit."; //Answer option no.3 questions[2][4]="2"; questions[3]=new Array(); //Question 4 definition questions[3][0]="The volt can be defined as:"; //Question text questions[3][1]=" a Joule per Coulomb"; //Answer option no.1 questions[3][2]=" a Watt per Coulomb"; //Answer option no.2 questions[3][3]=" an Ohm per Watt."; //Answer option no.3 questions[3][4]="1"; questions[4]=new Array(); //Question 5 definition questions[4][0]="The electrolyte in a lead-acid cell is:"; //Question text questions[4][1]=" water"; //Answer option no.1 questions[4][2]=" dilute hydrochloric acid"; //Answer option no.2 questions[4][3]=" dilute sulphuric acid."; //Answer option no.3 questions[4][4]="3"; questions[5]=new Array(); //Question 6 definition questions[5][0]="Permanent magnets should be stored using:"; //Question text questions[5][1]=" anti-static bags"; //Answer option no.1 questions[5][2]=" insulating material such as polystyrene"; //Answer option no.2 questions[5][3]=" soft iron keepers."; //Answer option no.3 questions[5][4]="3"; questions[6]=new Array(); //Question 7 definition questions[6][0]="The material that appears between the plates of a capacitor is known as the:"; //Question text questions[6][1]=" anode"; //Answer option no.1 questions[6][2]=" cathode"; //Answer option no.2 questions[6][3]=" dielectric."; //Answer option no.3 questions[6][4]="3"; questions[7]=new Array(); //Question 8 definition questions[7][0]="Conventional current flow in a battery is from:"; //Question text questions[7][1]=" anode to cathode"; //Answer option no.1 questions[7][2]=" cathode to anode"; //Answer option no.2 questions[7][3]=" either way depending on whether the battery is a primary or secondary type."; //Answer option no.3 questions[7][4]="1"; questions[8]=new Array(); //Question 9 definition questions[8][0]="Which of the following materials is suitable for use in the core of a power transformer?"; //Question text questions[8][1]=" Aluminium"; //Answer option no.1 questions[8][2]=" Copper"; //Answer option no.2 questions[8][3]=" Steel."; //Answer option no.3 questions[8][4]="3"; questions[9]=new Array(); //Question 10 definition questions[9][0]="Lenz's Law states that:"; //Question text questions[9][1]=" the reluctance of a perfect magnetic circuit is zero"; //Answer option no.1 questions[9][2]=" an induced e.m.f. will always oppose the the change that created it"; //Answer option no.2 questions[9][3]=" the force on a current carrying inductor is proportional to the current flowing."; //Answer option no.3 questions[9][4]="2"; document.write("

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