1.What is the electric current if a circuit has a resistance of 100 and voltage of 12.0V? A.0.120 A B.9.00A C.12.0 A D.25.0 A 2.What is the electric current if a circuit has a resistance of 200 and a voltage of 6.00 V? A.0.0600A B.4.50A C.6.00A D.12.5 A 3.What is the voltage of a circuit that has a resistance if 6 k and a current of 2mA? A.9V B.10V C.11 V D.12V 4.what will happen to current if the voltage reduced to one half? A.TRIPLED B.DOUBLED C.DECREASED BY ONE HALF D. DECREASED BY ONE FOURTH 5.calculate the voltage if the current passing through the wire is 3 A, and has a resistance of 10 . A. 6 V B. 30 V C.75 V D.150 V 6.WHAT IS THE VOLTAGE ACROSS A 6 LOAD WHEN 3 A OF CURRENT PASSES THROUGH IT? A.3V B.9V C.18V D.36V 7. WHICH of the following properties of materials does NOT affect resistance? A.LENGTH B.THICKNESS C.TEMPERATURE D.STRENGHT OF THE MATERIAL 8.AMPERE IS A UNIT OF WHAT ELECTRICAL QUANTITY? A.CURRENT B.LAOD C.RESISTANCE D.VOLTAGE 9.WHAT HAPPENS TO THE CURRENT ACROSS A CIRCUIT WHEN THE VOLTAGE IS DOUBLED WHILE THE RESISTANCE IS HELD CONSTANT? A.TRIPLED B.HALVED C.DOUBLED D.REMAINS THE SAME 10.WHICH OF THE FOLLOWING STATEMENTS IS CORRECT ABOUT THE RELATIONSHIP OF VOLTAGE AND CURRENT? A.CURRENT VARIES DIRECTLY WITH VOLTAGE AND RESISTANCE IS CHANGING. B.CURRENT VARIES INDIRECTLY WITH VOLTAGE AND RISESTANCE IS CHANGING. C.CURRENT VARIES DIRECTLY WITH VOLTAGE WHEN RESISTANCE REMAINS CONSTANT. D.CURRENT VARIES INDIRECTLY WITH VOLTAGE WHEN RESISTANCE REMAINS CONSTANT. 11.WHAT TYPE OF CONDUCTING WIRE HAS THE GREATEST RESISTANCE TO THE FLOW OF CURRENT? A.THIN,LONG WIRE B.THICK,LONG WIRE C.THIN,SHORT WIRE D.THICK,SHORT WIRE 12.WHICH OF THE FOLLOWING CONDUCTING WIRES HAS THE LEAST RESISTANCE ? A.STEEL WIRE AT ROOM TEMPERATURE B.STEEL WIRE AT HIGHER TEMPERATURE C.COPPER WIRE AT ROOM TEMPERATURE D.COPPER WIRE AT HIGHER TEMPERATURE 13.HOW MANY COULOMBS DOES A 3-A CURRENT HAVE IN ONE SECOND? A.3C B.4C C.5C D.6C 14.HOW MANY BILLIONS OF ELECTRONS ARE THERE IN A 3.000-A CURRENT? A.6.250 B.12.50 C.17.75 D.25.00 15.WHAT IS THE AMOUNT OF CURRENT WHEN 60 COULOMBS OF CHARGES PASS THROUGH A CIRCUIT IN 10 SECONDS? A.3AB.4A C.5A D.6A​
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