True/False
Indicate whether the
statement is true or false.
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1.
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The current entering a node must equal the current leaving the node.
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2.
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If we touch one end of a wire to the negative side of a 9V battery and touch the
other end of the wire to the positive side of the battery, the electrons move toward the positive
side and flow back into the wire from the negative side.
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3.
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Pure water is a good conductor of electricity.
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4.
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Protons have a positive charge that attracts the orbiting electrons, which have
a negative charge.
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5.
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A current can be created or destroyed.
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Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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6.
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The International System of Units has _____ base units.
a. | two | c. | five | b. | three | d. | seven |
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7.
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The human body is approximately _____ water by weight.
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8.
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Each _____ is made up of a nucleus surrounded by orbiting electrons.
a. | neutron | c. | molecule | b. | proton | d. | atom |
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9.
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_____ states that the voltage across a component is equal to the resistance of
the component multiplied by the current through the component.
a. | Kirchhoff’s Voltage Law | c. | Ohm’s Law | b. | The SI
System | d. | Kirchhoff’s
Current Law |
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10.
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It is very difficult for _____ to combine to form molecules.
a. | noble elements | c. | neutrons | b. | atoms | d. | protons |
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11.
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Rubber is an example of:
a. | a resistor | c. | an insulator | b. | a capacitor | d. | a conductor |
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12.
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A proton is:
a. | the center of an atom | b. | the fundamental building block of
molecues | c. | a positively charged particle found in the nucleus of the atom | d. | a negativley charged
particle orbiting the nucleus of an atom |
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13.
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A _____ is a junction of electronic components.
a. | parallel | c. | circuit | b. | series | d. | node |
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14.
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The typical issue when measuring current is that the _____ must receive the
exact same current as the resistor to be measured.
a. | download | c. | meter | b. | electrical potential energy | d. | conductor |
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15.
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A device with hidden interconnections on which we can build a prototype circuit
is a _____.
a. | schematic | c. | simulation | b. | breadboard | d. | trace |
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16.
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A circuit built functionally the same as a circuit that is to be tested is a
_____.
a. | simulation | c. | programmable device | b. | schematic | d. | prototype |
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17.
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For current to flow, we need to replenish the _____ at the negative end so they
can flow to the positive end; as these flow, the charge flows.
a. | molecules | c. | protons | b. | atoms | d. | electrons |
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18.
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The atomic number of an element is the number of _____ in the nucleus of an atom
of that element.
a. | molecules | c. | protons | b. | noble elements | d. | electrons |
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19.
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The unit(s) for resistance is/are _____.
a. | Ohm | c. | Ampere | b. | Volt | d. | Farad |
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20.
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A _____ is a copper line on a circuit board connecting one component to another;
it is a path for current to flow on a circuit board.
a. | conductor | c. | breadboard | b. | trace | d. | node |
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