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Automotive Technology

Trade & Technology

Quiz 15 :

Basics of Electrical Systems

Quiz 15 :

Basics of Electrical Systems

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What is the name of the formula E = I x R?
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Multiple Choice
Answer:

Answer:

D

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One watt is equal to one volt multiplied by one ampere.
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True False
Answer:

Answer:

True

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Alternating current constantly changes in voltage and direction.
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True False
Answer:

Answer:

True

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The term ampere was assigned to units of current in honor of André Ampere, who studied the relationship between electricity and magnetism.
True False
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Electromotive force is measured in volts.
True False
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The unit for measuring electrical current is _____.
Multiple Choice
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Amperage stays constant in a circuit, but the voltage drops as it powers a load.
True False
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The unit for measuring electrical resistance is _____.
Multiple Choice
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A series circuit provides two or more different paths for the current to flow through.
True False
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Electricity is the flow of protons from one atom to another.
True False
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Increasing the voltage of an automotive electrical system allows the wires to be smaller yet supply the same electrical power as a low-voltage system with larger wires.
True False
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A circuit protection device such as a fuse, fuse link, or circuit breaker will open the circuit if resistance values become too great.
True False
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Voltage stays constant in a closed electrical circuit, but the amperage drops as it powers a load.
True False
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If there is voltage in a circuit, there must be electrons flowing through the circuit.
True False
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The chemical reaction in a battery causes a lack of electrons at the positive (+) terminal.
True False
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Which type of resistor is commonly used in automotive circuits?
Multiple Choice
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A parallel circuit can only have one load on each leg.
True False
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What is the current in a 12-volt circuit with a 6-ohm resistor connected series?
Multiple Choice
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To complete the electrical path to the vehicle's battery, the vehicle's metal frame components are often part of the electrical circuit.
True False
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When an electron leaves the orbit of an atom, the atom then has a positive charge.
True False
Answer:
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