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Exam 2: Electrical Quantities and Ohm S Law

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Question 1

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Approximately how many horsepower is a n electrical device listed as 3,000 watts ?

A) 1/4
B) 1/6
C) 4
D) 6

E) All of the above
F) None of the above

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Question 2

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What is another term for electromotive force (EMF) ?

A) Amperage
B) Ohmage
C) Voltage
D) Wattage

E) All of the above
F) A) and B)

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Question 3

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If a circuit is open, current _____ flow.

What causes a wire to become warm when current flows through it?

The amount of electrical power being used in a circuit is measured in ____.

An electric circuit has a resistance of 20 Ω. The current is measured to be 6 A. How many volts are applied to the circuit?

Voltage flows through an electric circuit like water flows through a pipe.

The velocity of AC through a conductor is _____ the speed of light.

The theory concerning current flow that is most widely accepted as being correct is the _______________ flow theory.

What law states that the force of electrostatic attraction or repulsion is directly proportional to the product of the two charges and inversely proportional to the square of the distance between them?

One coulomb per second is equal to one _____.

The unit of resistance to current flow is the _____.

The neutral conductor is also referred to as the _____ conductor.

The statement, "In a DC circuit, the current is directly proportional to voltage and inversely proportional to resistance," is know as _____ law.

Conventional current flow theory states that current flows from the most positive point to the most _______________.

An electric motor is running on 120 V. The current is measured to be 2 A. How many ohms of resistance is the motor?

A grounding conductor helps prevent a shock hazard in the event that an ungrounded, or hot, conductor comes in contact with the case or frame of an appliance.

A complete circuit is often referred to as a(n) _____ circuit.

An electrical circuit has a voltage of 50 V and a resistance of 5 Ω . What is the value of current?

The grounding prong of a plug should never be cut off or bypassed.