Exam 2: Electrical Quantities and Ohms Law

The amount of potential necessary to cause one coulomb to produce one joule of work is a(n) _____.

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

If a circuit is open, current _____ flow.

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.

During normal operation of a typical 120-volt appliance circuit, current flows through the hot, grounding, and neutral conductors.

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

The unit of resistance to current flow is the _____.

A toaster is listed as 1560 W. When it is plugged into a 120 V circuit and starts to make toast, how many amperes will it draw?

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

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

What type of circuit generally occurs when the conductors leading from and back to the power source become connected?

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

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

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?

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

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

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

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?

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