Exam 2: Electrical Quantities and Ohm S Law

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 unit of resistance to current flow is the _____.

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

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

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

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

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

One coulomb per second is equal to one _____.

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.

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

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

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

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

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

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

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

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?

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

What is another term for electromotive force (EMF)?

If a circuit is open, current _____ flow.