4.

In the current-carrying wire, the natural opposition to the flow of electrons is called:

a. Polarity.

b. Resistance.

c.

Gravity.

d. High potential.

5.

A conductor that allows current to flow freely is said to have _______ resistance.

a. High.

b. Low.

c.

Magnetic.

d. Nonmagnetic.

6.

A circuit in which all the current flows through the whole circuit is a ___________

circuit.

a. Parallel.

b. Series.

c.

High voltage.

d. Solenoid.

7.

The equation E = I x R relates to Ohm's law. If E = 115 volts and I = 15 amperes,

what is R (resistance in ohms)?

a. 7.67

b. 10.40.

c.

13.00.

d. 16.25.

MD0950

2-39

Integrated Publishing, Inc. |