Exam 2: Voltage, Current, and Resistance

In the American Wire Gauge sizes, as the numerical value of AWG goes higher, the cross sectional area of the wire:

-In Figure 2-2, the voltage is the same as ________.

Potentiometers and rheostats differ in that:

Which of the following is not a type of variable resistor?

-Identify the Normally Open Push Button switch in Figure 2-1.

-In Figure 2-2, the voltage is the same as ________.

-Which switch in Figure 2-1 could be used to switch two inputs to different output positions?

A SPST switch is used to control one circuit.

Interpret the following mixed numbers and letters 4R7 on a resistor to the correct resistance of:

-The Rotary switch in Figure 2-1 is most likely to be used as ________.

To measure the current through a resistor, place the ammeter so the current must pass through the 5) meter.

A source, a path, and a load ________.

-Which switch in Figure 2-1 could be used to open a circuit momentarily?

A common type of resistors are:

On a resistor with numbers and letters, the position of the letter in the sequence represents:

-In Figure 2-2, a voltmeter placed across points C and D will measure ________.

-An analog meter has ________.

-In Figure 2-2, if you place a voltmeterʹs red lead on point E and its black lead on point H, you will be measuring ________.

On a resistor with five bands of color code, the fifth band may represent that:

Electrons have a positive charge.