Q.1

In a resistive circuit, if the voltage increases, the current will increase.

  • True
  • False
Q.2

Resistivity is measured in cmil.Ω/ft.

  • True
  • False
Q.3

A 12-volt battery is delivering 3 amperes to a resistor. The power dissipated by the resistor is 4 watts.

  • True
  • False
Q.4

A rheostat is ___.

  • a two-terminal device that controls current
  • a three-terminal device that controls current
  • a two-terminal device that divides voltage
  • a three-terminal device that divides voltage
Q.5

An ohmmeter uses an internal battery to measure the resistance of a resistor.

  • True
  • False
Q.6

A load resistance is the resistance of the load.

  • True
  • False
Q.7

Resistance limits the flow of current.

  • True
  • False
Q.8

The power rating of a resistor is __________ related to __________.

  • directly, the type of cooling used
  • indirectly, the type of material used
  • directly, its surface area
  • indirectly, the color coding
Q.9

A protoboard is used to make experimental circuits.

  • True
  • False
Q.10

The resistive track of a rheostat or potentiometer can be classified as having either a linear or tapered resistance.

  • True
  • False
Q.11

Variable resistors have problems with the wiper making contact.

  • True
  • False
Q.12

4 amperes will flow through a 10 omega.gif resistor if 20 volts are placed across the resistor.

  • True
  • False
Q.13

One horsepower is 746 watts.

  • True
  • False
Q.14

The resistive track of a rheostat or potentiometer can be classified as having either a linear or tapered resistance.

  • True
  • False
Q.15

Resistance is inversely proportional to current.

  • True
  • False
Q.16

The maximum potential a material can withstand without rupture is called breakdown voltage.

  • True
  • False
Q.17

A digital voltmeter can be used to measure resistance.

  • True
  • False
Q.18

Fixed-value resistors can internally short-circuit.

  • True
  • False
Q.19

A digital voltmeter can be used to measure resistance.

  • True
  • False
Q.20

A rheostat is not a type of variable resistor.

  • True
  • False
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