Q.1

The load resistance increases. How will the load current change?

  • vary
  • remain constant
  • increase
  • decrease
Q.2

A potentiometer has how many leads?

  • 1
  • 2
  • 3
  • 4
Q.3

The six basic forms of energy are:

  • light, sun, magnetic, chemical, electrical, and mechanical
  • electrical, mechanical, light, heat, magnetic, and chemical
  • electrical, mechanical, sun, heat, chemical, and light
  • potential, sun, light, chemical, electrical, and mechanical
Q.4

Wirewound resistors are usually used in circuits that have:

  • high current
  • negative temperature coefficients
  • low power
  • high voltage
Q.5

The word work means that:

  • energy has been transferred
  • it is inversely related to energy
  • no energy has been transferred
  • work and energy are not related
Q.6

Which is the most important step utilized when measuring resistors?

  • use the highest possible scale
  • keep test leads short
  • zero the meter before using
  • remove power from the circuit
Q.7

Power is measured in units of:

  • joules x charge
  • joules/work
  • joules x voltage
  • joules/time
Q.8

A resistor with a value of 9.9 k 10% could have a value between 8.91 k and 10.89 k.

  • True
  • False
Q.9

If resistance decreases, then current will:

  • decrease
  • increase
  • remain the same
  • double
Q.10

Which is the most important step utilized when measuring resistors?

  • use the highest possible scale
  • keep test leads short
  • zero the meter before using
  • remove power from the circuit
Q.11

If a calculator display was "0.00263," what would this answer be in percent?

  • 0.026%
  • 0.26%
  • 2.63%
  • 26.3%
Q.12

What resistor type is found in SIPs and DIPs?

  • metal film
  • wirewound
  • metal oxide
  • thick film
Q.13

How do fixed resistors usually fail?

  • slowly over time
  • by increasing their value
  • by becoming an open circuit
  • by increasing their value and becoming an open circuit
Q.14

How many joules of energy will a 10 W lamp dissipate in one minute?

  • 10 joules
  • 60 joules
  • 600 joules
  • 3600 joules
Q.15

What is the ratio of 13 to 47 expressed in percent?

  • 2.76%
  • 27.7%
  • 3.60%
  • 36.1%
Q.16

What resistor type is found in SIPs and DIPs?

  • metal film
  • wirewound
  • metal oxide
  • thick film
Q.17

How much energy is stored if 6.24 x 1018 electrons are stored in 4 volts?

  • 4 joules
  • 1.56 x 1018 electrons
  • 1.56 coulombs
  • 2.496 x 1019 electrons
Q.18

How is power dissipated in a resistor?

  • by resistance
  • by voltage
  • by current
  • by heat
Q.19

How do fixed resistors usually fail?

  • slowly over time
  • by increasing their value
  • by becoming an open circuit
  • by increasing their value and becoming an open circuit
Q.20

A good fuse will have:

  • zero ohms resistance
  • a medium resistance
  • a high resistance
  • an infinite resistance
0 h : 0 m : 1 s