Resistance and Power MCQs

Question 1

A color code of orange, orange, orange is for what ohmic value?

Accepted Answer

33 kilohms

Answer

22 kilohms

Answer

3300 ohms

Answer

44000 ohms

Question 2

A conductor's cross-sectional area in circular mils for 1/2 onehalf.gif inch is:

Accepted Answer

1,000,000 cmils

Answer

500 cmils

Answer

100,000 cmils

Answer

500,000,000 cmils

Question 3

If a variable resistor's resistance varies in a nonuniform manner as the shaft is moved, it is considered to be:

Accepted Answer

tapered

Answer

linear

Answer

defective

Answer

not wirewound

Question 4

Power is measured in units of:

Accepted Answer

joules/time

Answer

joules x charge

Answer

joules/work

Answer

joules x voltage

Question 5

How many basic types of resistors exist?

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 6

With a complex circuit, a supply source senses:

Accepted Answer

only a single resistive connection

Answer

open circuit components

Answer

when voltages need to be increased

Answer

when complex currents are needed

Question 7

Which is the most important step utilized when measuring resistors?

Accepted Answer

remove power from the circuit

Answer

use the highest possible scale

Answer

keep test leads short

Answer

zero the meter before using

Question 8

Components designed to oppose the flow of current are called:

Accepted Answer

resistors

Answer

insulators

Answer

conductors

Answer

heat exchangers

Question 9

How many amps are used by a 100 watt, 120 volt light bulb?

Accepted Answer

830 mA

Answer

1.2 amps

Answer

12000 amps

Answer

12 amps