Basic Electrical Theory: Unit 8 – Math
Questions & Answers 100% Correct!!
The decimal equivalent for the fraction "1/2" is ________. - ANSWER0.50
To change a percent value to a decimal or whole number, drop the percentage sign and move the
decimal point two places to the _________. - ANSWERleft
The decimal equivalent for "75%" is __________. - ANSWER0.75
The method of increasing a number by another number is done by using a _____________. -
ANSWERmultiplier
An overcurrent protection device (breaker fuse) must be sized no less than 125% of the continuous
load. If the load is 16A, the overcurrent protection device will have to be sized at no less than
_____________. - ANSWER20A
The maximum continuous load of an overcurrent protection device is limited to 80% of the device
ration. If the overcurrent device is rated at 100A, the maximum continuous load is ____________. -
ANSWER80A
What is the power consumed in watts by 12 AWG conductor that is 100 ft long and has a resistance
(R) of 0.20 ohms, when the current (I) in the circuit is 16A?
Formula: I² x R - ANSWER50W
The numeric equivalent of 4² is ___________. - ANSWER16
The numeric equivalent of 12² is ___________. - ANSWER144
Questions & Answers 100% Correct!!
The decimal equivalent for the fraction "1/2" is ________. - ANSWER0.50
To change a percent value to a decimal or whole number, drop the percentage sign and move the
decimal point two places to the _________. - ANSWERleft
The decimal equivalent for "75%" is __________. - ANSWER0.75
The method of increasing a number by another number is done by using a _____________. -
ANSWERmultiplier
An overcurrent protection device (breaker fuse) must be sized no less than 125% of the continuous
load. If the load is 16A, the overcurrent protection device will have to be sized at no less than
_____________. - ANSWER20A
The maximum continuous load of an overcurrent protection device is limited to 80% of the device
ration. If the overcurrent device is rated at 100A, the maximum continuous load is ____________. -
ANSWER80A
What is the power consumed in watts by 12 AWG conductor that is 100 ft long and has a resistance
(R) of 0.20 ohms, when the current (I) in the circuit is 16A?
Formula: I² x R - ANSWER50W
The numeric equivalent of 4² is ___________. - ANSWER16
The numeric equivalent of 12² is ___________. - ANSWER144
