DEL Unit 05: Resistors

The value of a resistor can often be determined by the "color code."

True

How many amperes is present in a 20-volt battery with a 30-ohm resistor?

0.67

What is another term for a variable resistor?

potentiometer

What are commonly used to perform two functions in a circuit?

resistors

Which of the following is one function of a resistor in a circuit?

to limit the flow of current

The _____ of a resistor indicates the plus and minus limits of a resistor's ohmic value.

tolerance

A resistor whose values can be varied over a range of values is called a _____ resistor.

variable

What type of resistors can only have one ohmic value?

Fixed