3rd October 2019


How do you read the value of a resistor?

  1. Position the resistor with the gold or silver color band to the right..
  2. Read the color sequence that must be decoded to determine resistance.
  3. Determine the coded number for the resistive value.
  4. Determine the tolerance of the resistor.
  5. Determine the decoded number for the resistive value.

Similarly, you may ask, which direction does a resistor go?

If I understand your question, then yes - resistors are reversible, in the sense that they can be connected to the circuit in either direction. Resistors are not like diodes or capacitors. They do not have a polarity. The conduct (or resist) current equally in both directions of current flow.

How do you check a resistor with a multimeter?

  1. Remove power from the circuit containing the resistor.
  2. Isolate the resistor from the circuit.
  3. Inspect the resistor.
  4. Read the resistor value visually.
  5. Prepare a digital multimeter (DMM) to measure the resistor.
  6. Measure the resistance.
  7. Determine the actual resistance of the resistor.

Do resistors have a positive and negative side?

Current in the drawing above is shown entering the + side of the resistor. Resistors don't care which leg is connected to positive or negative. The + means where the positive or red probe of the volt meter is to be placed in order to get a positive reading. This is called the "positive charge" flow sign convention.
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