To check charging voltage, connect a digital multimeter to the positive (+) and negative (–) terminals of the battery and select
a. ac amps.
b. ac volts.
c. dc volts.
d. dc amps.

Based on the information given in the question, the answer will be DC Volts.

Direct current simply means the flow of electric charge in just one particular direction. The direct voltage represents the power systems which makes use of use only one current.

It should be noted that the direct current voltage can be measured with the digital multimeter. To check the charging voltage, a digital multimeter should be connected to both the positive and the negative terminals of the battery and then the DC Volts should be selected.

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