A multimeter is the best tool for the job
Set the voltage to 20 V. dc.
yes
Pounds
To measure voltages and voltage drops
Odos measure the distance travelled and speedos measure speed at that movement
A milli voltmeter is suitable for measuring voltage/potential difference in milli volts, thus they measure smaller voltages. A regular voltmeter is used to measure comparatively larger voltages.
Digital Volt Meter (DMM)
it is used to measure very high voltages which can not be measured with volt meter.
The wavelength of an automobile cannot be calculated as it is a measure of the distance between successive crests of a wave. The speed of the automobile on the autobahn is 220 km/h.
A multimeter that covers 0/20V dc will do fine for a 12V car circuit.
Odometer is the device present in the automobile that is used to measure the speed of the vehicle and distance covered by it
It reads instantaneous speed, and tells you nothing about average speed.
Voltages are always measured between two points because voltage is a measure of the difference in electric potential between those two points. This difference in potential is what drives the flow of electric current in a circuit.