It has only magnitude of body and not indicate the direction of body.Example. electric potential force.
Measuring the Volume of Solids. The volume of solids is expressed in cubic measurements, such as cubic centimeter or cubic meter.
Answer a) is incorrect as sound does not travel in a vacuum.
No. You cannot rule out the battery even after the open circuit voltage measurement. The open-circuit voltage may not have changed but the battery's internal resistance may have greatly increased.
