Write true or false for the following statements:

Battery is a source of maintaining a constant potential difference across two ends of a conductor.

Write true or false for the following statements:

Potential is positive of positively charged body and is negative of a negatively charged body.

Write true or false for the following statements:

Positive charges flow from high potential to low potential.

Write true or false for the following statements:

The units of resistance are ampere.

Write true or false for the following statements:

If the resistance of a conductor is doubled, the current is halved.