Battery Testing and Behavior

The video tutorial discusses a method to determine which battery in a remote control is full. It begins with the problem of identifying a full battery among seemingly identical ones. The presenter experiments with the batteries, shaking and dropping them to observe differences. A specific method is described: dropping the batteries from a small height onto a hard surface. The sound and bounce of the batteries help distinguish between full and empty ones. The tutorial concludes with the results of the test, explaining that a full battery behaves differently from an empty one when dropped.

What was the initial problem with the TV remote?

• The remote was broken.

• The batteries were empty.

• The TV was not working.

• The remote was lost.

What did the person do to identify the full battery?

• Measured the weight of the batteries.

• Dropped the batteries from a height.

• Checked the color of the batteries.

• Used a battery tester.

From what height were the batteries dropped?

• 1 to 2 cm

• 5 to 6 cm

• 10 to 12 cm

• 15 to 20 cm

What was the behavior of the full battery when dropped?

• It cracked.

• It rolled away.

• It stayed still.

• It bounced.

What was the behavior of the empty battery when dropped?

• It cracked.

• It rolled away.

• It stayed still.

• It bounced.