ESP Units 16-18 Review

Write ONE word ONLY.

DC stands for (a)   current.

Direct current moves in ___________ direction.

• one

• two

• three

• many

AC stands for (a)   current.

Alternating current is current that moves in ___________ directions - forwards and backwards.

• one

• two

• three

• many

What is this?

(a)  

This is a __________ battery.

• 1.5V

• 3.V

• 9V

• 12V

Batteries produce ___________________ current.

• direct

• alternating

• dangerous

• expensive

Different batteries have _______________ voltages.

• the same

• different

• higher

• lower

Which battery here will produce THE MOST electric current?

• 4.5V

• 6V

• 9V

• 12V

Write ONE WORD ONLY.

These are (a)   batteries.