Chapter 16; Electricity

This is a symbol for a what?

• battery

• bulb

• resistor

• fuse

• wire

This is the symbol for a what?

• battery

• bulb

• fuse

• resistor

• switch

How many resistors are in this diagram?

• 0

• 1

• 2

• 3

If switch 3 is closed but all others are open, which of the devices will "WORK"?

• a

• a and b

• a, b, c

• a, d

• none of these

If switches 1 and 2 are closed and the others are open, which devices will work?

• a and c

• b and d

• a, b, c

• b, c

• a and b

If switches 2 and 4 are open and the others are closed, which devices will "WORK?"

• b and c

• b and d

• a, b, d

• a and c

• none of these

Which switches would need to be closed for E to "WORK?"

• 1, 2, 6

• 1, 3, 4

• 3 and 4

• 2, 3, 4

• none of these

Which switches would need to be closed for G to "WORK"?

• 3, 5, 6

• 1, 3, 5, 6, 7

• 1, 3, 5, 7

• 1, 3, 5, 6

• none of these

What is the SI unit for electric potential?

• amperes

• ohms

• volts

• watts

What is the SI unit for electric current?

• amperes

• ohms

• volts

• watts