# AP Physics Chapter 19

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terminal voltage

### When two or more resistors are connected in series to a battery

All of the given answers :)

### When resistors are connected in series,

the current flowing in each is the same.

12 A

4 V

### You obtain a 100 W light bulb and a 50 W bulb. Instead of connecting them in the normal way, you devise a circuit that places them in series across normal household voltage. Which statement is correct?

The 50 W bulb glows more brightly that the 100 W bulb.

decreases.

### When two or more resistors are connected in parallel to a battery,

all of the given answers.

### When resistors are connected in parallel, we can be certain that

the potential difference across each is the same.

12 V

4 A

### The lamps in a string of Christmas tree lights are connected in parallel. What happens if on lamp burns out?

The brightness of the lamps will not change appreciably.

increases.

3P/2

### Kirchhoff's loop rule is an example of

conservation of energy.

### Kirchhoff's junction rule is an example of

conservation of charge.

### Which of the equations here is valid for the circuit shown? (Figure 19-1)

-2 - I(sub 1) - 2I(sub 2) =0

### If you connect two identical storage batteries together in series ("+" to "-" to "+" to "-"), and place them in a circuit, the combo will provide

twice the voltage, and the same current will flow thru each.

zero volts.

### If you connect two identical storage batteries together in parallel and placer them in a circuit, the combo will provide

the same voltage and twice the total charge that one battery would.

### When two or more capacitors are connected in series to a battery

all the given answers.

Never true.

Q

### When two or more capacitors are connected in parallel to a battery,

the voltage across each capacitor is the same.

Always true.

Q/3

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