Question

When two resistors are connected in series with a battery, _______.

a) the potential difference across each resistor is the same

b) the power dissipated by each resistor is the same

c) the equivalent resistance is less than the resistance of either resistor individually

d) the current in each resistor is the same

the current in each resistor is the same

Answer #1

Series/Parallel Circuits: When unequal resistors are connected
in series across an ideal battery,
the same power is dissipated in each one.
the potential difference across each is the same.
the equivalent resistance of the circuit is equal to the
average of all the resistances.
the current flowing in each is the same.
the equivalent resistance of the circuit is less than that of
the smallest resistor.

(a) What is the equivalent resistance of six resistors connected
in series with an 18.0-V battery if each resistor has a value of
20.0 Ω?
_______Ω
(b) Determine the current flowing through each of the six
resistors.
_______A
(c) If the six resistors were instead connected in parallel across
the battery, what would be the equivalent resistance?
_________ Ω
(d) Determine the current through each resistor for this parallel
connection.
_________A

Chapter 18, Problem 1
A 47- resistor and a 29- resistor are connected in series across
a 24-V battery. What is the voltage across (a) the
47- resistor and (b) the 29- resistor?
Chapter 18, Problem 2
The current in a 63- resistor is 0.077 A. This resistor is in
series with a 42- resistor, and the series combination is connected
across a battery. What is the battery voltage?
Chapter 18, Problem 3
What resistance must be placed in parallel...

Two resistors 1.00 ohms and 2.00 ohms are connected in parallel,
then they are connected to 3.00 ohms resistor and a 9.00 V battery
in series to complete a circuit.
a. What is the equivalent resistance of this circuit?
b. What is the current through the 1.00 Ohms resistor?
c. What is the voltage on 3.00 ohms resistor?
d. What is power dissipated on 2.00 ohm resistor?

Resistors R1 = 20 W, R2 = 40 W,
and R3 = 60 W, are all connected in series with one
another. The combination of three resisters in series is
now connected in parallel with a 240 W resistor, and the resulting
circuit is connected across an ideal 62.5 volt battery.
a) Find the equivalent resistance connected across the
battery.
b) Find the potential across each of the four resistors, and the
current through each.
c) Find the power dissipated by...

Resistors R 1 = 20 ohms, R 2 = 40 ohms, and R 3 = 60 ohms, are
all connected in series with one another.
The combination of three resisters in series is now connected in
parallel with a 240 ohm
resistor, and the resulting circuit is connected across an ideal
62.5 volt battery.
a) Find the equivalent resistance connected across the
battery.
b) Find the potential across each of the four resistors, and the
current through each.
c) Find...

When two unknown resistors are connected in series with a
battery, the battery delivers 255 W and carries a total current of
5.00 A. For the same total current, 40.5 W is delivered when the
resistors are connected in parallel. Determine the values of the
two resistors.
_____Ω (higher resistance)
_____Ω (lower resistance)

. A series-parallel combination of resistors is created from 4
resistors, there is a 45 ohm resistor followed in series by a
parallel combination of a 30 Ohm resistor on one branch, and a 10
Ohm and a 15 Ohm resistors in series on the other branch. The whole
combination is attached to a 12 V battery. a) find the net
resistance of the resistors to the current from the battery. b)
What is the current in the 45 Ohm...

Two identical resistors are connected in parallel across a 27-V
battery, which supplies them with a total power of 6.9 W. While the
battery is still connected, one of the resistors is heated so that
its resistance doubles. The resistance of the other resistor
remains unchanged. Find (a) the initial resistance of each
resistor, and (b) the total power delivered to the resistors after
one resistor has been heated.

Two resistors with values of 25 ohm and 35 ohm, respectively,
are connected in series and hooked to a 12-V battery. a) There are
0.20 A current in the circuit b) There is 2.4 W power expended in
the circuit. There is a box full of 25 Ohm and 35 Ohm resistors.
How many resistors would be needed to make an equivalent resistance
of 170 Ohm? How much power is dissipated in the 170 Ohm equivalent
resistance if connected to...

ADVERTISEMENT

Get Answers For Free

Most questions answered within 1 hours.

ADVERTISEMENT

asked 58 minutes ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 2 hours ago

asked 2 hours ago

asked 3 hours ago

asked 3 hours ago

asked 4 hours ago

asked 4 hours ago