Question

A 24-V battery is connected to two resistors, 56.0 Ω and 82.0 Ω, which are joined together in series. (a) What is the current and power for each resistor? (b) What is the current and power for each resistor if you join them in parallel instead?

Answer #1

A 56.0-Ω resistor is connected in parallel with a 118.0-Ω
resistor. This parallel group is connected in series with a 15.0-Ω
resistor. The total combination is connected across a 15.0-V
battery. (a) Find the current in the 118.0-Ω
resistor.
(b) Find the power dissipated in the 118.0-Ω resistor.
W

(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

4, 8, and 12 Ω resistors are connected series with 24 V
battery. Find current through each resistor and potential
difference across individual resistors.

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.

Three resistors of 12 Ω , 12 Ω , and 6.0 Ω are connected in
parallel. A 12-V battery is connected to the combination. What is
the current through the 6.0 Ω resistor?
Three capacitors of 12 μF, 12 μF, and 6.0 μF are connected in
series. A 12-V battery is connected to the combination. What is the
charge on the 6.0 μF capacitor?

Two 15 Ω and three 25 Ω light bulbs and a 24 V battery are
connected in a series circuit. What is the current the passes
through each bulb?

A circuit consists of two resistors, 1.80 Ω and 9.79 Ω,
connected in series. The combination of resistors is connected to a
12.0 V battery. Calculate a) the equivalent resistance of the
circuit, b) the current in the circuit, and c) the total power
usage of the circuit.

Three resistors connected in parallel have individual values of
4.0, 6.0, and 10.0 Ω, respectively. If this combination is
connected in series with a 12-V battery and a 2.0- Ω resistor, what
is the current in the 10.0- Ω resistor?
a.
11 A
b.
16 A
c.
1.0 A
d.
0.55 A
If ε = 9.0 V, what is the current in the 15- Ω
resistor?a.
0.26 A
b.
0.20 A
c.
0.30 A
d.
0.10 A

67.5-Ω resistor is connected in parallel with a 167.0-Ω
resistor. This parallel group is connected in series with a 27.5-Ω
resistor. The total combination is connected across a 12.2-V
battery. Find (a) the current and (b) the power dissipated in the
167.0-Ω resistor

A 62.0-Ω resistor is connected in parallel with a 117.0-Ω
resistor. This parallel group is connected in series with a
16.0-Ωresistor. The total combination is connected across a 15.0-V
battery.
(a) Find the current in the 117.0-Ω resistor.
A
(b) Find the power dissipated in the 117.0-Ω resistor.
W

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