Question

(a) In a series circuit, the total resistance is always _____ than any resistor in the circuit.

(b) According to the voltage divider rule, for a series circuit containing 100 Ohm, 9 K Ohm, and 5 K Ohm resistors and a voltage source, the largest voltage drop is expected to be across which resistor?

(c) Three resistors R1, R2 and R3 are connected in series with a 20V source, if R1 is 5 ohms and 1.5 A of current is flowing through it, what is the current through R3?

(d) State Kirchhoff's voltage law.

(e) The voltage regulation of generator A is 7% and that of generator B Which is 3%. Which is a better generator?

Answer #1

Consider a simple circuit with two resistors connected in
parallel.
R1 = 30.0 Ohm, R2 = 10.0 Ohm, and a 12 V battery
Calculate the following values to one decimal places (enter just
the number)
The equivalent resistance Ohms
The voltage across resistor R1 V
The voltage across resistor R2 V
The current through resistor R1 A
The current through resistor R2 A
Consider a simple circuit with two resistors connected in
series.
R1 = 1.0 Ohm, R2 = 7.0 Ohm, and a 12 V...

Resistor R1=3.7 Ohm is connected in series to parallel combination
of resistors R2=7.9 Ohm and R3=11.1 Ohm. Find equivalent resistance
of this combination. Give answer in Ohms.
Resistor R1=3.7 Ohm is connected in series to parallel combination
of resistors R2=7.9 Ohm and R3=10.7 Ohm. This combination is
connected to the ideal battery of V=10.6 V. Find current through
the R3. Give answer in A.

Resistor R1=3.0 Ohm is connected in series to a parallel
combination of R2=9.0 Ohm and R3=7.0 Ohm. The combination of three
resistors is connected to a real battery of emf 12.0 V. Find
internal resistance of a battery if current through a battery is
0.40 A. Give answer in Ohms.

Two resistors, with resistance R1= 5 ohms and R2=25 ohms are
connected in series in a circuit. The current flow generates heat
at a rate of 1280 J/s in R1. What is the voltage drop across
R2?

Resistor R1=3.7 Ohm is connected in series to parallel
combination of resistors R2=7.9 Ohm and R3=11.1 Ohm. This
combination is connected to the ideal battery of V=10.6 V. Find
voltage drop on the resistor 7.9. Give answer in V.

Consider the following series circuit with a 105 volt battery
and three resistors; R1=4 ohm, R2=5 ohm, and R3=6 ohm a) Will the
current in this circuit flow clockwise or counterclockwise? Explain
your reasoning in three lines or less. b) What is the equivalent
resistance of the three resistors above wired in series, in ohms?
c) Draw the equivalent simple circuit. d) Find the current in the
equivalent simple circuit, in amps. e) What is the current in the
original...

Four resistors R1=R2 =1Kohm, R3=R4=2Kohm, are connected in
series, and their combination is connected in parallel with
R5=2Kohm and R6=3Kohm. An ammeter measures an electric current of
3mA flowing through the resistor R5. What is the voltage applied to
the circuit

Given R1 = 10 Ohms, R2 = 14 Ohms, and
R3= 9 ohms, calculate the voltage drop across
R3 if the resistor R1 is in series with a
parallel combination of R2 & R3 and the
whole circuit is connected to a 12 V Battery.

Given three resistors R1 = 4 ohms, R2 = 6
ohms, R3 = 8 ohms and a 12 volt battery source.
Construct a schematic diagram of the third resistor in parallel to
the series combination of the first and second and resistor. Solve
for total resistance, total current, and the voltage through each
resistor

Three resistors (R1 = 36 Ω, R2 = 33 Ω,
R3 = 37 Ω) are connected in series to a 7 V battery as
shown. The internal resistance of the battery is negligible.
(a) What is the current flowing through R1
(b) What is the current flowing through R2
(c) What is the current flowing through R3
(d) What is the voltage across R1
(e) What is the voltage across R2
(f) What is the voltage across R3

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