Question
In: Physics
Two resistors have resistances R(smaller) and R(larger), where R(smaller) < R(larger). When the resistors are connected...
Two resistors have resistances R(smaller) and R(larger), where R(smaller) < R(larger). When the resistors are connected in series to a 12.0-V battery, the current from the battery is 1.48 A. When the resistors are connected in parallel to the battery, the total current from the battery is 10.9 A. Determine the two resistances. R(smaller)= R(larger)=
Solutions
genius_generous answered 4 months agoRelated Solutions
Two resistors have resistances R(smaller) and R(larger), where R(smaller) < R(larger). When the resistors are connected...
Two resistors have resistances R(smaller) and R(larger), where
R(smaller) < R(larger). When the resistors are connected in
series to a 12.0-V battery, the current from the battery is 1.43 A.
When the resistors are connected in parallel to the battery, the
total current from the battery is 9.95 A. Determine the two
resistances.
Three resistors having resistances of 1.10 Ω , 2.40 Ω , and 5.00 Ω are connected...
Three resistors having resistances of 1.10 Ω , 2.40 Ω , and 5.00
Ω are connected in parallel to a 28.0 V battery that has negligible
internal resistance.
a) Find the equivalent resistance of the combination.
b) Find the current in each resistor.
c) Find the total current through the battery.
d) Find the voltage across each resistor.
e) Find the power dissipated in each resistor.
f) Which resistor dissipates the most power, the one with the
greatest resistance or...
Three resistors with resistances R1, R2, R3 are connected in parallel across a battery with voltage...
Three resistors with resistances R1, R2,
R3 are connected in parallel across a battery with
voltage V. By Ohm’s law, the current (amps) is
I = V* [ (1/R1) +
(1/R2) + (1/R3) ]
Assume that R1, R2, R3, and V
are independent random variables
where R1 ~ Normal (m = 10 ohms, s = 1.5 ohm)
R2 ~ Normal (m = 15 ohms, s = 1.5 ohm)
R3 ~ Normal (m =20 ohms, s = 1.0 ohms)...
Assume that you have a box of resistors that have a Gaussian distribution of resistances with...
Assume that you have a box of resistors that have a
Gaussian distribution of resistances with mean µ = 100 Ω and
standard deviation σ = 20 Ω
(i.e., 20% resistors). Suppose that you wish to form a subgroup of
resistors
with µ = 100 Ω and standard deviation 5 Ω (i.e., 5% resistors) by
selecting all resistors with resistance between the two limits r1 =
µ−a and r2 = µ+a.
(Apparently, you are too cheap to just order the...
1. Show that when two equal resistances are connected in parallel the equivalent resistance is just...
1. Show that when two equal resistances are connected in
parallel the equivalent resistance is just one half that of either
resistor.
2. Suppose that we replaced one of the bulbs in the setup with
one rated at 6V, 7.5W. show that a 1A fuse in the circuit would
blow out when this bulb is given power. What is the operating
resistance of the filament in this bulb? Show Calculation
Two 7.1 Ω resistors are connected in parallel, as are two 3.1 Ω resistors. These two...
Two 7.1 Ω resistors are connected in parallel, as are two 3.1 Ω
resistors. These two combinations are then connected in series in a
circuit with a 19 V battery. What is the current in each resistor?
What is the voltage across each resistor?
Two 60.0 Ω resistors are connected in parallel and this parallel arrangement is then connected in...
Two 60.0 Ω resistors are connected in parallel and
this parallel arrangement is then connected in
series with a 30.0 Ω resistor. The combination is placed across a
120V potential difference. Can you
design the circuit diagram using above data? According to your
observation show that total voltage is
equal to the sum of the individual voltage and also show that total
power dissipated is equal to the sum
of the power dissipated by individual resistor. Also suggest what
will...
When two unknown resistors are connected in series with a battery, the battery delivers 230 W...
When two unknown resistors are connected in series with a
battery, the battery delivers 230 W and carries a total current of
5.00 A. For the same total current, 55.0 W is delivered when the
resistors are connected in parallel. Determine the values of the
two resistors.
20.Two 60.0 Ω resistors are connected in parallel and this parallel arrangement is then connected in...
20.Two 60.0 Ω resistors are connected in parallel and
this parallel arrangement is then connected in
series with a 30.0 Ω resistor. The combination is placed across a
120V potential difference. Can you
design the circuit diagram using above data? According to your
observation show that total voltage is
equal to the sum of the individual voltage and also show that total
power dissipated is equal to the sum
of the power dissipated by individual resistor. Also suggest what
will...
Two resistors when connected in series to a 120-VV line use one-fourth the power that is...
Two resistors when connected in series to a 120-VV line use
one-fourth the power that is used when they are connected in
parallel.
Part A
If one resistor is 2.6 kΩkΩ , what is the resistance of the
other?
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