Circuit theoty
Figure 1 shows a graph of Current (mA) vs Voltage (V) for three different materials namely A, B and C. Based on the graph, answer the following questions:
Sketch a graph for Power (W) vs Current (mA) for Material B. On the sketched graph, show the values of power when the values of current are 50 mA and 100 mA.
Assume Materials A and C have cylindrical shapes of the same length. If cross sectional area of Material A is double as compared to Material C, determine the ratio of resistivity of Material A to Material C.
Find the equivalent conductance, G, when the three materials are connected in series in series and also when they are connected in parallel. Give your answer in two decimal points.
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2) Two identical cylindrical conductors each has a cross section area of 0.8 cm2 = 8.0...
2) Two identical cylindrical conductors each has a cross section area of 0.8 cm2 = 8.0 × 10-5 m2. length of 1.2 cm, and resistivity 0.1 Ω·m. T. When the cylinders are connected in series, calculate the total resistance two different ways and verify that you get the same answer. g. If the battery has a potential difference of 6 V, calculate the current flowing from the battery when these two resistors are connected in series. h. Draw a single...
The most common component of a circuit is a resistor. A resistor is a device which...
The most common component of a circuit is a resistor. A resistor is a device which resists electrical flow in a circuit. If you think of water flowing, a water resistor is a waterwheel; it reduces the flow while getting something useful out of the flow. We’ll make a few predictions before we start. Answer these questions on your whiteboard. Imagine a resistor in a circuit with current flowing around the circuit. The resistor is simply a wire of a...
4. The equivalent circuit for a voltage source Vs in series with a resistor R 1s...
4. The equivalent circuit for a voltage source Vs in series with a resistor R 1s A voltage source Vs in parallel with a resistor whose conductance,G is /R (IR A current source of value Vs/R in parallel with a resistor of value R A current source of value Vs/G in parallel with a resistor of value G) a. b. c.
Consider the rectangular prism shaped wire shown in the figure below where the cross sectional part...
Consider the rectangular prism shaped wire shown in the figure
below where the cross sectional part is a square with sides d=10.1
mm. The current runs along the length of the wire where ℓ =7.3 m
and the wire has cylindrical hole along its length with a cross
sectional area of A=21 mm2. If the wire is made out of a material
whose resistivity is 126 × 10-6Ω.m , determine the resistance of
the wire.
Please express your answer in...
A wire 2.60 m long with a cross-sectional area of 7.07x10-6 m2 is connected to a...
A wire 2.60 m long with a cross-sectional area of 7.07x10-6 m2 is connected to a 30.0 V power supply. If a current of 12.0 A is measured in the wire, a) what is the resistivity of the wire in ohm-meters? Answer in scientific notation. b) If this resistivity had been measured at 20.0 °C, what temperature, in Celsius, would we need to heat/cool the wire to for the resistance to be 4.25 Ω if the temperature coefficient of resistivity...
1. Does the resistance of the whole circuit increase, decrease, or stay the same when additional...
1. Does the resistance of the whole circuit increase, decrease, or stay the same when additional light bulbs are added in parallel? 2. Does the voltage across each individual light bulb increase, decrease, or stay the same when additional light bulbs are added in parallel? 3. Are light bulbs brighter when they're connected in series or in parallel? 4. Consider a whole circuit. When the power supply is set to 12V, does the power supply provide more current to the...
Find , for the following the sub-circuits: a) If three resistors of 2, 4, and 60...
Find , for the following the sub-circuits: a) If three resistors of 2, 4, and 60 connected in series. b) If two resistors of 40 each are connected in parallel. c) Convert all resistors values to conductance. Then find Geq 22 22 20 40 40 20 d) Convert all resistors values to conductance. Then find Geq R = 2 22 8 S2 8 2 R 8 2 e) Convert all resistors values to conductance. Then find Geq 4 2 8...
Consider the rectangular prism shaped wire shown in the figure below where the cross sectional part...
Consider the rectangular prism shaped wire shown in the figure below where the cross sectional part is a square with sides d-8.1 mm. The current runs along the length of the wire where! -6.9 m and the wire has cylindrical hole along its length with a cross sectional area of A-12 mm2. If the wire is made out of a material whose resistivity is 220 x 10-60.m, determine the resistance of the wire. Please express your answer in units of...
A 1.60 m cylindrical rod of diameter 0.550 cm is connected to a power supply that...
A 1.60 m cylindrical rod of
diameter 0.550 cm is connected to a power supply that maintains a
constant potential difference of 14.0 V across its ends, while an
ammeter measures the current through it. You observe that at room
temperature (20.0 ∘C) the ammeter reads 18.3 A , while at 92.0 ∘C
it reads 17.3 A . You can ignore any thermal expansion of the
rod.
232 Electric Current Exercise 25.11 Constants PartA A 1.60 m cylindrical rod of...
Circuit Analysis in Electrical Engineering 4. A resistor and a capacitor are connected in series across a 270-V ac supply. When the frequency is 40 Hz, the current flowing in the circuit is 6.25...
Circuit Analysis in Electrical Engineering 4. A resistor and a capacitor are connected in series across a 270-V ac supply. When the frequency is 40 Hz, the current flowing in the circuit is 6.25 A. When the frequency is 50 Hz, the current flowing in the circuit is 7.5 A Calculate the resistance and capacitance of the resistor and capacitor respectively. (99.97 μF; 16.798 Ω) If the resistor and capacitor are now connected in parallel across the 60-Hz supply, calculate...
2) Two identical cylindrical conductors each has a cross section area of 0.8 cm2 = 8.0 × 10-5 m2. length of 1.2 cm, and resistivity 0.1 Ω·m. T. When the cylinders are connected in series, calculate the total resistance two different ways and verify that you get the same answer. g. If the battery has a potential difference of 6 V, calculate the current flowing from the battery when these two resistors are connected in series. h. Draw a single...
4. The equivalent circuit for a voltage source Vs in series with a resistor R 1s A voltage source Vs in parallel with a resistor whose conductance,G is /R (IR A current source of value Vs/R in parallel with a resistor of value R A current source of value Vs/G in parallel with a resistor of value G) a. b. c.
Consider the rectangular prism shaped wire shown in the figure
below where the cross sectional part is a square with sides d=10.1
mm. The current runs along the length of the wire where ℓ =7.3 m
and the wire has cylindrical hole along its length with a cross
sectional area of A=21 mm2. If the wire is made out of a material
whose resistivity is 126 × 10-6Ω.m , determine the resistance of
the wire.
Please express your answer in...
Find , for the following the sub-circuits: a) If three resistors of 2, 4, and 60 connected in series. b) If two resistors of 40 each are connected in parallel. c) Convert all resistors values to conductance. Then find Geq 22 22 20 40 40 20 d) Convert all resistors values to conductance. Then find Geq R = 2 22 8 S2 8 2 R 8 2 e) Convert all resistors values to conductance. Then find Geq 4 2 8...
Consider the rectangular prism shaped wire shown in the figure below where the cross sectional part is a square with sides d-8.1 mm. The current runs along the length of the wire where! -6.9 m and the wire has cylindrical hole along its length with a cross sectional area of A-12 mm2. If the wire is made out of a material whose resistivity is 220 x 10-60.m, determine the resistance of the wire. Please express your answer in units of...
A 1.60 m cylindrical rod of
diameter 0.550 cm is connected to a power supply that maintains a
constant potential difference of 14.0 V across its ends, while an
ammeter measures the current through it. You observe that at room
temperature (20.0 ∘C) the ammeter reads 18.3 A , while at 92.0 ∘C
it reads 17.3 A . You can ignore any thermal expansion of the
rod.
232 Electric Current Exercise 25.11 Constants PartA A 1.60 m cylindrical rod of...
Circuit Analysis in Electrical Engineering 4. A resistor and a capacitor are connected in series across a 270-V ac supply. When the frequency is 40 Hz, the current flowing in the circuit is 6.25 A. When the frequency is 50 Hz, the current flowing in the circuit is 7.5 A Calculate the resistance and capacitance of the resistor and capacitor respectively. (99.97 μF; 16.798 Ω) If the resistor and capacitor are now connected in parallel across the 60-Hz supply, calculate...
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