do resistance and resistivity depend on: - the wire length? - the wire cross-section? - the wire shape?

Q: Find / and Vab in the circuit given below, where the value of Vy is 10 V. V₂ + 3Ω www The value of…

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Q: Which of the following statements is true of a shorted component in a series circuit? a. The…

A: Which of the following statements is true of a shorted component in a series circuit...

Q: A lossless transmission line having surge impedance loading (SIL) of 2280 MW. A series capacitive…

A: Given- Surge Impedance Loading- SIL=2280 MW, Series capacitive compensation=30%, To Find- SIL of the…

Q: An alternating current varying sinusoidally, with a frequency of 50 Hz has an rms value of 20 A.…

A: The frequency,f=50 Hz Irms=20 A   Peak value Ipk=202=28.284 A a) The time = 0.0025 sec b). The time…

Q: + 15 V - RT 411 2.5 Ω www 3.4 Ω 26 Ω 20 Ω Μ 11.25 Ω

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Q: • The plates of a capacitor are separated by a mica sheet 0.0001 m thick. The effective area of the…

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Q: A sawtooth voltage wave increases linearly from 0 to 200 V in the interval from 0 to 2 seconds. At…

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Q: A capacitor which has an internal resistance of 10Ω and a capacitance value of 160uF is connected to…

A: Given: The internal resistance is  10 Ω The capacitance is 160 uF The supply voltage is v(t) =…

Q: Derive an expression for y[n] = x[n] ⋆ h[n] where x[n] = b^u[n] and h[n] = a^u[n]. What will be the…

A: In this question,  We need to determine the expression of the output y(n).  We are solving this…

Q: 1. Find the currents in the circuit shown using 4Ω Vg SV 2521 www Η V 8 Ω 3V

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Q: 2. Solve for the Thevenin Equivalent Circuit at terminals a and b.

A: Given- Current source = 1 A, 3A Voltage source- 14V To find- Thevenin equivalent circuit= ? We know,…

Q: How many cycles does a sine wave go through in 10 s when its frequency is 60 Hz?

A: We need to find out number of cycles for given time and frequency.

Q: Find the equation for the load line (diode current vs diode voltage). Also, find the current and…

A: The given circuit is as shown below,

Q: 2. Four resistances are connected in parallel 5 ohms, 10 ohms, 15 ohms and 20 ohms respectively to a…

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Q: Given the period T = 861 microsecond, find the frequency in rad/sec. Provide your answer in rad/sec…

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Q: 1. In the following circuit, solve for Req, IT, I₁, and I₂ using KCL and current divider formula. #…

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Q: Problem 3 - Mesh Analysis with Dependent Source VB ww RB Ix ( ↑ www RA www Rc [Design] Using only…

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Q: A sawtooth voltage wave increases linearly from 0 to 200 V in the interval from 0 to 2 seconds. At…

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Q: 2. Investigate the concept "supermesh", and applied this concept to obtain in the circuit of Figure…

A: The circuit is shown below with the directions of the currents indicated:

Q: The illumination of a drawing office 30 m x 10 m is to have a value of 250 lux and is to be provided…

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Q: A 10ohm resistor, a 20ohm resistor and a 30ohm resistor are connected (a) in series, and then (b) in…

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Q: JOIN 3 circuits below(1,2 and 3) in a carry-ripple adder configuration and demonstrate binary…

A: According to the question, we need to design a circuit by joining 3 circuits, Circuit 1: a…

Q: For the circuit in the given figure, use KVL to find the branch voltages V₁ to V4. Assume A = 8 V, B…

A: Given:

Q: Draw a schematic of  the full-adder using a single 74153 IC.

A: Given: IC 74153 To do: Draw a schematic of  the full-adder using a single 74153 IC.   Note: As…

Q: Consider an air-gaped parallel-plate capacitor (you can use fo=8.85 x 10-12 c²/(N-m²)). The…

A: Given: A parallel plate capacitor with air gap between plates has, Permittivity of the air,…

Q: 6. In a 4-pole, 35 slot d.c. armature, 180 coil span will be obtained ....... slots.…

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Q: A coil has an inductance of 40 mH and negligible resistance. You must determine its inductive…

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Q: What is the type of generation and short not on distributed generation

A: .                         SOLUTION  Type of Generation There are different  type of Power…

Q: In the circuit shown in the figure, if the power consumed by the 5 Q resistor is 10 W, then the…

A: Given- A R-L series circuit is given, Power consumed P=10 W, Resistor R=5 Ω. To Find- The power…

Q: 1. A circuit consisting of a source, a resistor and a load, has a current i that oscillates as a…

A: Given: i = 2.5sin(π4)e-2.5t+2.5sin(2.5t-π4) Find: t=? when current reach zero after t = 0

Q: The digital output of a DAQ board is 0 V for false, 5 V for true. If the maximum current that the…

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Q: A school uses two 3 kW fires for an average of 20 hours each per week, and six 150W lights for 30…

A: First we will find out the total number of kWh then we will find out total cost .

Q: Question 6 Determine and sketch y(t) = x(t) h(t) for the functions shown below. x(t) = sin(nt)…

A: x(t) = sin (πt)[ u(t)-u(t-2)] h(t) = u(t-1) - u(t-3) We need to find convolution of x(t) and h(t)…

Q: 1- the potential of the point A in the network shown in Fig.1 (a) 6 V (b)7 V (c) 8 V (d)none of…

A: Given a circuit.  Asked to find the nodal voltage at marked point.

Q: A 20 kW COMPOUND GENERATOR WORKS ON FULL LOAD WITH TERMINAL VOLTAGE OF 250V. THE ARMATURE, SERIES…

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Q: 400 power, kw Time, hrs 22 1. What will be the highest power value for this project?).

A: The given figure is shown below:

Q: 5. Examine the following systems with regard to linearity, time-invariance, causality, and…

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Q: Question 6 A wire of diameter 2 mm and conductivity 5 x 107 S/m has 1029 free electrons per cubic…

A: Given data: D=2 mmConductivity= 5×107 s/mFree electron= 1029Electric field= 1 mV

Q: A full-wave rectifier produces a 32V peak rectified voltage from a 50Hz ac source. Determine the…

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Q: Solve the area under g(t). g(t) = 2e-3|t+4|j4π fot

A: Given: 2.e-3t+4ej4πf0t

Q: + R₁ Answer R₂ + R R₁ R₁ For the circuit shown above, use any method you wish to calculate the…

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Q: A receiver connected to an antenna whose resistance is 75 ohms has an equivalent resistance of…

A: Given, the equivalent resistance of the antenna is,Req=50 Ω resistance of the receiver will be, R=75…

Q: SEATWORK For the circuit shown calculate (a) the current drawn from the source, (b) the p.d. across…

A: We need to find out the current, voltage for given circuit , we will use current division and…

Q: 1) A superconducting magnet carries a 100A current through a 0.5mm diameter superconducting wir that…

A: The current density and total charge in wire can be done by using only basic formula. The formula…

Q: A school uses two 3 kW fires for an average of 20 hours each per week, and six 150W lights for 30…

A: Power P1 = 3 kW Time T1= 20 hours Power P2 = 150 kW Time T2= 30 hours Cost of electricity = 14.25 p…

Q: A magnetic core in the form of a closed circular ring has a mean length of 30 cm and a cross-…

A: Given that: A magnetic core of a closed circular ring. l=30 cm=30×10-2 ma=1 cm2=1×10-4…

Q: The Norton resistance for the circuit is Α) 500 Ω Β) 1.0 ΚΩ C) 1.5 kΩ D) 2.0 ΚΩ 101 R Μ 10120 1010…

A: Given data, Circuit diagram is given as,

Q: 100 volts rms value triangular wave, the peak voltage will be (a) 100 V (b) 111 V (c) 141 V (d) 173…

A: We need to find out the peak value of triangular wave for given RMS Value .

Q: An instantaneous current, i = 250 sin ωt mA flows through a pure resistance of 5 kohm. Find the…

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Q: Current amplifier CATHR Source R₂ Load 1. Apply the current divider formula twice to derive an…

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Photoelectric

The photoelectric effect occurs when light (or similar incident radiation, including X-rays) falls on material together with a metal plate and causes it to emit electrons. The discovery of the photoelectric effect led to important new theories (and to a Nobel Prize for Albert Einstein). Photoelectric cells, or photocells, are utilized in burglar-alarm light detectors and garage-door openers (each employs a through-beam of light this is broken when something movements throughout it), and also to play soundtracks on film movies (in which a light beam shines through the soundtrack encoded at the film and is "read" with the aid of the photocells).