A rubber rod is rubbed with fur, so that the fur becomes positive. The rod is then used to charge an electroscope. The charge on the electroscope will be:

Q: Two parallel plates separated by distance of 5cm have a potential difference of 20V between them.…

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Q: In a given fluid, positive ions, each with 1 excess protons, move to the right at a steady rate of…

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Q: n-type semiconductor acquires a negative charge on the material, the majority has electrons as a…

A: In semiconductor there are 2 types of semiconductors no.1 is p type semiconductor and no 2 is n type…

Q: The depletion region is Region of opposite charges O Neutral region Region of infinite energy The…

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Q: It refers to the flow of electric charges during a short period of time when the electrons are in…

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Q: 3) The symbol N. is ... a) The density of the state in V.B. b) The Fermi level state. c) The density…

A: This problem is based on the semiconductor.  The symbol of the Nc

Q: Two charges of - Q are 1 cm apart. If one of the charges is replaced by a charge of +2Q, the…

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Q: FILL IN THE BLANKS 1)When a positively charged metal touches an electroscope, electrons transfer…

A: consider the given question;

Q: Q': choice the correct answer in each of the following 1. With rise in temperature the electrical…

A: As per Bartleby guidelines we are allowed to solve only three subparts,please ask the rest again.

Q: What is the electron velocity in the channel if μn = 600 cm2/V ·s and the electric field is5000…

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Q: identify or give two (2) specific direct applications of electromagnetism which may be devices…

A: Electromagnetism plays an important role in designing many electrical equipment. A coil is excited…

Q: why basic occupational Safety and HEalth important to study in ELectrical engineering.

A: While taking about the risks and hazards involved in Electrical engineering and the hands-on…

Q: One of the methods of charging materials wherein the transfer of charges is due to the contact…

A: For the given method, charging materials wherein the transfer of charges is due to the contact…

Q: A particle is moving from higher electric potential to lower electric potential and its kinetic…

A: The detailed answer is solved below according to the given parameters and instructions in the…

Q: 5. Two point charges of 4 µC and 16 µC are separated by a distance of 14 mm. A point P is at a…

A: Potential due to 4μC charge at point P,V1=14πε0×qrV1=9×109×4×10-68×10-3V1=4.5 V

Q: What is the Property of an Inductor? a. Oppose the sudden change in voltage b. Oppose the flow of…

A: Voltage across inductor is given by, VL = L * di/dt Where, i = current flows through inductor For…

Q: 16 16 - The mobile charge carriers in metal are ............    A) positrons  B)  protons…

A: Electrons are major charge carriers in metals.

Q: Q?: Fill in the following blanks with suitable words : 1. Conductivity of a material depends on: and…

A: As per Bartleby guidelines we are allowed to solve only three subparts,please ask the rest again.…

Q: In a television picture tube, electrons are accelerated by an electric field having a value of 1x105…

A: Given data, Electric field, E=1×105 N/C Mass of electron, m=9.1×10-31 kg Charge of electron,…

Q: What is the electron velocity in the channel if un = 600 cm2/V •s and the electric field is 5000…

A: Given Part (a) un=600 cm2/V.s E=5000 V/cm Part (b) un =400 cm2/V.s E=1500 V/cm

Q: with many different wiring patterns in use. b)  The ____ results in a material that can supply…

A: There are the few questions related to basics of electromagnets, semiconductors,and wiring in…

Q: 3. The resistance of the copper field winding of a DC machine at 40 deg. C is 0.40 ohms. After…

A: As per company guidelines we supposed to answer 1st question only.Kindly upload other question…

Q: The nucleus of an atom contains _____.   Select one: A. NEUTRONS AND PROTONS B. NEUTRONS AND…

A: Inside an atom, the electrons revolve around the atomic nucleus.

Q: For the circuit shown in the figure, ?0=100ϵ0=100 Volt, ?1=50ΩR1=50Ω, ?2=100ΩR2=100Ω, ?=2??C=2μF.…

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Q: insulating material that separates the electrodes of a capacitor. Select one: a. dielectric b. air…

A: We need to select correct option for capacitor .

Q: P1.52. The resistance of a certain copper wire is 0.5 N. Determine the resistance of a tungsten wire…

A: Referring to the question, the dimension of the tungsten wire and the copper wire is the same.…

Q: One of the methods of charging materials wherein the transfer of charges is due to the contact…

A: method of charging materials wherein the transfer of charges is due to the contact between two…

Q: Problem 1. www 2 K D₁ 1 K Vo Vi D₂ 2.6 V Diodes D1 and D2 are Silicon with forward voltages of 0.7…

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Q: Consider electrons flowing in copper. (a) Compute the average time between collisions τ for free…

A: Given Data: Resistivity of copper = 1.69 x 10-8  ohm-m speed of electron = 106 m/s average distance…

Q: A copper wire has a diameter of 2.05 mm and carries a current of 15 A due solely toelectrons. (These…

A: Diameter of copper wire is d = 2.05 mm So, radius of copper wire is;

Q: For the current shown in the figure below, find the charge waveform and then find the value of…

A: The solution is given below

Q: voltage is equal to the change in energy divided by the change in charge Select the correct…

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Q: An insulator has 3 units. The capacitance between each insulator pin and earth is 15% of self…

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Q: Determine the breakdown voltage of air gaps 2mm 15 mm length under uniform field. Also determine the…

A: It is given that: d1=2 mm=0.2 cmd2=15 mm=1.5 cm

Q: (d) What fraction of charge is stored on the plates at time t= 30 s? (e) What fraction of charge is…

A: To solve above question, one should understand the behavior of Inductor and capacitor in DC circuit.…

Q: The resistance of the copper field winding of a DC machine at 40 deg. C is 0.40 ohms. After…

A: The solution can be achieved as follows.

Q: Can you find, use, and analyze the drift velocity of electrons in a wire? Calculate the drift…

A: Given, Current, I = 5 A Radius of wire, r = 1 mm = 10-3 m so Area, A=πr2=π×10-3 m2=3.141×10-6 m…

Q: Explain which has higher range among Ni 100 and Pt 100 . Y axis is resistance.

A: In this question we need to find among Ni 100 and Pt 100 which has high range .

Q: Construct and evaluate a graph to represent the recurrence of discharges in dielectric materials…

A: recurrence of discharges in dielectric materials before break down

Q: is an Area on a device characteristic where the ratio between applied voltage and resulting current…

A: Ohm's Law: According to Ohm's law, the current flowing through a conductor between two places is…

Q: equal

A: the time constant of exponential curve is equal to 63.2% of the maximum charge. It means the…

Q: How is an object charged positively?     You add protons to that     you add electrons to that…

A: We can not make an object positively charged by adding proton (Positive charge) on it because proton…

Q: The figure below shows three possible arrangements of a pair of electrons (the red dots). Consider…

A: given pair of electron.

Q: What is the unit of Electric field formed according to the figure? 2)

A: Choose the correct option?  What is the unit of electric field formed according to the figure?

Q: Each time constant of an exponential curve is equal to what percentage of the maximum amount of…

A:

Q: Coulomb’s law states that the electrical force between two-point charges varies directly as the…

A: Electrical for QF=KQ1Q2r2Case 1 0.019 = K75×10-9×25×10-90.0329.12×10-9=K×10-9×10-9K=9.12×10-9

Coulomb’s Law

Coulomb's law states that the attraction or repulsion force between two charged things is proportional to the product of their charges and inversely proportional to the square of their distance. It has an effect along the line that connects the two-point charges.