When combing your hair, you scuff electrons from your hair onto the comb. Is your hair then positively or negatively charged? How about the comb?

Q: A 2.0 g plastic bead charged to -4.0 nC and a 4.0 g glass bead charged to +8.0 nC are 2.0 cm apart…

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Q: The potential difference between two points, a and b, in an electric field is 2.00 volts. The energy…

A: Energy required to move charge from one point to another point in electric field is equal to change…

Q: When rubber rod is rubbed with a piece of fur, the rod becomes negatively charged. What happens to…

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Q: -29 40 cm 30 cm -4q 3q

A: The electrostatic potential energy is given by, Here, q1, q2 denotes the charges and r denotes the…

Q: Given two particles with Q = 3.30-μC charges as shown in the figure below and a particle with charge…

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Q: Given two particles with Q=1.70-μC charges as shown in the figure below and a particle with charge q…

A: Disclaimer: Since you have posted a question with multiple sub-parts, we will solve first three sub…

Q: Find the work needed to bring a charge of + 5.9 nC (nano Coulomb, 10-9 C) from infinity to a point…

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Q: Four point charges are located at the corners of square 4 cm has been shown in figure Below, each…

A: Concept used: The electrostatic Coulomb energy is the energy resulting due to arrangement of charges…

Q: Does this question give enough information to solve the problem? How much energy is needed to move…

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Q: When a glass rod is rubbed with silk, it becomes positive and the silk becomes negative—yet both…

A: When a positively charge object is brought near to a neutral object, the distribution of charge in…

Q: how can you make a neutral object become negatively charged?

A: Neutral objects are the objects which have  equal number of protons and electrons.

Q: Two identical charges are maintained at a constant separation. If the charges are both tripled, the…

A: Given data:  Two identical changes q1 = q2 = q  New charges q'1 = q'2 = 3q Required: New force…

Q: Two point charges, +0.04 μC and +6.16 μC, are 20 cm apart in air. Calculate the potential energy and…

A: Given: The two-point charges are +0.04 μC and +6.16 μC. The initial separation between charges is 20…

Q: Four Identical charges (2.4 uC each) are brought from an infinity and fixed to a straight line. Each…

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Q: Which of the following statements about triboelectric charging is true? Select one: After rubbing…

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Q: What is the Voltage needed to have 10 amps of current pass through a 4 ohm resistor?

A: Required : Voltage required.

Q: A balloon is negatively charged by rubbing, and then it clings to a wall. Does that mean the wall is…

A: The electrostatic force is the force of attraction or repulsion between two charged particles.…

Q: Consider a proton moving between two parallel plates of opposite charges, as shown in Figure. The…

A: Given Charge of proton is q=1.60×10-19 C Distance between the plates is d=5 cm=0.05 m Electric field…

Q: A particle with a charge of 4.5 x 10-8 C is 5.5 cm from a particle with a charge of 1.3 x 10-8 C.…

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Q: Electrons have a charge of q = -1.602 × 10-19 C. A student observes that a Styrofoam cup has a total…

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Q: What happens when an atom loses an electron? O It becomes negatively charged. O It becomes…

A: Option b is the right answer  It becomes positively charge

Q: A magician performs a show with a table tennis ball. Her aim is to the ball in the air without…

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Q: If the charge A is positive, B and C are negative and all have equal magnitudes of 4 nC. If they are…

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Q: Two small balls with a mass of 2 g each are hanging on two separate strings 0.5  m (50 cm)  long…

A: according to given data

Q: A rod of length 16 meters and charge 1.5 mC lies along the x-axis from (-8, 0) to (8,0) meters. A…

A: The length of the rod is given as, L=x=16 m, The position of the rod is given as, (-8,0) to (8,0),…

Q: When a glass rod is pulled along a silk cloth, the glass rod acquires a positive charge and the silk…

A: Given Linear charge density of the rod is λ=0.11×10-6 μC/cm Number of electrons need to transfer to…

Q: Two charges were initially held 5 m away from each other. While keeping q, in place, q2 was moved 3…

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Q: The amount of work needed to bring together four identical point charges of 30.3 uC to each corner…

A: We are given four identical point charges, Distance from one diagonal to another is,

Q: after rubbing a balloon on a wool sweater, what do you think happened to make the balloon negatively…

A: This question asks about the phenomenon of a balloon acquiring a negative charge when rubbed against…

Q: In the figure below, what is the work done in bringing a charge of +6.11 μC from infinity to point…

A: The given arrangement consists of an equilateral triangle, having three charges at each of its…

Q: If the magnitude of the electrical force between two point charges with the same sign in the air is…

A: Given data The electrical force between the two-point charges is given as Fa = 400 N. The…

Q: gold foil. He unexpectedly with then current models of atomic In 1910 Rutherford performed a classic…

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Q: Four point charges are located at the corners of square 4 cm has been shown in figure Below, each…

A: Given: Each charge present at corner of square is 4nC. Side of the square is 4cm.

Q: start a car engine, the car battery moves 3.6 × 1021 electrons through the starter motor. -How many…

A: Given  number of electron moves n = 3.6 × 1021  we know that  charge on electron e = 1.6 × 10-19 C

Q: This time your object has a mass of 79.6 kg. Now imagine taking all the protons out of the object…

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Q: A charge of + 40 nC is distributed uniformly along the circumference of a circle with a radius of 10…

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Q: What kind of charging occurs when you slide your body across a plastic surface?

A: When body is rubbed against the plastic surface, frictional force is produced. Due to this friction,…

Q: Two small balls with a mass of 2 g each are hanging on two separate strings 0.5 m (50 cm) long…

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Q: Two balls with charges of Q1= 20 nC and Q2 = 13.33 nC are at a distance of r1=40 cm from each other.…

A: Given, Q1=20 nCQ2=13.33 nC Distance, r1=40 cm Distance, r2=25 cm

Q: The work done by an external force to move a -4.40 µC charge from point a to point b is 7.10x10"-4…

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Q: Four point charges are located at the corners of square 4 cm has been shown in figure Below, each…

A: Given, Charge,Q=4NC=4×10-9CLength of square,a=4cm=4×10-2mCoulomb constant,k=9×109Nm2/C2 Here, we…