Q: Electric current is the flow of electric charge, usually accomplished by moving atoms neutrons…
A: Metals have free in their outer shells, when an electric field is applied the electrons tend to move…
Q: The force exerted on a unit positive charge is called: potential Electrical field intensity:…
A:
Q: If the number of protons and the number of electrons of a material are equal, then the material is…
A: Answer: The material is said to be Electrically Neutral .
Q: Two balls are close together. they have the same charges the same masses and the charges are the…
A: Electro static force is stronger
Q: An electroscope is positively charged. Because of this, its leaves are separated. When an object is…
A: Given, An electroscope is positively charged. Because of this, its leaves are separated. When an…
Q: Good conductors of electricity, such as metals, are typically good conductors of heat; insulators,…
A: The free electrons in the conductors can conduct heat and electricity and the insulators don't have…
Q: Both Coulomb's Law and Newton's Law of Universal Gravitation | are directly related to the product…
A: Answer Coulombs law states that the force exerted between two point charge is inversely proportional…
Q: Chapter 30 - Supplementary Questions Quiz style questions Reading Quiz Question The human body…
A: Human body contain 70% of water and several cells which has ions like potassium and chloride ion…
Q: Draw a line to connect the following terms to their definitions. A the opposition to the flow of…
A: We have to match the following that is given in the question.
Q: Interactions between charges at rest and the forces between them are called
A: non ohmic interaction: interaction which ohms law is not obeyed ohmic interaction : interaction in…
Q: There is an attractive electrical force between protons and electrons. Describe the electrical force…
A: Electric/Electrostatic/Coulomb's Force - This force act between two point charges. Which ps equal to…
Q: Tripling the distance between two charged particles causes the force between them to --- 1) decrease…
A:
Q: The Coulomb law is an implication of which law? Ampere law Biot Savart law Gauss law Lenz law
A:
Q: Without a fuse or circuit breaker, the current caused by a short circuit easily could start a fire.…
A:
Q: What happens to the force between to charge objects when you halve the distance between them
A:
Q: When a light bulb is connected to a 15-volt battery, the current of 2.4 A flows through it. When the…
A: Given, Voltage V1 = 15 V Current I = 2.4 A Voltage V = 40 V We know the expression for ohms law is…
Q: This illustration is a example of an iron nail Batery coil of wire Battery 02000 How Stuff Works…
A: An electric motor is an electric device that that converts electric energy into mechanical energy.
Q: In the diagram below, the red wire has a current passing through it (the direction is indicated in…
A:
Q: A duster that has lost electrons is said to be A) uncharged B) positively charged C) negatively…
A: Initially the duster was neutral that means the amount of negative and positive changes on the…
Q: Electrons carry energy from a battery to a lightbulb. Whathappens to the electrons when they reach…
A: Given that, The conductor has free electrons in them and thus produces the electric current. When…
Q: It is the ratio of the output force to the input force of a simple machine." AMA Eff IMA It is…
A: (i) AMA = Actual mechanical advantage = Fo/Fi (ii) Wheel and Axel
Q: The SI unit of charge is Coulomb Newton 2 Joule 3 Meter 4
A: We have to find the correct option for SI unit of charge from the four given options.
Q: onsider Coulomb's law and fill in the paragraph Distance of Objects The relationship between…
A:
Q: Objects become electrostatically charged when neutrons move from one object to another protons move…
A: The electronic charge is known as the fundamental charge. The charge of any object in the universe…
Q: Choose the BEST answer to the following: When you brush your hair and scrape electrons from your…
A: When electrons are removed from an object, the object gets electron deficient. Electrons are…
Q: arge of 10 x metre. the potential at a distance 10 cm from its centre. A sphere of radius 5 cm has a…
A: Charge of sphere =Q = 2000 stat C 1 stat C = 3.35*10-10 C Radius of sphere = r = 5 cm = 0.05 m…
Q: The electrical force between two objects is 36 N. If the charge on one of the objects is doubled AND…
A: Given data: Electric force (F) = 36 N New charges q1' = 2q1 and q2' = q2 New distance between the…
Q: Materials that allow electricity to flow are called: A) Insulators B) Conductors C) Electron flows…
A: The conductors are the materials which allows the flow of current through them are called…
Q: The distance between the two protons is 2.0 x 10-10 m. The electrical force between these particles…
A: We know that force between two charges seperated by distance r is F= Kq1q2r2.....(1)
Q: Charges and Coulomb’s Law: Identify the term being described 1. Quantity of electricity…
A: Given 1. Quantity of electricity _____________ 2. SI unit of charge _____________ 3. Study of…
Q: Insulators have resistivity of the order of A) 106 Ω m to 108 Ω m B) 10-12 Ω m to 10-17 Ω m C)…
A: Insulators are the type of materials which does not allow the flow of current through them. The…
Q: An electrical charge of 0.000003 coulombs is 0.06 meters away from another electrical charge of…
A: Given Data : The magnitude of the first charge is given as Q1 = 0.000003C. The magnitude of the…
Q: Two-point charged particles are 4.41cm apart. They are moved and placed in a new position. The force…
A: Given Initial separation between two point charged particles is d= 4.41 cm Initial force is F Final…
Q: The SI unit of charge is a. newton O b. coulomb c. pascal d. joule
A: Electric charge is defined as the amount of current flowing through a conductor. Mathematically, Q =…
Q: An electric fuse is based on: A) the chemical effect of the current B) the magnetic effect of the…
A: The following four options are given to answer the question "An electric fuse is based on: "
Q: billion billion (5x1022) freely moving electrons in a penny repel one another. Why don’t they fly…
A: Electrostatic forces. :- The electrostatic force is defined as an attractive and repulsive force…
Q: Electrical burns occur principally because of A) Radiation pulses of the electricity B) The…
A: When a potential difference is applied then the electrons in the wire start moving from a lower to a…
Q: Choose the BEST answer to the following: To receive an electric shock there must be a (a) current in…
A: Electric shock occurs due to the voltage difference or current is the flow due to the voltage.…
Q: What is the voltage of electricity that is generally supplied to a house?
A: The voltages are generally in the range of 100V to 240V.
Q: Direction of current is opposite the direction of flow of O Negative charges Positive charges…
A: Current as defined as the flow of positive charge normal to an area cross-section per unit time.…
Q: The unit of current is Ampere. In SI units it can be written as Coulomb/meter Coulomb/Volt…
A:
Q: Which of the following is correct? Coulomb’s Law states that the force between two charges (i) is…
A: Coulomb's law states that the force between two charges is directly proportional to…
Q: This diagram shows a wire with a current flowing through it. What do the circles and arrows around…
A: In the given figure, the circles around the wire represent the magnetic field. They are in the form…
Q: Which of the following quantity is a base quantity? O a. Voltage of O b. Electric power jon O c.…
A: In physics, base quantities are those quantities which cannot defined in terms of other quantities.…
Q: What is the functión of the electrical hazard symbol below? A.) It warns of nearby risks of electric…
A: Electrical signs and symbols provide workers and others with information on electrical hazards and…
Q: True or False: The electrical force between charges is strongest when they are far from each other.
A: The electric force acting between two charges are of two types , attractive and repulsive . The…
Q: An electrosurgical instrument passes low-frequency electric currents through biologic tissues to…
A: explaination of above question given in below step.
Q: Two objects, each with a charge of 3×10°C, are repelled with a force of 9 N. The distance between…
A: Given that, Charges, q1=q2=3×10-6 C The force of repulsion between charges, F = 9 N We need to find…
Step by step
Solved in 2 steps
- What role do conductors play in modern technology?A power of 100 kW (105 W) is delivered to the other side of a city by a pair of power lines, between which the voltage is 12,000 V. (a) Use the formula P = IV to show that the current in the lines is 8.3 A. (b) If each of the two lines has a resistance of 10 Ω, show that there is a 83-V change of voltageSHOW COMPLETE SOLUTIONS AND ILLUSTRATIONS A 240-V clothes dryer draws a current of 15 A. How muchenergy, in kilowatt-hours and in joules, does it use in 45 minutesof operation?
- High-voltage power lines are used to transport electricity cross country. These wires are favored resting places for birds. Why don't the birds die when they touch the wires?Fill the below mentioned table. Write units and M L T form of the given quantity. Fill the below mentioned table. Write units and M L T form of the given quantity. Quantity Base unit Units MLT mass length time velocity acceleration area volume force power work pressure current resistance potential differenceWhy does current travel at 400,000V through the national grid?