Select the correct expression to describe the electromotive force - e.m.f. a. The e.m.f. of a source is the work done per charge.  b. The e.m.f. of a source is the force between  current-carrying wires. c. The e.m.f. of a source is the force between interacting electric charges. d. The e.m.f of a source is equal to the potential difference between the terminals of the source.

Q: Electric potential and Electromotive force (EMF) have different units. O are undefined terms. O have…

A: Unit of electric potential and electromotive force(EMF) is volt.

Q: Inside a good conductor in equilibrium, such as aluminum with only small current flowing, there is…

A: Electric potential is the work done per unit charge moving in the field

Q: A coaxial cable used in a transmission line has an inner radius of 0.10 mm and an outer radius of…

A: Given:- ri=a=0.10mm  and  ro=b=0.60mm The permittivity of polystyrene is between 2.4–2.7  So we will…

Q: A cardiac defibrillator can be used to help an erratic heartbeat return to a regular pattern. A…

A: Given data The voltage is given as V = 8000 V. The energy stored is given as U = 500 J.

Q: Q2. An electron with kinetic energy of 2x101 J is moving to the right along the axis of a…

A: Given data : Kinetic energy of an e-, magnitude of E.F., Length of deflection assembly, Length of…

Q: 1. The temperature near the center of the Sun is thought to be about 15 million degrees Celsius.…

A: The given data are listed below with appropriate variables. Here, T denotes the temperature and q…

Q: A +3 nC object is sitting in a -100 V potential. This object is: FREE TO ESCAPE OR BOUND IN PLACE

A:

Q: Investigators are exploring ways to treat milk for longer shelf life by using pulsed electric fields…

A:

Q: What is the voltage of the resting potential? Give a real life example of this?

A:

Q: two alpha particles (helium nuclei), each containing of two protons and two neutrons,have an…

A:

Q: 1:29:04 all A metal plate is connected by a conducting wire to the ground through a switch as shown…

A:

Q: The following figure presents a parallel plate capacitor. The capacitor includes two plates with a…

A: The amount of charge that moves into the plates depends upon the capacitance and the applied voltage…

Q: 8. A lightning bolt from a cloud hits a tree after travelling 200m to the ground through an electric…

A: Electric field E=2×106 V/m Distance d=200 m let the potential difference between the cloud and the…

Q: A student reaches to open a door and gets a small electric shock. She knows that the shock is caused…

A: →Static electricity is an imbalance of electric charges (positive and negative) inside or on a…

Q: a) Every year lightning kills numerous cows during a thunderstorm. But interestingly enough, the…

A: Death or injury may be caused from electrocution may be caused by lightning. Sudden…

Q: 3) Between the parallel plates, a load of m = 6.4x10-¹⁴ g remained stationary under 20 V voltage as…

A: Electric force is given as F=qE=qVr…

Q: When you use a flash camera, it takes a few seconds to charge the capacitor that powers the flash.…

A: The capacitor is defined as a electrical component that stores electric charge. When a capacitor is…

Q: Q2. An electron with kinetic energy of 2x101® J is moving to the right along the axis of a…

A:

Q: Electric potential and electromotive force (EMF) are A) have different units B) undefined terms C)…

A:

Q: An electron volt is used to describe what? a. Potential b. Charge c. Current d. Capacitance e.…

A: We know potential energy in electrostatics is equal to the multiplication of electric potential and…

Q: A cardiac defibrillator is used to shock a heart that is beating erratically. A capacitor in this…

A: The given values with suitable variables are listed below. Here, V denotes the potential difference…

Q: A defibrillator is used during a heart attack to restore the heart to its normal beating pattern. A…

A:

Q: In the figure V = 8.6 V, C1 = 9.2 µF, and C2 = C3 = 22 µF. Switch S is fırst thrown to the left side…

A:

Q: 4. Define the continuity equation, then discuss the relaxation time in dielectric and conducting…

A:

Q: A clock battery wears out after moving 10,000 C of charge through the clock at a rate of 0.500 mA.…

A:

Q: Is it possible to have negative electrical potential energy? If yes interpret it.

A: Potential energy is dependent upon the frame of reference. The frame of reference has been chosen…

Q: Which statements A to E are true? In the process of electrostatic induction O A. a conductor is…

A: The process of producing static electricity in a particular material to bring an electrically…

Q: [Numbers change] The Cassini Orbiter spacecraft collected immense amounts of data about other…

A:

Q: Lightning Strikes. During lightning strikes from a cloud to the ground, currents as high as 25,000 A…

A: Current, I = 25000 A time, t = 40 ms

Q: A charged particle is moving to the right between 2 plates. The plate on the left has a voltage of…

A: a) The particle is deviated from the less negatively charged plate which is placed in the right…

Q: Of the following quantities , the c n character is electric O a. а. energy

A: We will first discuss all the options provided to us one by one respectively. (a)Electric…

Q: When a charged particle is moved along an electric field Iine, Select one: a. the electrical…

A: When a charge particle is moved along an electric field line the electric potential energy undergoes…

Q: A strong lightning bolt transfers about 25 C to Earth. A) How many electrons are transferred? B) If…

A:

Q: A supermarket sells rolls of aluminum foil, plastic wrap, and waxed paper. (a) Describe a capacitor…

A:

Q: A clock battery wears out after moving 8500 C of charge through the clock at a rate of 0.35 mA. a)…

A: Given that value of charge is 8500 coulomb and also given the value of current is .35*10-3 amp. Then…

Q: An electron in an x-ray machine is accelerated through a potential difference of  1.0 × 104 V before…

A: We know that∆K.E=-QVHere∆K.E=Change in kinetic energyQ=ChargeV=Potential Difference

Q: Kirchhoff's Potential Loop Rule states that the algebraic sum of all the electric potential…

A: The Kirchhoff's loop law states that the algebraic sum of all potential differences in a closed loop…

Q: 1. If an electric current flows from one object to another, what can we say about the relative…

A: The electric current flows from higher potential to lower potential.

Q: A bare helium nucleus has two positive charges and a mass of 6.64×10–27 kg. (a) Calculate its…

A:

Q: What is the potential difference ( in volts) across C2 when C, = 5.0 µF, C2 = 15 µF, C3 = 30 µF, and…

A: C1= 5.0 μF, C2= 15 μF, C3= 30 μF, and V0= 22.8 V

Q: Lightning- current Ed- A Figure above indicates one reason no one should stand under a tree during a…

A: Given: The ratio of distance to height is 0.49. The total current is 1637 A. Introduction: When two…