A parallel plate capacitor is connected to a DC power supply with potential difference V= 20 V. A dielectric slab of thickness d = 10 cm is then inserted between the plates of the capacitor, completely filling the space between them. The dielectric constant of the slab is K = 2. Calculate the induced surface charge density, a, on the surface of the slab (permittivity of vacuum is Eg= 8.85x10-12F/m). A. 1,77 nC/m? • B. 7.12 nC/m2 • C. 3.56 nC/m2 O D. 0.89 nC/m2
Q: need answers for number 5 and 7
A: The magnetic force is defined as --(eq-1) Where F denotes force, q is charge, v is velocity with ...
Q: A 100-ft cable weighing 5 Ib/ft supports a safe weighing 500 lb. Find the work done in winding 80 ft...
A: The work done(W) in winding 80 ft of the cable on a drum. given, length of cable(L)=100 ft weight de...
Q: The formation of helium nucleus, from the fusion process of two deuterium nuclei is shown as below: ...
A: In fusion reaction, two light nuclei combine to form a heavier nucleus in the process they release ...
Q: Monochromatic light from two slits forms an interference pattern on a screen. At a certain point on ...
A:
Q: Solve it please
A: Given, Radius of the circular loop, r=0.5 m The magnetic field,
Q: A ball of mass 455 g traveling with speed of 18 m/s to the left bounces of a wall and moves to the r...
A: The average force is the product of mass of an object and its change in velocity per time. Since it ...
Q: An object travels from the origin along a curved path as shown. If its horizontal velocity vx = 8t m...
A: Given, horizontal velocity vx = 8t m/s t=2 s.
Q: Analysis of the photon absorption spectrum of a diatomic molecule shows that the vibrational energy ...
A: In photon absorption spectrum analysis, a diatomic molecule shows that the vibrational energy level...
Q: A net force acts on an object and accelerates it from rest to a speed v1. In doing so, the force doe...
A:
Q: A frictionless disk of mass 0.50 kg is moving in a straight line across an air table at a speed of 2...
A: Since the disk is moving on a frictionless surface, so it moves with a uniform velocity when it hits...
Q: A corpse was discovered in a motel room at midnight and its temperature was 320C. The temperature of...
A:
Q: Mr. M, mass 90.0 kg, runs at a speed of 15.0m/s [E]. He jumps into the arms of his wife, mass 50.0kg...
A: The law of conservation of momentum is one of the most prominent laws in physics. The principle of c...
Q: The numerical aperture of graded index optical fiber is large compared to step index optical fibers....
A: We know that A fiber having a nonuniform refractive index in the core is called Graded index fiber. ...
Q: The central-field approximation is more accurate for alkali metals than for transition metals such a...
A: Alkali metals contains , a single electron in their, outermost orbit, Examples = Iron , Nickel, cop...
Q: Explain whether the fluorescence occur at a shorter or a longer wavelength than the absorption by de...
A: Fluorescence and phosphorescence are sorts of molecular luminescence methods. A molecule of analyte ...
Q: Let 12.0-eV electrons approach a potential barrier of height 4.2 eV. (a) For what barrier thickness ...
A:
Q: Find the readings of the ammeter and voltmeter in the circuits in Figure 3. The resistance of the vo...
A: Given, Resistance of voltmeter=1200Ω Resistance R1=300Ω Resistance R2=480Ω Voltage at battery=80V
Q: A Ge pin photodiode has a radius of 0.2 mm for an active light receiving circular area. Light that h...
A: The quantum efficiency of the photodiode is given by,
Q: A machine part is undergoing SHM with a frequency of 4.00 Hz and amplitude 1.80 cm. How long does it...
A: Solution: As per the given data,
Q: A uniform, 4.5 kg, square, solid wooden gate 1.5 m oneach side hangs vertically from a frictionless ...
A: Given,
Q: The velocity of a particle which moves along the S-axis s given by V = 2 – 4t + 5t3/2 where t is in ...
A: Here, we use the relation between the position, velocity and acceleration to get the required
Q: A ring of current with radius 5 lies in the xy plane with center at the origin and carries a current...
A: Given that a ring lying in xy plane carries a current in positive Φ (counterclockwise) direction, fr...
Q: A plano-concave lens having index of refraction 1.50 is placed on a flat glass plate as shown in the...
A: given data: Plano convex lens curved surface radius of curvature R1=8.35(m) wavelength of sodium lig...
Q: A conducting ring is held a certain distance above a loop carrying a decreasing current as illustrat...
A: If the current in the bottom coil is decreasing, there will be a change in the magnetic field in the...
Q: 60.0° 40.0 T2 T3 F. g A bag of cement weighing 325 N hangs in equilibrium from three wires as sugges...
A:
Q: ACTIVITY: Answer the following problems: velocity (manin) 80 60 40 20 ome "(min) -20 10 20 30 I: Con...
A: The graph shows the variation of velocity (m/min) with time (min) Between the time interval of 0 to ...
Q: The magnitude of the electric field vector on the Earth's surface is E1=-130V/m and is directed towa...
A: The volume charge density is given as uniform. The electric field acts radially as per the problem. ...
Q: A light on the ground at the Manuel’s building is 30 meters away from the building. Mr. Nam is 2 met...
A: Given: To find the speed of the shadow of Mr. Nam in the building is given as,
Q: Explain briefly what happens at every stage (Figure 6 of Superheterodyne receiver block diagram). ...
A: Answer: As per the above-given block diagram, The explanation and working is explained as below:
Q: A light source shines light consisting of two wavelengths, à, = 540 nm (green) and 2, = 450 nm (blue...
A: Solution: Given Values,
Q: A Young's interference experiment is performed with blue-green laser light. The separation between t...
A:
Q: The formation of helium nucleus, from the fusion process of two deuterium nuclei is shown as below: ...
A: 16. Given Binding energy per nucleon for deuterium nuclei=1.09MeV Binding energy per nucleon for hel...
Q: i need the answer quickly
A:
Q: i need the answer quickly
A: Given Potential is given as V=kx4
Q: Determine the output SNR in a Delta modulation system for a 1 KHz sinusoid , sampled at 32 kHz , wit...
A:
Q: A force acting along the x axis is given by F(x) = 3x - 2x, where F(x) is in N and x is in m. Find t...
A: Given Data
Q: Derive the continuity equation for plasma.
A: The motion of a fluid is described by a vector velocity field v(r) (which is the mean velocity of al...
Q: H.W) You have 5 voltage inputs (V1...5) and you wish to calculate 4(V1 + V2 + V3) – 2(V4 + V5). Desi...
A: For the intervting part of the circuit is given by
Q: I An early model of the atom, proposed by Rutherford after his discovery of the atomic nucleus, had ...
A:
Q: The spaceship Nostromo flies away from the earth in the +x-direction at 0.800c. It fires a probe in ...
A:
Q: Some types of bacteria containchains of ferromagnetic particles parallel to their long axis. The cha...
A: The bacteria, behaving like small bar magnets, is placed under the external magnetic field of the so...
Q: Interference occurs with not onlylight waves but also all frequencies of electromagnetic waves and a...
A: Answer: As per the given data,
Q: I did not understand, help me
A: Given, and curve
Q: Paula is studying two different animals. Both animals are classified within the same genus, but they...
A: Species are defined as the confined and distinct group of animals, having the ability to interbreed,...
Q: Public Radio station KXPR-FM in Sacramento broadcasts at88.9 MHz. The radio waves pass between two t...
A: The wavelength of the wave is, where is speed of light and is frequency. The condition for minimu...
Q: The variable resistor Ro in the circuit is adjusted until the power dissipated in Ro is 40 W. Find t...
A: Let the point between R1 and R3 is the first nodal point. And the point between R3 and R4 is the sec...
Q: A straight, 2.5 m wirecarries a typical household currentof 1.5 A (in one direction) at a location w...
A: From question, Length of the wire Current in wire The magnetic field from south to north magnetic...
Q: Which decade is generally associated with the beginning of drug use among young, middle-classAmerica...
A: Drugs like opium (from which oxycontin & heroin & morphine are made) and cocainewere vie...
Q: An aircraft flies directly overhead at an altitude of 5 km. If the sound of the aircraft is heard 6 ...
A: The sound took 6s to cover a distance of 5km. Use the time-distance formula to calculate the speed o...
Q: Ernest Goes Fishing. After putting his fishing gear in the canoe he walks back to his car to lock i...
A: Concept Given data
Step by step
Solved in 4 steps with 4 images