Credit cards have a magnetic strip that encodes information about the credit card account. Why do devices that read the magnetic strip often include the instruction to swipe the card rapidly? Why can't the magnetic strip be read if the card is swiped too slowly?

Q: A device uses five silicon chips. Suppose the five chips are chosen at random from a batch of a…

A: The probability that the device contains no defective chip when it is made upfrom one batch. given,…

Q: A metal object with Length lo m and Area(o-smm2) and vesistence of o-34 2 Apetential voltage 5 Velt.…

A: Solution: given that L = 10 m A = 0.5 mm2 = 0.5x10-6 m2 R = 0.34 Ohm V = 5 V electron density =…

Q: ニ it To convert u Naud gakes

A: The given expression is for a XOR gate and in the given diagram it is made by 3 AND gates. This can…

Q: Consider a Radius thin Spherical She 14 Cm witha 32 micro columb distributed its. (a) total Charge…

A: Given Spherical shell radius (R) = 14 cm Charge (q)                       = 32 μC

Q: Given data The Mass attached to the The The Required spring spring Solution -What would be the…

A:

Q: Hi Hlo expert Hand written solution is not allowed.

A: Mass of wire,Length of wire,Area of wire,To find:Calculate the final length of wire.

Q: Determine v, and i, in the circuit. 4 A 2Ω 8 Ω + 60 V 10 N ix

A:

Q: The drawing shows a wire composed of three segments, AB, BC, and CD. There is a current of /- 2.5 A…

A:

Q: сл 2 B 3 7. Consider the network from the previous problem running distance-vector routing has…

A: Given network diagram contains 6 nodes that are A, B, C, D, E, F. The weighted edges are present…

Q: In a high voltage transformer, when the reliability is tested, it has a 6 month reliability of 0.85…

A: Given that, The mean time between failures, t1=6 month The mean time between failures, t2=4 month…

Q: Don't use chatgpt will upvote

A:

Q: You have 3 charges, each with magnitude 78 μC. One charge sits at (x,y)=(0,0) one at (x,y)=(0.9,0),…

A:

Q: the

A:

Q: A basketball is thrown towards a basketball net. What would the FBD of the basketball like at point…

A: At point C the force due tor gravity Fg will act perpendicularly downward from the point.At point C…

Q: A GaAs sample with no 10¹ cm3 is illuminated with light and 1015 electron-hole pairs/cm' an H…

A: Majority carriers are the most abundant carriers, while minority carriers are the least abundant.…

Q: Consider a cosmic ray colliding with a nucleus in the Earth's upper atmosphere that p velocity v =…

A: We know that the distance traveled by the muon is given as  S = γv∆t ------ eq 1  here We know that…

Q: Jiger meray Hand written solution is not allowed.

A: Step 1: Consider the force equilibrium in the horizontal direction ∑Fx​=0Ax​−Bx​=0Bx​=Ax​Bx​=240lbs…

Q: D Tle resstvityof Sea wakr is abut 0.252M) The choge Carriers are chiefly Na and Cl", Cack of which…

A: The velocity acquired by the charge particle when they passes through an electric field is called as…

Q: Q In the Des to 13C12EN Coder eireuit For an ineut Valle of 6the out Put VaIueis:- a)olle b)olot…

A:

Q: Q1: A wave traveling in the positive x direction has a frequency of 25 Hz as in figure 1. Find (a)…

A: The given values aref = 25 HzAnd we are given the figure as shown below

Q: the bar resultS is 1300 cm?/v. Sec- find - Concentra t.on of Pree electrons. 2- Drift velacity.

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: The electrostatic force acting on an electric charge (10 nC) is equal to 400 mN The value of the…

A:

Q: A Filing station uses a Venturi tube to measure the flow rate of gasoline. The density of the…

A:

Q: what about answer of (ii)?

A: We can find this electric field easily by using Gauss law.

Q: What voltage (in kV) must be applied to the 10.0 μF capacitor of a heart defibrillator to store 550…

A: Capacitance C = 10.0 F = 10.0 x 10-6 F Energy E = 550J

Q: ons 11 to 14: gram below shows the position of a cross-country skier at various times. of the…

A: Displacement is the shortest distance between initial and final point Distance is length of actual…

Q: at is difficult to model with N- of motion for the system from

A: Given as,

Q: Can you please elaborate on how do we get 9.8sin35 and how does the equation turns out to be…

A: Please have a good look. It's not 9.8 sin(35).

Q: The acceleration due to gravity is given as g = 32.125 fl/s² and that its variati /s³ per 1000 feet…

A: The acceleration due to gravity is given by the formula g = GM/(Re+h)2 Where Re is radius of the…

Q: A fluid is flowing through a pipe of cross-sectional area of 1.8 x 104 m². The fluid then enters…

A: Now the continuous equation for incompressible liquidA1V1=A2V2Now the crossectional area A1=1.8∗10−4…

Q: For the situation shown in Figure calculate FL , the magnitude of the force exerted by the left…

A: According to our guideline ,we have to do the first question only. please upload other question…

Q: Find Vo? ww- R 12

A: The output of the op amp can be obtained from R2 =4ohm

Q: What is vec(4) + vec (B) ?

A: Vector A is given by A=−2i−2jVector A is given by B=−2i−4jNow the sum of two…

Q: (6) A particle of mass 3kg is attached to the centre of a smooth table by a light inextensible…

A:

Q: If you have a 450 mircocoulomb charge attached to an element how many excess protons would you…

A: Given: The charge on the element is 450 μC.

Q: Rubbing two things together causes

A: If two objects rub together, friction causes some of the energy of motion to be converted into heat.…

Q: Calculate vakio of Fmal to imidial if 12 dB? Can Xeduce intersity of level to eas plag Wave

A:

Q: Activity 11: Network of Capacitors V = 20V Solve for the (a) equivalent capacitance (b) charges on…

A:

Q: In a diagnostic x-ray procedure, 4.80x1010 photons are absorbed by tissue with a mass of 0.580 kg.…

A: GIven that number of photons,n= 4.8 x1010 mass of the tissue,m= 0.58 kgwavelength of the x-ray,

Q: Hi hlo Expert Hand written solution is not allowed.

A: Step 1:Torque on a current carrying loop due to magnetic field (B) is given by: τ=m×BWhere, m is the…

Q: Ion electron clouds 100-200 Kev Silicon wafer The ion distribution into the silicon can be…

A: Here we can use some notation: Np     is the peak concentration. Rp        is the projected…