Why do power supplies, like voltage supplies and current supplies have internal resistance? How do we maintain the levels of the internal resistance of power supplies? How do internal resistances affect the circuits?
Q: Determine the valus of all the currents flewing on each of the resisten. ww Vs1- 60 V Vs2 = 30 V
A: The circuit is shown below Let the flow of current be clockwise. In mesh 1 -60 V+15I1+45I1-15I3-45...
Q: An object is thrown vertically upward and has a speed of 20.1 m/s when it reaches 0.45 of its maximu...
A: The given object is thrown vertically upwards. This object goes up, against the force of gravity, ac...
Q: A galvanometer with a coil of resistance 40 ohm gives a full scale deflection for a current of 5 mA....
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Q: An emf of 0.70 V is induced across a coil when the current through it changes uniformly from 0.45 to...
A: Given that:- Emf, e = 0.70 V Initial current = 0.45 A Final current = 0.55 A Time (t) = 0.40 s By us...
Q: 7. A sodium doublet consists of two wavelengths, 2, = 5.890 x 10-7 m and åz = 5.896 x 10-7 m. Show t...
A: 7. Given Wavelength λ1 =5.890×10-7 m Wavelength λ2 =5.896×10-7 m
Q: 11. A mass weighing 64 pounds stretches a spring 0.32 mass is initially released from a point 8 inch...
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Q: Required information A car with a mass of 1300 kg travels around a banked curve with a constant spee...
A: Given that Mass of the car is m=1300 Kg speed of the car is v=33 ms Radius of curvature is r=35 ...
Q: Ex. 16 : A resistance of galvanometer is 4052 2. What shunt must be connected so that 1 % of the tot...
A: To find-Shunt resistance (S)=?Given-Resistance of galvanometer (G)=4052 ohmCurrent flowing through t...
Q: 1-37. Derive the Legendre transformation of E in which S-T and N-u.
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Q: 2. On their way back from the Moon, suppose that when the capsule holding Neil Armstrong, Buzz Aldri...
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Q: Solve the following problem step by step (please solve quickly, I'll give 5 upvotes) Topic: Atomic P...
A: (a) Given: The expression for a hydrogenid orbital is given as 2 pz=142π (ZaB)5/2z exp(-Zr2 aB) ...
Q: An object is being spun at the end of a rope O.30 m long and is in a uniform circular motion. In 2 s...
A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question ...
Q: Calculate the rms currents (in A) for an AC source given by v(t) = Vo sin(@t), where Vo = 100 V and ...
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Q: What do you understand with 'cut of wavelength2
A: We know that the energy of the incident photons is inversely proportional to wavelength. So for the ...
Q: Ex. 26 A brass wire of length 5 m and cross- section 1 mm? is hung from a rigid support with brass w...
A: To find-Decrease in length l-l'=?Given-L=5 mA=1 mm2=10-6 m2V=1000 cm3=1000×10-6 m3ρw=103 kg/m3
Q: Take two values, say 1 and 2 and use the relationship V(B) -V(A) =-SĒ dš
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Q: a volume V in vacuum is boundary by a surface S consisting of several separate conducting surfaces S...
A: a) To show that the capacitance of one conductance, b) To show that true capacitance C is always le...
Q: Suppose you have a spherical shell of conducting material and you've placed a single positive point ...
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Q: A cannon shell is fired straight up from the ground at an initial speed of 225m/s. After how much ti...
A: According to the kinematic equation of motion, yt=uyt+12ayt2uy=inital speed in Y directionay=acceler...
Q: Calculate the luminous flux of a ceiling-mounted spot light having an intensity of 200cd, and lighti...
A: Given that, The intensity of spotlight, I = 200cd Distance between spot light and religious icon, d...
Q: 1. Solve the EXAMPLE PROBLEM in the INTRODUCTION using the polygon method. Use an 8.5" x 11" sheet o...
A: A vector can be defined as a physical quantity that has both a direction and a magnitude. Examples o...
Q: A man stands in front of a vertical plane mirror, as shown in the figure. His eyes are 1.7 m above ...
A: Given, Man eyes are 1.7 m above the floor and the top of his head is 0.11 m higher than that.
Q: how to solve PE and KE without given mass?
A: Potential and kinetic energy are both a form of energy. Energy has the units kgm2/s2. So, in order t...
Q: Q. 5 : A wavelength of light 5600 Å produces 60 fringes. What will be the number of fringes produced...
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Q: 2. Describe where radio waves are found on the EMS compared to the other six forms of radiation. In ...
A: Note :- We’ll answer the second question since you have mentioned to skip first one and another exac...
Q: Equipotential Surfaces Which is the positively-charged plate of the capacitor? Top the bottom plate ...
A: The capacitor consisting of non parallel charged plates, creates equipotential surfaces as shown in ...
Q: nechanical system sh s the input and the di
A: To find: Transfer function
Q: Procedure 1. The table below is a data set of an experiment. This is the time it takes a marble to r...
A: Given, Data table for distance and time
Q: Ex. 60 Two sources of sound produce waves differing in wavelength by 12 cm. If the frequencies of so...
A: To find-Velocity of sound=?Given-n1=320 Hzn2=360 Hzλ1~λ2=12
Q: Situation 2. Determine the maximum weight of the bucket that the wire can support so that no single ...
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Q: Compute the speed of a proton after it passes from rest through a 2-Megavolt potential difference in...
A: Whenever a charged particle comes across a potential difference it acquires potential energy due to ...
Q: Q. 11: If galvanometer is shunted by (1/n)th of its value, then fraction of total current passing th...
A: To find-Fraction of the current passing through galvanometer.Given-Galvanometer resistance =GShunt r...
Q: As a 1-dimensional problem, you are given a particle of mass, m, confined to a box of width, L. The ...
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Q: In a location where the train tracks run parallel to a road, a high-speed train traveling at 100 m/s...
A: As train is ahead of 240 meter of the car, by the time car travels distance "d", train traveled dist...
Q: The most abundant isotope of carbon is 12C. (a) Using the proton-neutron mođel, predict the spin of ...
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Q: 16. In open heart surgery, a much smaller amount of energy will defibrillate the heart. (a) What vol...
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Q: A heat engine absorbs 2500 J of heat at 250°C and expels 2000 J at a temperature of 50°C. The change...
A: Given: Heat absorbed at T1=250°C is Q1=2500 J Heat expelled at T2=50°C is Q2=2000 J
Q: Ex 4 : A rectangular coil of MCG has 50 turns and an area of 12 cm. It is suspended in a radial magn...
A: To find-Current (I)=?Given-Number of turns(n)=50Deflection (θ)=50Area of coil (A)=12 cm2=12×10-4m2Ma...
Q: Speed and uncertainty in position-I particle of mass 3.0 x 10 ^-9 kg moves with speed 4.0m/sec if it...
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Q: 4.9 The Stefan-Boltzmann law can be employed to estimate the rate of radiation of energy H from a su...
A: When we measures any physical quantity, There may be some errors in measured quantity for many reaso...
Q: It-60 gamma rays
A: Given: μ=66m-1 =66×10-2 cm=0.66 cm-1 ,x= 0.5 cm
Q: Ex. 41 If Young's modulus of a material of is 1.2 x 10" N/m2, calculate the work done wire is stretc...
A: To find-Work done in stretching a wire (W)=?Given-Y=1.2×1011N/m2L=3 mM=8 kgA=πr2=4 mm2=4×10-6m2
Q: A resistor with resistance R is connected to a battery that has emf 14.0 V and internal resistance r...
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Q: Determine the moment of the 20-lb force about the point O. Sec Fig. 2-3.
A: The moment of a force about a point is given by, M⇀=r⇀×F⇀ where r⇀ is the position where F is acting...
Q: Q1 is the electric charge at the center and q2 is the electric charge at the circumference whats the...
A: Solution:-Given thatQ1=charge at the centerQ2=charge at the circumferencea=inner surface radiusb=out...
Q: Find 8 and 0
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Q: 5. A gender neutral individual having a mass of 70 kg owns two pairs of shoes: 1) a pair of stilleto...
A: Given that,Mass of the person : m = 70 (kg)Area of 1 stilleto heeled dress shoe : As = 1×10-4 (m2)Ar...
Q: An infeinite slat of charge denaity p(x)= 8x Ola-x1) exista ih the reglion -a<x<a_ Fird the electric...
A: Concept used: Heaviside function has 2 values : 0 and 1 which depend on the argument of function. Ma...
Q: The radioactive element 2,6°Co has a half life of. years. If you had a sample of 17 g, about how lon...
A: Given, element is, C2760o, initial amount of cobalt is, No = 17g final amount of cobalt is, N=6% of ...
Q: -37. Derive the Legendre transformation of E in which S T and → µ.
A:
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