A source of alternating e.m.f. 200 sin (@t) is connected to a lamp whose filament has a resistance 1000 N. Calculate the (1) peak current and (2) r.m.s. current passing through the lamp.
Q: A simple pendulum is found to vbrate 50 imes in 200 seconds. When 1.5 m of its lengthis cut, t vbrat...
A: Given that,Case-01Simple pendulum vibrates 50 times in 200 secondCase-02and if 1.5m of length is cut...
Q: Discuss the consequence of the state n-0 and n-1 of a particle trapped in 1-D as well 3-D box using ...
A: We’ll answer the second question since the exact one wasn’t specified. Please submit a new question ...
Q: A galvanometer having a resistance of 9 ohm gives the full scale deflection with a current of 1 mA. ...
A: To Find: Shunt resistance (S) Given: G = 9 Ω, Ig = 1 mA = 10-3 A, I = 1 A
Q: What is the sun's mass?
A:
Q: dicated points: P A is located at (0
A: Given figure as,
Q: 18 : A moving coil galvanometer has a resistance of 9.8 N and gives full scale deflection when a cur...
A: To Find: Shunt resistance (S) Given: G = 9.8 ohm Ig=10 mA =10×10-3 AI=500 mA=500×10-3 A
Q: # the sroidine of dolid sphesre is doubled by keeping ils mass constant. compare moment of inextra a...
A: To compare- M.I. of sphere about any diameter. Given- R1=R R2=2R The moment of inertia of a sphere a...
Q: A 100 kg gymnast comes to a stop after tumbling. If her feet do 5,000 J of work to stop her, her vel...
A: Given that,Mass of the object, m=100 kgFinal speed of object, vf=0 m/sWork done, W=5000J.We know tha...
Q: How many kilocalories of heat does an expenditure of 194 kJ produce?
A: Given that,The heat : Q = 194 (kJ)Here we need to find the amount of heat :Now,As we know that,The h...
Q: In a 1500-W hairdryer when it is plugged in to 120 V calculate the resistance of the hairdryer.
A: Given that, Power, P=1500 WattPotential difference,V=120 VoltWe know that,Power, P=V2Rcan be written...
Q: Consider the step potential function shown below. Assume that a flux of electrons has energy E and i...
A: Note : Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the questio...
Q: For Ge semiconductor, assume the Fermi energy level is 0.15 eV below the conduction band energy Ec. ...
A: All fermions follow the Fermi-Dirac occupancy statistics. So is the case for semiconductor physics. ...
Q: A particle is in an infinite potential well of length L in a superpo and the second excited state. I...
A:
Q: Fhe squation of a frogustioe longehidinal cuave in ciese is, Y=1:0x10°sin 880 t xIwhere 330 cll the ...
A: To find- (1) Frequency (n)=? (2) Wavelength (λ)=? (3) Wave velocity (V)=? Given data- Y=1.0×10-3 sin...
Q: What is the initial condition?
A: The initial condition usually defines the initial state of a system. Depending upon the context it c...
Q: Could a ship’s wake start a train of swells moving thousands of miles across the ocean? Why or why n...
A: We know a wave is described as a disturbance in a medium . If we take water as our medium , during a...
Q: Two separate coherent sources produce waves with wavelengths of 3.20 m. One of the sources Si is loc...
A: When light or sound waves pass through each other they will experience interference. The waves will ...
Q: (a) Six lead-acid type of secondary cells each of emf 2.0 V and internal resistance 0.015 2 are join...
A: (a) Number of secondary cells, n=6 Emf of each secondary cell, E=2.0 V Internal resistance of each c...
Q: Nermalize a wott. for a particle at lery th L given by: V)x(L-メx) - in a box %3D
A: Here,For the normalization,∫-∞∞ψ*ψdτ=1
Q: ) The refractive index of a lightly damped medium is given by ñ = n – ik, where the k is the ktincti...
A: The electromagnetic waves are nothing oscillating electric and magnetic waves. Both the quantities a...
Q: Determine the net amount of a force whose magnitu
A: Given: The magnitude of the force is 200 N. To determine: The net amount of force about point O. T...
Q: The figure shows two infinite wires perpendicular to the xy-plane with identical currents I = 30 A. ...
A: given,currenti=30 Ar1=1 mr2=2 m
Q: The water equivalent of 5 kg of a substance is 1 kg. By how much will its temperature change if 7550...
A: Given that,Mass of water equivalent : mw = 1 (kg)Heat : Q = 7550 (J)Specific heat of water : Sw = 41...
Q: Two notes of wavelengths 2.04m and 2.08m produce 200 beats per minutes in a gas. Find the velocity o...
A:
Q: A laser emits 2.13 x 1016 photons per second, each of which has wavelength 625 nm. Find (a) the ener...
A: Given data:-Wavelength, λ=625nm=625×10-9 mPlanck's constant, h=6.62×10-34 J.secSpeed of light, c=3×1...
Q: Determine the magnitude of Q if the particle is in equilibrium and if θ =30.4°, P = 276 , a=7, and b...
A: Concept: Given a=7 b=15 P=276 θ=30.4 Here we will consider angle made by F with horizontal axis be ϕ
Q: Actual Moment of Inertia (g.cm-j: Mass of disk, M = 1500 grams Radius of disk, R= 12 cm (16) Frictio...
A:
Q: - ヘ How?
A: Theory :
Q: Example 8.27. Given R (t) = 3t I+ tJ-t'K, evaluate | (Rxd R/dt* ) dt .
A:
Q: Find the measure of the angle (in degrees) made by the resultant of the concurrent forces with respe...
A: Here we have two vectors and The Q vector is given the angle which is making with positive x axis. S...
Q: Use index notations to show that V [f (r)r]= 3f (r) +rf'(r). Here, r is a position vector (r= xgên),...
A: Using the property of divergence : ∇·f(r)r=f(r)∇·r+r·∇f(r) (1) Here, r is the position v...
Q: Solve the following problem, create a simple illustration, and show your solutions. 1. A 0.5 kg mass...
A: Given, mass = 0.5 kg distance stretched= 0.3 m distance compressed = 0.15 m
Q: Figure 6.20 shows a metal rod PQ resting on the smooth rails AB and positioned between the poles of ...
A:
Q: An ac generator has a frequency of 9.0 kHz and a voltage of 40 V. When an inductor is connected betw...
A: Given that,The frequency : f = 9 (KHz) = 9000 (Hz)Voltage : V = 40 (V)Current : I = 50×10-3(A)Here w...
Q: 6. (a) Write down the hallmark property of simple harmonic motion. Compare the position, velocity an...
A: We have to sketch the position,velocity and acceleration variation with time for simple harmonic osc...
Q: At a hydroelectric power plant, the water pressure head is at a height of 300 m and the water flow a...
A: We have-Height of water pressure ead, h=300 mVolume of water flow per second, V=100 m3/sEfficiency o...
Q: Two disks A and B, of mass m 1 kg each and of radius 10 cm, are placed on a horizontal table. The di...
A:
Q: A metallic wire with resistance 82, cross-sectional area 8.2-10-7 m2, and conductivity o 5.81-107 o'...
A: The electric field inside the wire is given by E=VLV=voltage across the wireL=length of wire The re...
Q: A 42 mW laser produces a polarized beam of light. If the peak magnetic field inside the beam is 8.8 ...
A: Given that,The power of light, P=42mWPeak magnetic field, B=8.8×10-6TWe know that,Intensity of light...
Q: A freight train has a mass of 1.0 X 10' kg. If the locomotive can exert a constant pull of 8.2 X 105...
A: Given that,Mass, m=1.0×107 kgForce, F=8.2×105 NWhereas, Initial speed, u=0 km/h=0m/sFinal speed, v=7...
Q: Consider an infinite horizontal surface with fixed surface charge density o, where î is the upward n...
A: Given, the surface charge density of the infinite horizontal surface is σ upward direction is n^ The...
Q: Consider the motion of a particle in two dimensions given by the Lagrangian m L= x+ where i>0. The i...
A:
Q: Solve the following problem, create a simple illustration and show your solutions. 1. A pendulum is ...
A: Solution:-Given that30 full cycles in 57 seconds
Q: Show that critical vel orbiting in a circular orbit very close to the surface of a planet of radius ...
A: To show that- VC=2RπρG3Critical velocity of a body orbiting in a circular orbit close to planet is g...
Q: What should be the tension applied to a wire of length 75 cm and mass 6 gram if it vibrates with a f...
A: TO find- Tension to be applied (T)=? Given- Length of the wire (L)=75 cm=0.75 m Mass (M)=6 gm=6 x 10...
Q: Three particles are to be distributed in four non-degenerate energy levels. The possible number of w...
A:
Q: Determine the radius of sphere that will contain a given probability of finding the 1s electron. Wha...
A:
Q: erties of pure substance for the following conditions: a) P = 2.324 MPa & 90.865 % b) P = 1.876 ...
A: Consider that the pure substance is steam.
Q: A TUP athlete has a mass of 60 kg. He runs a 100- m run race at a speed of 10m/s. What is his momen...
A:
Q: 6. A spring for which stiffness k with its upper end fixed. A mass of kg is attached to the lower en...
A: Given: The mass of the object is m = 1 kg The spring constant of the spring is k = 4 N/m The externa...
Step by step
Solved in 2 steps
