A potentiometer wire has a length of 4 m and resistance 4. What resistance must be connected in series with the wire and a cell of e.m.f. 2V potentionmeter having internal resistance 202 to get a potential drop of 10 3 V/cm along the wire ?
Q: The mass of a man on Earth is 91.0 kg. Compare his weight on Earth's Moon (g = 1.60 N/kg) with that…
A:
Q: (Figure 1) shows the velocity graph of a 2.3 kg object as it moves along the x-axis. Figure Vx (m/s)…
A: We are given velocity vs time graph for an object. We are also given mass of object. From v-t graph,…
Q: : Equal lengths of managing and nichrome are joined in the left hand and right hand gaps of meter…
A: We need to compare- The diameters of the wires. The data given as- The null point is at the centre…
Q: Coulomb's law for the magnitude of the force F between two particles with charges Q and Q separated…
A: Electrostatic force between two point charges is repulsive for like charges and attractive for…
Q: The special theory of relativity predicts that there is an upper limit to the speed of a particle.…
A: Given Data: Let us consider the given special theory of relativity predicts that there is an upper…
Q: The Weather Monitor. Your South American expedition splits into two groups: one that stays at home…
A: Please refer to solution in Handwritten form
Q: 2. When an electric current passes through a wire, heat energy is produced. The thermometer reading…
A: Disclaimer: “Since you have asked multiple question, we will solve the first question for you. If…
Q: the area of the small piston of a hydraulic lifter is one-fourth of the large piston. if 1200 N is…
A: We are given force acting on small piston. We are given relation between area of small piston and…
Q: A wire of indefinite length crossed by a current ₁ = 0.5 A is placed at a distance r = 50 cm from a…
A: When two infinite current carrying wires placed parallel to each other, due to magnetic field…
Q: -e +Q +q Three charges are fixed in place as shown. The squares in the grid have sides of length s =…
A: Given: Three charges are fixed in a square. Length of square grids, s=0.24 m. The magnitude of…
Q: Consider the diagram below. Calculate the magnitude of the net electric force (in newtons) acting on…
A: Given: The magnitude of charge 1, q1=1.4 μC. The magnitude of charge 2, q2=-3 μC. The magnitude of…
Q: In a plane region the volumetric charge density grows linearly along the direction. We can conclude…
A: Given that the volume charge density grow lenearly along X- axes. Hence let volume charge density=…
Q: The magnetic permeability of vacuum, indicated with the symbol o, is measured in: O (to) A2 kg.…
A:
Q: A transformer has 380 primary turns and 1140 secondary turns. The input voltage is 120 V and the…
A: Given: Number of primary turns are 380 Number of secondary turns are 1140 Input voltage is 120 V…
Q: A circular-shaped circuit of radius RO, containing a resistor with resistance R and a capacitor with…
A: Given: Radius is Ro Resistance and capacitance are R and C Relation is VC=Vb-Va=Vo1-e-t/T
Q: A plane leaves Seattle, flies 85.0 mimi at 20.0 ∘∘ north of east, and then changes direction to 51.0…
A: We are given the displacements of plane. We are given magnitude of each displacement and the…
Q: For pair production to take place, the threshold energy of the incident photon must be: a. Equal to…
A: a) Pair production is a process that occurs when a boson (for example photon) decays into a…
Q: 7 + 20.0⁰ 60.0⁰ +X 100 The three displacement vectors in the drawing have magnitudes of A = 5.92 m,…
A: We are given 3 displacement vectors. We have to find the resultant vector. We first resolve the…
Q: Which of the following is the result of removing an orbital electron in the K, L, or M shell by a…
A: Characteristic radiation takes place when the incoming electrons collide with the electrons within…
Q: How many distinct systems are there in total?
A: To compute: The number of distinct systems in total.
Q: An electric charge Qin an external electric field E, which is not uniform, moves on an electric…
A: Since in the electric field the charge (q) particle experience a force of magnitude q.E always.
Q: Consider the diagram again below. Calculate the energy (in Joules) required in assembling to that…
A: Given, The charges, q1=2.9×10-6Cq2=-4.8×10-6Cq3=6.3×10-6C a=0.07×10-2mb=0.12×10-2m Let the distance…
Q: The electrons inside a system of two coaxial magnetic mirrors can be described by the loss-cone…
A:
Q: ¿Que tipo de movimiento relativo podria efectuar una persona con respecto a una fuente sonora para…
A: One of the effect seen when their is relative motion between source of sound and the observer…
Q: 2) An electromagnetic wave in vacuum has an electricfield amplitude of 195 V/m. Calculate…
A: Given: In this question, the given details are, An electromagnetic wave in vacuum has an electric…
Q: Condensers of different capacitics as shown in figure Find out the equivalent capacity points A and…
A: We need to find- Equivalent capacity between points A and B=? The data given as- From the figure, We…
Q: A constant current flows through an inductor. If the current is doubled while the inductance remains…
A: The amount of energy stored in an inductor is given by E=12LI2 L is the inductance and I is the…
Q: Can the integral of the magnetic field B along a closed line L be zero if there is a current I…
A:
Q: The system shown is released from rest. After release, the Skg block moves downwards with an…
A: Given:mass of larger object, M = 5 kgacceleration of the M, a = 3.9 m/s2frictions, drags are…
Q: 29. A solution containing 90% by volume of alcohol (in water) runs at 1 gal/min into a 100-gal tank…
A: Given: In this question, the given details are, A solution containing 90% by volume of alcohol (in…
Q: An ideal step-down transformer has a primary coil of 370 turns and a secondary coil of 27 turns. Its…
A: Given: Number of turns in primary coil is 370 Number of turns in secondary coil is 27 Current is…
Q: The angular displacement of the centrifuge is given by 0 = 3.6[t+ 20e-0.019t-20] rad, where t is in…
A:
Q: To what extent do you understand the relationship between a diode and a light-emitting diode (LED)?…
A: A diode is a two-terminal electronic device that allows current to flow in one direction, but not in…
Q: 90 A small building has become accidentally contaminated with radioactivity. The longest-lived…
A: Given data : Strontium atomic mass A = 89.9077 u Half life of strontium t1/2 = 29.1 year…
Q: A diode is a two terminal device. The application of a voltage across its terminals leaves three…
A:
Q: A charge q=4 10$^{-9}$ C is in the field generated by a charge Q=6 10$^{-8}S C. What is the work…
A: Given, Charge (Q) = 6×10-8 C. Charge (q) = 4×10-9C. The charge 'q' is placed in the electric field…
Q: 3. Mr. Jones has 100 sells 75% of this does he have left? crop. How many bushels
A: Given data: mr.Jones has 100 bushels of potatoes Sells 75% To find: Number of bushels left
Q: Calculate the Q-factor of the following decay process 88 Y + Ve e +88Zr Enter your answer in MeV to…
A:
Q: "How do the CRT's RGB color beams come into being?"
A: The term CRT stands for the Cathode Ray Tube which uses an electron gun to produce cathode rays.…
Q: Students are performing an experiment with the setup shown above, where a block of mass M sits on a…
A:
Q: The beam is supported by a pin at A and a short link BC. Figure 0.5m 1 m 4P 1.5 m 4P 1.5 m 0.5m 1 of…
A:
Q: If 1 g of Cobalt-59 is irradiated in a neutron flux of 10¹4 neutrons/cm².s for a long period.…
A:
Q: An object of mass m=2kg is part of a system and it is subject only to conservative forces and…
A: We will answer the question using energy expression.
Q: In a vacuum, in a certain instant the electric field associated to a plane electromagnetic wave is Ē…
A:
Q: In SI units, the electric field in an electromagnetic wave is described by Ey = 102 sin(1.40 107x -…
A: Given: In this question, the given details are, In SI units, the electric field in an…
Q: Question 2 Consider a capacitor made with square plates that are 1 cm on a side, and separated by…
A: Given, In square plates capacitor, Sides of square plates, a=1 cm. Distance between the plates,…
Q: A rotation is powered by a motor with 25 W for 3 minutes. After that different objects are spinning…
A: Given that: Power supplied, P=25 WTime taken, t=3 min=180 secLength of the bar, L=5 cm=0.05 mMass of…
Q: The coil of an AC generator has 200 turns of the area 1 m2. If the coil rotates in a uniform…
A: We are given number of turns and area of coil. We are given frequency of rotation. We are also given…
Q: a 30° 10° b F₁² = 15 165
A: Solution:-Given that
Q: In magnetic resonance imaging, at the end of the radio wave pulse the excited protons begin to relax…
A: Given Data: To explain how the signal strength of these radio waves and its time variation will…
Step by step
Solved in 2 steps
