Select the correct statement: The sum of the sources of EMF and volt-drops in a closed loop is zero. The sum of the currents in a closed loop is zero. The current in parallel resistors is always equal. The sum of the voltages at a node is zero.

Q: In the figure ₁ = 4.36 V, ₂ = 1.23 V, R₁ = 7.1802, R₂ = 2.232, R3 = 4.942, and both batteries are…

A: Given that E1 = 4.36 V E2 = 1.23 V R1 = 7.18 Ohms emf of a cell is positive when ever we go forward…

Q: Can someone look at the options again. Please select all of the correct answers.

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Q: Constants The downward forces represent the weights of machinery on the beam shown in (Figure 1).…

A: m=Mass of beam=220 kgg=Acceleration due to gravity=9.81 m/s2

Q: Quantum numbers (n,1, m¡) describe the state of an electron in an atomic orbital. The values they…

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Q: Question: A non-relativistic electron is confined to an infinitely deep potential well with length L…

A: Given : L=694×10-12m Part 1) The energy of an electron in the infinite potential well is given by :…

Q: It seems like a incorrect answer

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Q: this answer is incorrect. please stop giving me incorrect answers.

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Q: I’m confused, can you help me?

A: The distance from surface of Earth to telescope is 613km. Hence the total distance from center of…

Q: What is the current through the 2 ohm resistor in the circuit below? A. B. C. D. 20 V 2 A 4 A 5 A 20…

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Q: 1 0 3 000 예 2

A: Lenz's law states that the current induced in a circuit due to a change or a motion in a magnetic…

Q: This answer is incorrect. Can I get a correct answer please?

A: Here velocity u= 189 ft/sit makes angle 34o with horizontalTime taken to hit the point above h…

Q: Two parallel conducting rods are connected by a wire as shown and carry current I. They are…

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Q: Mod 6- Question 6 The diagram shows an ideal transformer. Iron core G When the switch is closed, the…

A: The problem is based on the basic concepts of physics. The first problem is based on the…

Q: and Parallel Forces

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Q: 2. A car battery supplies an electromotive force of 12 V and has an internal resistance r. The…

A: Given: The electromotive force is E=12 V. The power requires is P=64.8 W. The resistance of the…

Q: Mk=0.7. 10 kg TIR A 10-kg box is at sliding to the right on the floor. A rope is attached to the box…

A: mass of box = m = 10 kg co efficient of friction = 0.7 acceleration = a = 6 m/s2

Q: A 5.4-cm-diameter circle lies in the xz-plane in a region where the electric field is E = (1000 +…

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Q: Star A and Star B are both on the main sequence. Star A is 63 times more luminous than Star B. What…

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Q: A 1-kg metal ball slides across an incredibly smooth table at 5 m/s and hits a 0.2-kg metal ball at…

A: For the given problem, we need to check the law of conservation of momentum and energy before and…

Q: end. Calculate x if the two people in the rear each support one-third of the ladder's weight.

A: Length of ladder, L=5.0m Three people support one-third of the ladder's weight.

Q: Verify the following relations for cylindrical coordinates u = r, v = 0, w = z: a) the surfaces r=…

A: The relation between cylindrical and cartesian coordinates is,   r=x2+y2               z=z x=rcos(ϕ)…

Q: Transverse waves on a string have wave speed 8.00 m/s, amplitude 0.0700 m, and wavelength 0.320 m.…

A: Given  speed of transverse wave (v)=8 m/s wavelength of transverse wave (λ)=0.32 m amplitude of…