Metal rod horizontal rotation • Force is perpendicular to the rod pushing counterclockwise, B is out of page • Area of the loop OPSO = r*r* θ/2 • Flux = B*A/t and θ/t= ω • Emf = B*r*r ω/2 • I = B*r*r ω/2 • Power = I*I*R= (B*r*r*ω* ω)^2/4R Ohmic Power = ? Watt = ?? Horse Power B = 1.5T, r = 3m, ω= 4 rad/s, R= 2 ohms light bulb

Q: What is the angular frequency w of the LC circuit shown below? 3.0 μF HE 10 mH 3.3 mH mmm -9 (a) 7.4…

A: Given that, Capacitance, C = 3μF There are two inductors, L1 = 10 mH & L2 = 3.3 mH that are…

Q: 34. ★★ A circular loop of radius R = 10.0 cm is coaxial ** with a solenoid (r= 0.0500 m, €= 1.00 m,…

A: Given data: A circular loop radius R=10 cm The solenoid radius r=0.05 m The solenoid length l=1.00 m…

Q: At what speed must the sliding rod in the figure below move to produce an emf of 1.20 V in a 1.43 T…

A: The equation for the magnitude of the motional emf is given by,

Q: A light conducting ring is placed on top of an iron core with a wire wrapped around it as shown.…

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Q: Determine the current amplitude (I0) when the circuit elements are these: ℰ₀ = 201 volts, ω = 2.60…

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Q: How does increasing the number of loops strengthen the magnitude of the induced ELECTROMOTIVE FORCE…

A: How does increasing the number of loops strengthen the magnitude of the induced ELECTROMOTIVE…

Q: 1.    How does increasing the number of loops strengthen the magnitude of the induced ELECTROMOTIVE…

A: How does increasing the number of loops strengthen the magnitude of the induced ELECTROMOTIVE FORCE…

Q: At what angular velocity in rotation/min will the peak voltage of a generator be 540 V, if its…

A: ε0 = 540 V N = 420 turns  d = 6.3 cm = 0.063 m B = 0.290 T To find = Angular velocity in rpm

Q: A sense coil is placed in the middle of a current spiral. The angle between the surface normal of…

A: Direction of the Magnetic field is parallel to the current spiral axis.

Q: 5. For the following pair of voltage and current, indicate whether the element involved is a…

A: Solution to ur question is as follows. Hope this will be helpful for you.

Q: Determine the direction of the current in resistor ab when () switch Š is closed after having been…

A: To Determine: The direction of current in resistor ab

Q: A solenoid has 690 turms, 8.00 cm in diameter and 45.0 cm in length. i Calculate the inductance of…

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Q: A 10-turn circular coil of radius 5 cm is dropped vertically into a very long solenoid which has a…

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Q: A solenoid with 525 turns has a length of 5.50 cm and a cross-sectional area of 2.50 x 10 9 m2. Find…

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Q: 5. In an oscillating RLC circuit with L = 10 mH, C = 1.5 µF, and R = 2.0 N, how much time elapses…

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Q: The conducting bar illustrated as shown moves on two frictionless, parallel rails in the presence of…

A: Given data *The bar has mass is m *The bar has a length is l *The bar is given with an initial…

Q: if the angular speed v of the loop is doubled, then the frequency with which the induced current…

A: Scenario:  Loop's angular speed gets doubled & frequency at which current(induced) changes…

Q: As the coil of wire in the generator spins, an output potential difference is induced. Explain how…

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Q: Suppose there is a steady current in an inductor. If you attempt to reduce the current to zero…

A: The current voltage relationship for an inductor is given by the following equation. Here, L is the…

Q: A wire is carrying a current I as shown in the figure. A conducting loop is perpendicular direction…

A: in first question we determine the ans by using lenz law . it is physics question.  ( i will answer…

Q: ) A 400-turn solenoid has a cross-sectional area 1.81 x 10-3 m² and length 20 cm carrying a current…

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Q: Two loops of wire are moving in the vicinity of a very long straight wire carrying a steady current…

A: Introduction: The current induced in the conducting loop by changing the magnetic flux when the…

Q: What is the angular frequency w of the LC circuit shown below? 3.0 μF 10 mH 3.3 mH (a) 7.4 × 10-⁹…

A:

Q: A large water main is 2.50 m in diameter and the average water velocity is 6.00 m/s. Find the Hall…

A: Given that, Diameter is l = 2.50 m Average velocity of water is v = 6.00 m/s Magnetic field B =…

Q: self-inductance of the solenoid

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Q: An inductor (L = 20 mH), a resistor (R = 100 and a battery (E = 10 V) are connected in series. Find…

A: The inductance of the inductor is L=20 mH The resistance of the resistor is R=100Ω The voltage of…

Q: technician wearing a brass bracelet enclosing area 0.00500 m² places her hand in a solenoid whose…

A: Given value--- Area = 0.005 m2 . Change in magnetic field = 4 T to 1.2 T  Time period = 22 ms.…

Q: If a magnet is held stationary and a coil is moved towards the magnet with high speed then, O a.…

A: As we move the coil towards magnetic, the magnetic field changes and hence induces an emf in the…

Q: Two coils close to each other have a mutual inductance of 32 mH. If the current in one coildecays…

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Q: Suppose you want to increase the time constant of an RL circuit. How might you do that? Increase R…

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Q: A long train is moving with uniform speed from North to South. (i) Will any induced emf appear…

A: (i) Yes, the emf will be induced because of change of magnetic flux. The axle is intercepting the…

Q: Edhina An aluminum ring of radius n = 5.00 cm and a resistance of 2.75 x 10 N is placed around one…

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Q: A simple AC generator consists of 10 turns of coils with an area of 1 000 cm2. It rotates at a…

A: Concept used is rate of change of magnetic flux gives emf in coil

Q: In a single-loop coil, the flux is given by 0 = 3 sin t + 5 cos t. What is the induced emf? OA. 3…

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Q: Six identical square loops of wire are shown with arrows indicating their velocities. The value…

A: Required :: Magnitude of the induced emf from least to greatest.…

Q: Mutual inductance between an infinite current filament placed along y -axis and rectangular coil of…

A: Given Current in wire is I Height of coil is 1m Width of coil in 4m No of turns is 1200

Q: How does increasing the number of loops strengthen the magnitude of the induced EMF or electromotive…

A: The induced EMF is produced due to change in magnetic flux passing through any loop. The EMF will be…

Q: A solenoid with 465 turns has a length of 7.50 cm and a cross sectional area of 2.70×10^-9 m^2. Find…

A: Number of turns (N) = 465Length (L) = 7.50 cm = 0.075 m Area of cross section (A) = 2.7×10-9…

Q: A metal disc of radius 25 cm is rotated at 2000 rpm on a horizontal axis. Two brushes make contact…

A:

Q: What would be the advantage, in Faraday’s experiments(Fig. 21–1), of using coils with many turns?

A: Finding the advantage of using many coils in Faraday's Experiment.

Q: Motional EMF Below is a rectangle that is being pulled into a magnetic field as shown. The rectangle…

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Q: Assume that the battery shown in Figure Q31.13a is replaced by an alternating current source and…

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Q: Q-3 A) If tension surface of the globule in transformer oil is 0.05N/m, radius of globule is 1µm,…

A: Surface tension σ=0.05 N/mRadius of globule R=1 umRelative permittivity of oil E1=2.5Relative…

Q: KEY IDEAS The long solenoid S shown (in cross section) in Fig. 30-3 has 220 turns/cm and carries a…

A: