13.1 Check Your Understanding A closely wound coil has a radius of 4.0 cm, 50 turns, and a total resistance of 402. At what rate must a magnetic field perpendicular to the face of the coil change in order to produce Joule heating in the coil at a rate of 2.0 mW?
Q: An air-core solenoid with 64 turns is 8.00 cm long and has a diameter of 1.20 cm. When the solenoid…
A: L=μ0N2AL =μ0N2πd24L=4π×10-7 H/m6423.141.20 cm1 m100 cm248 cm1 m100 cm=72.7×10-7 H1 μH10-6…
Q: An emf of 17.0 mV is induced in a 461-turn coil when the current is changing at the rate of 10.0…
A: Given, emf induced in the coil, ε = 17.0 mV Number of turns, N = 461 rate of change of current,…
Q: A 0.120 m radius, 486 turn coil is rotated one-fourth of a revolution in 4.17 ms, originally having…
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Q: a 0.8T bar magnet is pushed through a 50.5 turn coli with an area of 0.002m2 in 3.4sec. The
A: Given No of turns = 50.5 Magnetic field B = 0.8 T Area A = 0.002 m2 Time ∆t = 3.4 sec
Q: A circular coil having 60 turns has a radius of 75 mm. What current must exist in the coil to…
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Q: = A coil with a 10.800 cm and b = 13.000 cm is in the same plane with a long straight wire. The…
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Q: A stationary square coil of area 0.1 m2 is brought into the magnetic field 4.7 T with its plane…
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Q: What is the peak emf (in kV) generated by a 0.260 m radius, 520-turn coil that is rotated one-fourth…
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Q: If a 0.8T bar magnet is pushed through a 50.5 turn coli with an area of 0.002m2 in 3.4sec. The…
A: Given that:- No of turns = 50.5 Magnetic field B = 0.8 T Area A = 0.002 m2 Time ∆t = 3.4 sec We…
Q: A 95-turn square wire coil of area 0.040 m² rotates about a vertical axis at 1,510 rev/min, as…
A: Solution:-Number of turns (N)=95Area of coil (A)=0.04 m2Angular speed (N)=1510 rev/minHorizontal…
Q: A 780 loop circular armature coil with a diameter of 8.4 cm rotates at 145 rev/s in a uniform…
A: The number of loops in the coil is given as The diameter of the coil is, The angular speed fo the…
Q: the induced Voltage.
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Q: An emf of 26.5 mV is induced in a 504 turn coil when the current is changing at a rate of 10.5 A/s.…
A: Given data *The given induced emf is E = 26.5 mV = 26.5 × 10-3 V *The number of turns in a coil is N…
Q: An emf is induced by rotating a 1,228-turn, 10.0 cm diameter coil in the Earth’s 5.00 ×10-5 T…
A: Number of turns, N = 1228diameter, d = 10 cm = 0.10 mTherefore radius R = Magnetic field, B = 5 x…
Q: What is the peak emf (in kV) generated by a 0.280 m radius, 400-turn coil that is rotated one-fourth…
A: The value of radius and number of turns of the coil and time and magnetic field. Then We have to…
Q: A 0.220 m radius, 525 turn coil is rotated one fourth of a revolution in 4.17 ms, orginally having…
A: Radius of coil r = 0.220 m Number of turns N = 525 Time ∆t = 4.17 ms = 4.17×10-3 s Induced emf ε =…
Q: Problem 22.07. In in a wind turbine, a powerful 10.0 T permanent magnet supplies a field for a coil…
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Q: A square loop 24.0 cm on a side has a resistance of 6.10 Ω It is initially in a 0.665-T magnetic…
A: Magnetic flux is the field lines passing through particular area when that area loop is kept…
Q: What is the peak emf (in kV) generated by a 0.230 m radius, 520-turn coil that is rotated one-fourth…
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Q: What is the voltage induced in a generator with 938 turns, an area of 140 mm2 turning at a rate of…
A: Write a value of this question. N=938A=140×10-6m2N=37rpmB=0.0519 T
Q: A car alternator produces about 14 V peak output to charge the car's 12-V battery. If the…
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Q: Problem 28.15 ▼ A long pair of insulated wires serves to conduct 27.5 A of dc current to and from an…
A: Current in the two wires i1 = i2 = 27.5A Now current i3 = 24.2 A distance between wires d = 2.8 mm
Q: A 0.220 m radius, 506 turn coil is rotated one-fourth of a revolution in 4.17 ms, originally having…
A: SOlution: given that r = 0.22 m N = 506 t = 4.17 ms emf = 10000 V
Q: Through a coil with length of 20.0 cm and diameter of 6.0 cm and 400 turns electric current of 15.0…
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Q: An emf of 28.5 mV is induced in a 501 turn coil when the current is changing at a rate of 10.5 A/s.…
A: Given Data: Induced emf ε=28.5 mV Number of turns of the coil N=501 Rate of change of current…
Q: A generator has a peak voltage of 257 V and its coil with 500 turns and a diameter of 5.18 cm…
A: The objective of the question is to find the frequency at which the generator is operating. The…
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- Design a current loop that, when rotated in a uniform magnetic field of strength 0.67 T, will produce an emf E = E, sin(wt), where E, = 110 V and w = 120n rad/s. First, choose the number of turns the loop should have. (Enter a positive integer less than 100.) turns Then calculate the needed area of the loop (in m2). (Use the number of turns you entered above.) m2a)A 0.319 m radius, 864-turn coil is rotated one-fourth of a revolution in 4.17 ms, originally having its plane perpendicular to a uniform magnetic field. (This is 60 rev/s.) Find the magnetic field strength needed to induce an average emf of 10,000 V. Express answer in teslas to 2 decimal places.A 120V e.m.f is across a transformer's 200-turn primary coil. How many turns should a secondary coil have in order to produce a 30V e.m.f?
- At what frequency should a 153-turn, flat coil of cross sectional area of 222 cm² be rotated in a uniform 29-mT magnetic field to have a maximum value of the induced emf equal to 6 V? Write your answer in hertz.An emf of 18.0 mV is induced in a 525-turn coil when the current is changing at the rate of 10.0 A/s. What is the magnetic flux through each turn of the coil at an instant when the current is 4.70 A? (Enter the magnitude.) HTm²A 100-turn square wire coil of area 0.040 m² rotates about a vertical axis at 1,470 rev/min, as indicated in the figure below. The horizontal component of Earth's magnetic field at the location of the loop is 2.0 x 10-5 T. Calculate the maximum emf (in V) induced in the coil by Earth's field. V 20.0 cm 20.0 cm
- A 25-turn circular coil has radius of r = 3 [cm] and a resistance of R = 10 [Q]. The coil is in a uniform magnetic field of 0.46 [T] that is perpendicular to the plane of the coil. a. magnetic flux? What is the value of the b. What is the value of the induced emf and the induced current in the coil? lemf| = [V] I = [A] Now, the value of the magnetic field is increasing from 0.46 [T] to 2.1 [T] in At = 1.4 [s]. C. emf? lemf| I = What is the value of the induced [V] d. current in the coil? [A] What is the value of the inducedIf 24.9 volt power supply is connected to a lamp with resistance 3.6 ohm. What would be the magnetic field induced at a point 8.9 centimeter away from the lamp? The answer is _______ Tesla.