Question 4: A 1000-turn coil of wire 1.0 cm in diameter is in a magnetic field that increases from 0.10 T to 0. 30 T in 10 ms. The axis of the coil is parallel to the field. What is the voltage induced in the coil?
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Q: 6. A 10 cm long rod is placed on two parallel rails so that it completes a loop. This device is…
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Q: A rectangular coil of 100 turns measures 0.08m2. This coil is placed next to an electromagnet which…
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Q: A 20-cm-diameter circular loop of wire is placed in a 0.72-T magnetic field. 1) When the plane of…
A: Given that:Diameter, D=20 cmRadius, R=D/2=10 cm=0.10 mMagnetic field, B=0.72 T
Q: If the change in magnetic field is 0.3T in 0.2s as shadow walks through the coils, does the trap…
A: The current induced in the coil can found by Ohm’s law as, Here, ε, i, and R represent the induced…
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Q: 27. A metal rod of length L=45.00 cm is pulled upward with constant velocity v = 8.00 m/s through a…
A: Given Length of rod is L=0.45 m Constant velocity is v=8.00 m/s Magnetic field is B=0.300 T
Q: An L = 57.0 cm wire is moving to the right at a speed of v = 8.10 m/s across two parallel wire rails…
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Q: 3. A wire is moving on frictionless rails in a uniform magnetic field, as shown to the right. The…
A: We have a wire of length L=5 cm=0.05 m which is moving along a rail experiencing a magnetic field of…
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Q: The power lines that run through your neighborhood carry alternating currents that reverse direction…
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Q: A circular loop in the plane of the paper lies in a 0.75-T magnetic field pointing into the paper.…
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Q: 4. Three copper frames are dragged through an external magnetic field in the direction s shown. The…
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Q: What is the peak emf generated by rotating a 1070-turn, 16 cm diameter coil in the Earth’s 5·10−5 T…
A: Number of turns (N) = 1070 Diameter (d) of coil = 16 cm = 0.16 m Magnetic field (B) = 5×10-5 T Time…
Q: Some electronic devices such as phones and watches can be charged wirelessly. In the charger, there…
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Q: 2) A circular loop of radius 65cm rotates within a uniform 0.34T magnetic field. loop's normal…
A: Given Data:Radius of the loop, r = 65cm = 0.65m, so the area of the loop, A = πr² =…
Q: 3. A strong electromagnet produces a uniform magnetic field of 1.60 T over a cross- sectional area…
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Q: The magnetic flux through a coil of wire changes from 9T m- to zero in a time of 0.50 s. What is the…
A: 18 V
Q: A 10-turn square coil of area 0.036 m² and a 20-turn circular coil are both placed perpendicular to…
A: Turn, N1 = 10Turn, N2 = 20Area of square coil, A1 = 0.036 m²Area of circular coil, A2 = ?
Q: 1. A 59.8-meter-long spacecraft flies past a neutron star, and passes through the neutron star s…
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Q: A rectangular coil with sides 0.120 m by 0.210 m has 495 turns of wire. It is rotated about its long…
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Q: A circular coil of wire 7.8 cm in diameter has a resistance of 1.61 2. It is located in a magnetic…
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Q: The ring is oriented so that the magnetic field passes directly through the ring. It moves such that…
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- 1. A 27.4-meter-long spacecraft flies past a neutron star, and passes through the neutron star s extremely powerful magnetic field of strength 8.88 x 10^4 T. The spacecraft travels at a velocity of 5.67 km/s in a direction perpendicular to the magnetic field; the spacecraft s long axis is also perpendicular to the magnetic field. What is the induced emf (voltage) between the two ends of the spacecraft? 1.38E+09 V 1.38E+10 V 1.38E+07 V 1.38E+06 VListen = . An electromagnetic coil with L 200 mH carries a current that varies with time according to /(t) = 2.0 A sin(62 s1. t). What is the equation/expression for the voltage induced on the coil? OV(t) = -12.4 V sin(62 s ¹. t) OV(t) = 0.4 V sin (62 s ¹. t) -1 OV(t)=-620 V sin(62 s ¹. t) OV(t) = 124V · cos(62 s ¹. t) -1 - . -1 OV(t) = -24.8 V · cos(62 s¯¹. t) SA flat circular coil with 100 turns has a radius of 0.04 m and a resistance of 0.5 ohms. It is exposed to a changing magnetic field that is perpendicular to the coil. The rate at which the magnetic field is changing is ∆B/∆t=0.782(T/s). a. Find the emf (voltage) induced in the coil. b. What is the current in the coil? c. Sketch a picture of the scenario and, based on your drawing, show the direction of the induced current PLEASE SHOW ALL WORK!! Thank you!!
- A 2800-turn circular coil of wire has an area of 2.270 x 10-2 m2. It is placed with its axis along the direction of the Earth's magnetic field. Assume that the magnitude of the magnetic field of the earth at that location to be 61 x 10-6 T. a) What isthe magnitude of the voltage induced in the coil if you can flip the coil by 180° in 0.185seconds? Provide the answer in Volts. b) What is the magnitude of the voltage induced in the coil if you can flip the coil by 90° in 0.185seconds? Provide the answer in Volts.A wire loop with an area of 2.4×10−2 m2m2 is in a magnetic field of 0.40 TT directed at an angle 30∘ to the plane of the loop. If the field drops to zero in 41 ms , what is the average induced emf in the loop? Express your answer using two significant figures.A powerful electromagnet has a field of 1.6T and a cross-sectional area of 0.20m2. if we place a coil having 200 turns and a total resistance of 20 around the electromagnet and turn off the power to the electromagnet in 20ms, what is the current induced in the coil?
- Consider the Hall voltage induced on a patient’s heart while being scanned by an MRI unit. l = 8.5 cmv = 7.5 cm/s Approximate the conducting path on the heart wall by a wire 8.5 cm long that moves at 7.5 cm/s perpendicular to a 1.50 T magnetic field. Find the Hall voltage across the patient's heart in mV.The current in a long solenoid of radius 6 cm and 22 turns/cm is varied with time at a rate of 3 A/s. A circular loop of wire of radius 8 cm and resistance 7 0 surrounds the solenoid. Find the electrical current induced in the loop (in HA). HAC 12:52 HW8_60e193652a3a1c9d2d... 2. 2 of 4 SOS Done The 5.2 m long metal rotor blades of a helicopter spin at 6.0 revolutions per second perpendicular to the earth's magnetic field of 4.7x10 T. Axis What is the magnetic flux swept out by the rotor blades in one revolution and what is the emf induced between the axis and tip of a rotor blade? 3. In a CRT electrons are accelerated from rest by a potential difference of 1.40x10'V These electrons enter a magnetic field with a strength of 2.20x102 T Assuming the electrons are traveling perpendicular to the field what id the radius of the are of the deflected electrons?
- An 44-turn coil has square loops measuring 0.353m along a side and a resistance of 4.1902. It is placed in a magnetic field that makes an angle of 48.9° with the plane of each loop. The mannitude of this field varies 3 with time according to B = 2.85t, where t is measured in seconds and B in teslas. What is the induced current in the coil at t = 1.79s ? An 11-tum coll has square loops measuring 0.353 m along a side and a resistance of 1.19 12. It is placed in a magnetic field that makes an angle of 18.9° with the plane of each loop. The magnitude of this field varies with time according to B-2.8513, where is measured in seconds and 8 in teslas. What is the induced current in the coil at -1.79 ?0000000 ****000 What is the length of the rod? l= m 000 A rod is moving from left to right toward a resistor along two parallel conducting rails. The entire loop is inside a magnetic field oriented out of the page. The rod is moving at 70 and the induced emf in the loop is 12.0 V. The resistor has a resistance of 60 . What is the current through the rod? I = A D What is the magnitude of the Lorentz Force on the rod? F = N R m the magnetic field has a magnitude of 2.3 T, I S