Determine the induced voltage in the following. a. A conductor 2 m long moves at a speed of 60 km/h through a magnetic field having a flux density of 0.6 T. Calculate the induced voltage. [20V] b. A coil having 200 turns links a flux of 3 mWb, produced by a permanent magnet. The magnet is moved, and the flux linking the coil falls to 1.2 mWb in 0.2 s. Calculate the average voltage induced. [1.8 V]
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- The square armature coil of an alternating current generator has 200 turns and is 20.0 cm on side. When it rotates at 3600 rpm, its peak output voltage is 120 V. (a) Wliat is the frequency' of the output voltage? (b) What is the strength of the magnetic field in which the coil is turning?A coil has a self-inductance of 50 [H] and a resistance of 3.5 []. It is connected to a 9.0 [V] battery with internal resistance of 0.25 [2]. What is the total magnetic energy stored in the coil when steady-state current is reached? O A. 1.65 x 10-4 [J] O B. 6.43 × 10-5 [J] O C. 1.44 x 10-4 [J] O D. 6.00 x 10-5 [J]1. A 1.50 V battery is connected in series with a capacitor and a 275Ω resistor. a. What is the charge and the voltage across the capacitor immediately after the switch is closed? b. At steady state, what will be the potential across the capacitor? 2. A loop of wire in the form of a square 1.50 m on each side, its plane makes an angle of 40.0° with a uniform magnetic field of 0.95 T. What is the magnetic flux through the loop?
- Q2 2-1. An airplane travels 800 km/h in a region where the Earth's magnetic field is about 5 x 105 T and is nearly vertical. What is the potential difference induced between the wing tips that are 75 m apart? (1 m/s=3.6 km/h) A. 8.3 V B. 0.83 V C. 0.083 V D. 0.0083 V E. None of the above Select one: C. 0.083 V A. 8.3 V B. 0.83 V D. 0.0083 V E. None of the above3. A wire is moving on frictionless rails in a uniform magnetic field, as shown to the right. The wire is part of a complete circuit with a resistance R. a. If the magnetic field is 0.05 T and the wire is 5 cm long, what speed is necessary to produce an emf of 2 mV across the ends of the wire? b. If the resistance is 20 2, what is the current in the circuit?11.. A coil of radius 0.5 m consisting of 1000 loops is placed in a 500 T magnetic field such that the flux is maximum. The field then drops to zero in 10 s. What is the induced potential in the coil?
- A circular coil of 50 turns and radius 8.0 cm is placed with its plain oriented at 90゚ to a magnetic field of .20 T. The field is now increased at a steady rate reaching a value of .80 T after 3 seconds. What Emf is induced in the coil? A. 0 v B. 40 v C. .004 v D.2010 v E. .20vA long solenoid has a radius of 4 cm and has 800 turns/m. If the current in the solencid is increasing at the rate of 9.9 A/s. what is the magnitude of the induced electric field at a point 2.2 cm from the axis of the solenoid? a.361.35 pV/m Ob. 148.50 yuV/m oc 89.10 uV/m O d. 109.40 pV/ml page Next pageA square loop with sideofa= 10 cm is placed in a perpendicular magnetic field of 1.0 T. Themagnetic field is initially pointing in the +k̂direction and flips (changes sign) in Δt= 0.1 s. You are told thatthe field changes at a constant rate. a.What is the direction of the induced current in the square loop? b.Let the resistance of the loop (measured in ohms) be equal to the total length of the wire that forms theloop (measured in cm). What is the magnitude of the induced current in the loop? c.How will the induced current change if you reduce the length of each side of theloop to 5 cm? Will it increaseordecrease,and by what factor?
- 27.46 A coil with magnetic moment 1.45 Amp-meter2 is oriented initially with its magnetic moment antiparallel to a uniform 0.835-T magnetic field. What is the change in potential energy of the coil when it is rotated 180 degrees so that its magnetic moment is parallel to the field?A wire 0.2 m long moves at a constant speed of 5 m/s in a direction that is 37o with respect to a magnetic field of 0.2 T directed perpendicular to the wire. The induced emf is approximately ____. A. 0.12 V B. 0.16 V C. 0.20 V D. 0.24 V can you help me to get answer1. A 11.8 ?F capacitor is charged by a 25.0 V battery through a resistance R. The capacitor reaches a potential difference of 4.00 V at a time 3.00 s after charging begins. Find R. ________ kΩ 2.A proton moves perpendicular to a uniform magnetic field at a speed of 1.20 107 m/s and experiences an acceleration of 1.40 1013 m/s2 in the positive x-direction when its velocity is in the positive z-direction. Determine the magnitude and direction of the field. magnitude _______ PLEASE ANSWER BOTH