The armature of an ac generator is a rectangular coil 2.00 cm by 6.00 cm with 80 turns. It is immersed in a uniform magnetic field of magnitude 0.250 T. If the amplitude of the emf in the coil is 22.0 V, at what angular speed is the armature rotating?
flux through the coil is given by
induced emf can be calculated as
since
So,
maximum emf when
The armature of an ac generator is a rectangular coil 2.00 cm by 6.00 cm with...
1) The armature of an ac generator is a rectangular coil 2.00 cm by 6.00 cm with 80 turns. It is immersed in a uniform magnetic field of magnitude 0.250 T. If the amplitude of the emf in the coil is 22.0 V, at what angular speed is the armature rotating? _______rad/s 2) The magnetic field between the poles of an electromagnet is 3.30 T. A coil of wire is placed in this region so that the field is parallel...
1. The armature of an ac generator is a circular coil with 292 turns and radius 4.6 cm. When the armature rotates at 939 rpm, the amplitude of the emf in the coil is 21.3 V. What is the strength of the magnetic field (assumed to be uniform)? 2. The armature of an ac generator is a rectangular coil 27.0 cm by 17.9 cm with 294 turns. It is immersed in a uniform magnetic field of magnitude 3.0 T. If...
The armature of an ac generator is a circular coil with 50 turns and radius 3.20 cm. When the armature rotates at 350.0 rev/min, the amplitude of the emf in the coil is 33.0 V. What is the magnitude of the magnetic field (assumed to be uniform)?
The armature of a small generator consists of a flat, square coil with 130 turns and sides with a length of 1.10 cm . The coil rotates in a magnetic field of 7.65×10−2 T . Part A What is the angular speed of the coil if the maximum emf produced is 2.00×10−2 V ? (answer in rad/s)
The armature of a small generator consists of a flat, square coil with 160 turns and sides with a length of 1.55 cm. The coil rotates in a magnetic field of 8.05×10−2 T What is the angular speed of the coil if the maximum emf produced is 2.60×10−2 V?
The armature of a small generator consists of a flat, square coil with 160 turns and sides with a length of 1.55 cm . The coil rotates in a magnetic field of 7.60×10−2 T . What is the angular speed of the coil if the maximum emf produced is 2.10×10−2 V ? (in rad/s)
Question 1: The armature of a small generator consists of a flat, square coil with 180 turns and sides with a length of 1.70 cm. The coil rotates in a magnetic field of 7.55×10−2 T. What is the angular speed of the coil if the maximum emf produced is 2.10×10−2 V? Question2: At the instant when the current in an inductor is increasing at a rate of 6.40×10−2 A/s , the magnitude of the self-induced emf is 1.65×10−2 V ....
20) In a model AC generator a 502 turn rectangular coil 8.0 cm by 20cm rotates at 123 rev / min in a uniform magnetic field of 0.62 T (a) what is the maximum emf induced in the coil? (b) what is theinstantaneous value of the emf in the coil at t = (? / 32) s? assume that the emf is zero at t = 0 s? (c) what is the smallest value of t for which the emf...
The armature of a small generator consists of a flat, square coil with 200 turns and sides with a length of 1.70 cm. The coil rotates in a magnetic field of 8.55x10-2T. You may want to review (Page) For related problemsolving tips and strategies, you may want to view a Video Tutor Solution of Emf and current induced in a loop. Part A What is the angular speed of the coil if the maximum emf produced is 2.90x10-2 V? Express...
Pelase HELP! 4.+-2 points Tipler6 28.P.045.soln A 2.00 cm by 1.50 cm rectangular coil has 380 turns and rotates in a region that has magnetic field of 0.360 T (a) what is the maximum emf generated when the coll rotates at 60 rev/s? (b) What must its angular speed be to generate a maximum emf of 118 V? revis eBook