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College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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The figure shows a triangular loop of wire in a uniform magnetic field. (Figure 1)
If the field strength changes from 0.50 to 0.15 TT in 50 msms , what is the induced emf in the loop?
A) 0.14 VV |
B) 0.21 VV |
C) 0.28 VV |
D) 0.42 VV |
E) 0.63 VV |
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Transcribed Image Text:ХХ ХХХХХХ
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- 14arrow_forwardA maximum emf of 1.6 x 102 V is induced in a generator coil rotating where the field changes every 0.005 s. If the coil has an area of 0.095 m² and rotates in a magnetic field of 1.1 T, how many turns are in the coil? 04 O 45 O 15 O 3 O 12 FAC P PERHEDHESION DASDOMENarrow_forwardA 2. A flat coil is wrapped with 200 turns of very thin wire on a square frame with sides 18 cm long. A uniform magnetic field is applied perpendicular to the plane of the coil. If the field changes uniformly from 0.50 T to 0.00 T in 8.0 s, find the emf induced in the coil. a) 2.1 mV b) 4.1 mV c) 0.21 V d) 0.41 V W S E R F T G 20 H K Oarrow_forward
- A coil of ten turns of area 0.01 m2 and resistance 5 Q is placed perpendicularly inside a magnetic field whose intensity and direction changes as given in the figure. B(T) 2 0.1 0.3 0.5 0.8 0.9 t(s) -2 QUESTION 5 How much power is dissipated by the coil at time = 0.6 seconds? O 0.2 W O 0.4 W O 0,5 W O None of thesearrow_forwardA segment of wire 7.4 cm long is moving at a velocity of 7.08 m/s toward a parallel (much longer) wire which carries a current of 7.55 A. At a particular instant the wire segment is 5.4 cm away from the long, current-carrying wire. What is the induced emf (voltage) between the two ends of the wire segment? 1.47E-05 V 5.88E-06 V 1.18E-05 V 1.91E-05 Varrow_forwardAn emf is induced by rotating a 1070 turn, 20.0 cm diameter coil in the Earth's 4.95 ✕ 10−5 T magnetic field. What average emf (in V) is induced, given the plane of the coil is originally perpendicular to the Earth's field and is rotated to be parallel to the field in 10.0 ms?arrow_forward
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