A square wire with 2 m sides is perpendicular to a uniform magnetic field, with half the area of the loop in the field as shown in the figure. The loop contains a 20 V battery with negligible resistance. If the magnitude of the field varies with time according to B = 1.1410 - 0.8500 t with B in teslas and t in seconds, what is the total emf in the circuit?

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Chapter1: Units, Trigonometry. And Vectors
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A square wire with 2 m sides is perpendicular to a uniform magnetic field, with half the area of the loop in the field as shown in the figure. The loop contains a 20 V battery with negligible resistance. If the magnitude of the field varies with time according to

B = 1.1410 - 0.8500 t

with B in teslas and t in seconds, what is the total emf in the circuit?

 

(8c30p11) A square wire with 2 m sides is perpendicular to a uniform magnetic field, with half the area of the loop in the field as shown in the
figure. The loop contains a 20 V battery with negligible resistance. If the magnitude of the field varies with time according to
B = 1.1410 0.8500 t
with B in teslas and t in seconds, what is the total emf in the circuit?
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Submit Answer Tries 0/4
What is the direction of the current through the battery?
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100
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O
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20.0 V
Transcribed Image Text:(8c30p11) A square wire with 2 m sides is perpendicular to a uniform magnetic field, with half the area of the loop in the field as shown in the figure. The loop contains a 20 V battery with negligible resistance. If the magnitude of the field varies with time according to B = 1.1410 0.8500 t with B in teslas and t in seconds, what is the total emf in the circuit? ● ● Submit Answer Tries 0/4 What is the direction of the current through the battery? · · ●I ● • · ● ● ● 100 ● ● · ● . ● ●₁ ● ● O · 20.0 V
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