R A wire forms a closed circular loop, with radius R = 2.5 m and resistance 7.7 Q. As shown in the figure, the circle is centred on a long straight wire; at time t = 0, the current in the long straight wire is 7.9 A towards the right. At later times, the current changes according to i = 3.5 A - (8.0 A/s?)t?. (The straight wire is insulated; so there is no electrical contact between it and the wire of the loop.) What is the magnitude of the current induced in the loop at times t > 0?
R A wire forms a closed circular loop, with radius R = 2.5 m and resistance 7.7 Q. As shown in the figure, the circle is centred on a long straight wire; at time t = 0, the current in the long straight wire is 7.9 A towards the right. At later times, the current changes according to i = 3.5 A - (8.0 A/s?)t?. (The straight wire is insulated; so there is no electrical contact between it and the wire of the loop.) What is the magnitude of the current induced in the loop at times t > 0?
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A wire forms a closed circular loop, with radius R = 2.5 m and resistance 7.7 Q. As shown in the
figure, the circle is centred on a long straight wire; at time t = 0, the current in the long straight wire
is 7.9 A towards the right. At later times, the current changes according to i = 3.5 A - (8.0 A/s?)t?.
(The straight wire is insulated; so there is no electrical contact between it and the wire of the loop.)
What is the magnitude of the current induced in the loop at times t > 0?
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