9) An infinite long wire carries a current iw(t) = i, cos(ot). Nearby, there is a triangular loop at a distance c from the long wire, with base b and height a. The loop has electrical resistance R. [Express answers in terms of a, b, c, R, lo, t and w as appropriate] (a) At which instants in time is there zero induced current in the loop, during the range 0sts 2n/w? (b) When is the induced current flowing clockwise as viewed in the figure, during the range 0sIs 2n/w? (c) What is the magnitude of the induced current in the loop? Express your answer as a function of time t. iw (d) What is the direction of the force on the loop when: (i) t = 0? Choose one and explain the reason: (no force, attracted to wire, repelled by wire) (i) t = 7/(4a)? Choose one and explain the reason: (no force, attracted to wire, repelled by wire) %3D y b (iI) t = 7/(20)? Choose one and explain the reason: (no force, attracted to wire, repelled by wire) Z (out of page)
9) An infinite long wire carries a current iw(t) = i, cos(ot). Nearby, there is a triangular loop at a distance c from the long wire, with base b and height a. The loop has electrical resistance R. [Express answers in terms of a, b, c, R, lo, t and w as appropriate] (a) At which instants in time is there zero induced current in the loop, during the range 0sts 2n/w? (b) When is the induced current flowing clockwise as viewed in the figure, during the range 0sIs 2n/w? (c) What is the magnitude of the induced current in the loop? Express your answer as a function of time t. iw (d) What is the direction of the force on the loop when: (i) t = 0? Choose one and explain the reason: (no force, attracted to wire, repelled by wire) (i) t = 7/(4a)? Choose one and explain the reason: (no force, attracted to wire, repelled by wire) %3D y b (iI) t = 7/(20)? Choose one and explain the reason: (no force, attracted to wire, repelled by wire) Z (out of page)
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![9) An infinite long wire carries a current iw(t) = i, cos(ot). Nearby, there is a
triangular loop at a distance c from the long wire, with base b and height a. The
loop has electrical resistance R. [Express answers in terms of a, b, c, R, io, t and w
as appropriate] (a) At which instants in time is there zero induced current in the
loop, during the range 0sts 2n/w? (b) When is the induced current flowing
clockwise as viewed in the figure, during the range 0sts 2n/w? (c) What is the
magnitude of the induced current in the loop? Express your answer as a function
of time t.
iw
(d) What is the direction of the force on the loop when:
(i) t = 0? Choose one and explain the reason: (no force, attracted to wire,
repelled by wire)
(ii) t = n/(4w)? Choose one and explain the reason: (no force, attracted to wire,
repelled by wire)
(ii) t = T/(20)? Choose one and explain the reason: (no force, attracted to wire,
repelled by wire)
Z (out
of page)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffa66fbc6-18e5-4a3b-803b-b73fa02f59f0%2F6aa543c5-3e87-412a-95f7-c5bffa2df618%2Fa84sk8h_processed.jpeg&w=3840&q=75)
Transcribed Image Text:9) An infinite long wire carries a current iw(t) = i, cos(ot). Nearby, there is a
triangular loop at a distance c from the long wire, with base b and height a. The
loop has electrical resistance R. [Express answers in terms of a, b, c, R, io, t and w
as appropriate] (a) At which instants in time is there zero induced current in the
loop, during the range 0sts 2n/w? (b) When is the induced current flowing
clockwise as viewed in the figure, during the range 0sts 2n/w? (c) What is the
magnitude of the induced current in the loop? Express your answer as a function
of time t.
iw
(d) What is the direction of the force on the loop when:
(i) t = 0? Choose one and explain the reason: (no force, attracted to wire,
repelled by wire)
(ii) t = n/(4w)? Choose one and explain the reason: (no force, attracted to wire,
repelled by wire)
(ii) t = T/(20)? Choose one and explain the reason: (no force, attracted to wire,
repelled by wire)
Z (out
of page)
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