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1 of 3. Square loops a and b are identical. Loop a is perpendicular to a uniform magnetic field B. Loop b is tilted at 45 deg with respect to a uniform magnetic field B. The loops are shown nearly “edge-on.” The magnitude of the magnetic flux through b is Equal to that through a.

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  1. 1 of 3 • Square loops a and b are identical. Loop a is perpendicular to a uniform magnetic field B. Loop b is tilted at 45 deg with respect to a uniform magnetic field B. The loops are shown nearly “edge-on.” The magnitude of the magnetic flux through b is • Equal to that through a. • Less than that through a, but more than half that through a. • Half that through a. • Less than half that through a. a b N N B B 2

  2. N N S S 2 of 3 • Wire loop a is wound once around the bar magnet. Wire loop b is wound twice around the bar magnet. The magnitude of the magnetic flux through b is • twice that through a. • equal to that through a. • half that through a. a b 3

  3. 3 of 3 • The current in the solenoid is steadily increasing. The magnitude of the induced “emf” (electromotive force, aka voltage drop appearing across external resistive load such as DVM) in the square loop will be • steadily increasing. • staying constant. • steadily decreasing. • zero. V 4

  4. MOVING COIL METER

  5. 1 of 3 • Square loops a and b are identical. Loop a is perpendicular to a uniform magnetic field B. Loop b is tilted at 45 deg with respect to a uniform magnetic field B. The loops are shown nearly “edge-on.” The magnitude of the magnetic flux through b is • Equal to that through a. • Less than that through a, but more than half that through a. • Half that through a. • Less than half that through a. a b N N B B 7

  6. N N S S 2 of 3 • Wire loop a is wound once around the bar magnet. Wire loop b is wound twice around the bar magnet. The magnitude of the magnetic flux through b is • twice that through a. • equal to that through a. • half that through a. a b 8

  7. 3 of 3 • The current in the solenoid is steadily increasing. The magnitude of the induced “emf” (electromotive force, aka voltage drop appearing across external resistive load such as DVM) in the square loop will be • steadily increasing. • staying constant. • steadily decreasing. • zero. V 9

  8. PROJECTION SCREEN 1 4 1 4 1 4 1 4 2 5 2 5 2 5 2 5 3 6 3 6 3 6 3 6 HAND IN TODAY’S ACTIVITIES SHEETS 10

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