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Electromagnetic induction help
Question:
Generator coil has 120 turns on a rectangular coil of length 40 mm and width 30mm. The coil spins in a magnetic field of flux density 220mt
(1)when the generatot spins at a frequency of 20 Hz, show the peak voltage is 4.0V
Also:
Coil of an ac generator has 80 turns, a length of 65mm and a width of 38mm. It spins in a uniform magnetic field of flux density 130mT at a constant freuqnecy of 50 Hz.
a) calculate maximum flux linkage through the coil
b) (1) show each side of the coil moves at a speed of 6.0m/s
These questions are in the essential a2 physics for ocr textbook.
please help thanks
Generator coil has 120 turns on a rectangular coil of length 40 mm and width 30mm. The coil spins in a magnetic field of flux density 220mt
(1)when the generatot spins at a frequency of 20 Hz, show the peak voltage is 4.0V
Also:
Coil of an ac generator has 80 turns, a length of 65mm and a width of 38mm. It spins in a uniform magnetic field of flux density 130mT at a constant freuqnecy of 50 Hz.
a) calculate maximum flux linkage through the coil
b) (1) show each side of the coil moves at a speed of 6.0m/s
These questions are in the essential a2 physics for ocr textbook.
please help thanks
Reply 1
1) e = NAB x 2 pi f.
2)a) phi = N A B
b) each side of coil moves through a circle in 1/50 s. so v = ...
2)a) phi = N A B
b) each side of coil moves through a circle in 1/50 s. so v = ...
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