1
Question
Choose the correct option.
A
rectangular coil of copper wires is rotated in a magnetic field. The
direction of the induced current changes once in each
(a) two revolutions
(b) one revolution
(c) half revolution
(d) one-fourth revolution
Choose the correct option.
A rectangular coil of copper wires is rotated in a magnetic field. The direction of the induced current changes once in each
|
(a) two revolutions |
(b) one revolution |
|
(c) half revolution |
(d) one-fourth revolution |
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Solution
(c) When a rectangular coil of copper is rotated in a magnetic field,
the direction of the induced current in the coil changes once in each
half revolution. As a result, the direction of current in the coil
remains the same.
(c) When a rectangular coil of copper is rotated in a magnetic field, the direction of the induced current in the coil changes once in each half revolution. As a result, the direction of current in the coil remains the same.
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