A 10 m long horizontal wire extends from north-east to south-west. It is falling with a speed of 5.0 m s⁻¹, at right angles to the horizontal component of the earth's magnetic field of 0.3 × 10⁻⁴ Wb/m². The value of the induced emf in wire is
A
0.3 × 10⁻³ V
B
2.5 × 10⁻³ V
C
1.5 × 10⁻³ V
D
1.1 × 10⁻³ V

Question

A 10 m long horizontal wire extends from north-east to south-west. It is falling with a speed of 5.0 m s⁻¹, at right angles to the horizontal component of the earth's magnetic field of 0.3 × 10⁻⁴ Wb/m². The value of the induced emf in wire is

A

0.3 × 10⁻³ V

B

2.5 × 10⁻³ V

C

1.5 × 10⁻³ V

D

1.1 × 10⁻³ V

Accepted Answer

1.5 × 10⁻³ V

Answer

0.3 × 10⁻³ V

Answer

2.5 × 10⁻³ V

Answer

1.1 × 10⁻³ V

STANDARD Physics Motional EMF MCQ Question

Correct Answer

Detailed Explanation

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