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# Solution - A Horizontal Straight Wire 10 M Long Extending from East to West is Falling with a Speed of 5.0 ms^−1 - Ac Generator

#### Questions

A horizontal straight wire 10 m long extending from east to west is falling with a speed of 5.0 m s−1, at right angles to the horizontal component of the earth’s magnetic field, 0.30 × 10−4 Wb m−2.

(a) What is the instantaneous value of the emf induced in the wire?

(b) What is the direction of the emf?

(c) Which end of the wire is at the higher electrical potential?

A horizontal conducting rod 10 m long extending from east to west is falling with a speed 5.0 ms–1 at right angles to the horizontal component of the Earth's magnetic field, 0.3 × 10–4 Wb m–2. Find the instantaneous value of the emf induced in the rod.

#### Solution

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#### APPEARS IN

NCERT Physics Textbook for Class 12 Part 1
Chapter 6: Electromagnetic Induction
Q: 7 | Page no. 230
2016-2017 (March) All India Set 3
Question 24.2 | 5 marks (combined)
2016-2017 (March) All India Set 1
Question 25.2 | 5 marks (combined)

#### Reference Material

Solution for question: A Horizontal Straight Wire 10 M Long Extending from East to West is Falling with a Speed of 5.0 ms^−1 concept: Ac Generator. For the courses CBSE (Arts), CBSE (Commerce), CBSE (Science)
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