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

Open in App

Solution

Horizontal conducting rod has velocity $V$ downwards where $V = 5 m / s$ .
Length $L = 10 m$
Earth magnetic field $B = 0.3 \times 10^{- 4} W B m^{- 2}$
Instantaneous value of emf induced $E = B l v = 15 \times 10^{- 4} v o l t$

Suggest Corrections

Similar questions

Q. (a) Draw a labelled diagram of an ac generator. Obtain the expression for the emf induced in the rotating coil of N turns each of cross-sectional area A, in the presence of magnetic field

\to B

.
(b) A horizontal conducting rod 10 m long extending from east to west is falling with a speed 5.0

m s^{- 1}

at right angles to the horizontal component of the Earth's magnetic field,

0.3 \times 10^{- 4} W b m^{- 2}

. Find the instantaneous value of the emf induced in the rod.

Q. 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 \times 10^{- 4} W b / m^{2}

. The value of the induced emf in wire is:

Q. 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

\times 10^{- 4} W B 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?

Q. A horizontal straight wire 10m long extending from east to west is falling with a speed of 5.0 m/s at right angles to the horizontal component of earth's magnetic field

0.3 \times 10^{- 4}

tesla. The emf induced across the ends of wire is

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?

Join BYJU'S Learning Program

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

Horizontal conducting rod has velocity V downwards where V=5m/s. Length L=10m Earth magnetic field B=0.3×10−4WBm−2Instantaneous value of emf induced E=Blv=15×10−4volt

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

Horizontal conducting rod has velocity $V$ downwards where $V = 5 m / s$ .
Length $L = 10 m$
Earth magnetic field $B = 0.3 \times 10^{- 4} W B m^{- 2}$
Instantaneous value of emf induced $E = B l v = 15 \times 10^{- 4} v o l t$