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Magnetic Meridian

99. A horizon...

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99. A horizontal conducting rod10m long extending from east to west is falling with a speed of 5msec at right angles to the horizontal component of earth magnetic fied 0.3*10-4(zero point three multiplied by ten raised to the power minus four) find the instananeous value of emf induced in the rod

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Q. 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}

m^{- 2}

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

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 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

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 horizontal straight wire

20 m

long extending from east to west is falling with a speed of

5.0 m / s

at right angle to the horizontal component of the earths magnetic field

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

. The instantaneous value of the e.m.f induced in the wire will be

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