TS EAMCET 2023 (Online) 14th May Evening Shift | Electromagnetic Induction Question 13 | Physics

A conducting rod is moving towards right with a velocity $v$ in a uniform magnetic field $B$. If the direction of induced current $i$ is as shown in the figure, then the direction of $B$ is

TS EAMCET 2023 (Online) 14th May Evening Shift Physics - Electromagnetic Induction Question 12 English

in the plane of the paper towards right

in the plane of the paper towards left

perpendicular to the plane of the paper and into the paper

perpendicular to the plane of the paper and out of the paper

TS EAMCET 2023 (Online) 14th May Morning Shift

MCQ (Single Correct Answer)

-0

Metal detector works on the principle of

Ohm's law

Coulomb's law

Electromagnetic induction

Stefan's law of radiation

TS EAMCET 2023 (Online) 14th May Morning Shift

MCQ (Single Correct Answer)

-0

A copper disc of radius 0.1 m rotates about an axis passing through its centre and perpendicular to its plane with 10 revolutions per second in a uniform transverse magnetic field of 0.1 T . The emf induced across the radius of the disc is

$\frac{\pi}{10} \mathrm{~V}$

$\frac{2 \pi}{10} \mathrm{~V}$

$10 \pi \mathrm{mV}$

$20 \pi \mathrm{mV}$

TS EAMCET 2023 (Online) 13th May Evening Shift

MCQ (Single Correct Answer)

-0

The self inductance of a coil depends on

number of turns of the coil only

size of the coil only

shape of the coil only

size, shape of the coil and number of turns in it

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