EASY

TS EAMCET

IMPORTANT

Earn 100

Consider a negatively charged particle moving with a velocity $v$ in a magnetic field $B$ applied perpendicular to the plane of the paper (into the paper). The particle follows the path $A$ or $B$ or $C$ or $D$ (shown in the figure)

50% studentsanswered this correctly

Important Questions on Magnetic Effects of Current and Magnetism

MEDIUM

TS EAMCET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 21 - Magnetic Effects of Current and Magnetism>TS EAMCET Medical 2021 (9-Aug Shift-1)>Q 3

Electron moves to a region of uniform magnetic field

B

in the plane perpendicular to

B .

It finishes an orbit in

1 μ s .

What is the nearest value of

B

among the following

[

mass of electron

= 9 \times 10^{- 31} kg]

HARD

TS EAMCET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 21 - Magnetic Effects of Current and Magnetism>TS EAMCET - 9 August 2021 Shift 2>Q 4

A particle of charge,

q

and mass,

m

moves is a uniform magnetic field,

B

with a speed,

V

. The average acceleration for

90 °

turn as it moves from point

1

2

as shown in the figure is

α (\frac{q V B}{m})

. The value of

α

EASY

TS EAMCET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 21 - Magnetic Effects of Current and Magnetism>TS EAMCET 2020 (28-Sep Shift-1)>Q 5

A conducting circular loop of radius

r

carries a constant current

i .

It is placed in an uniform magnetic field

{\vec{B}}_{0}

such that

{\vec{B}}_{0}

is perpendicular to the plane of the loop. The magnetic force acting on the loop is.

EASY

TS EAMCET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 21 - Magnetic Effects of Current and Magnetism>TS EAMCET Medical 2018 (02 May Shift-1)>Q 6

The magnitude and direction of a force vector acting on a unit length of thin wire carrying a current $I$ at point $O$ , if the wire has a semicircular shape of radius $R$ as shown in the figure.

Question Image

MEDIUM

TS EAMCET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 21 - Magnetic Effects of Current and Magnetism>TS EAMCET - 10 August 2021 Shift 1>Q 7

A straight wire carrying current

I

is lying along the axis of a circular loop carrying current

I .

The force on this wire due to circular loop is proportional to (Assume axis of the circular loop is perpendicular to the plane of the loop)

EASY

TS EAMCET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 21 - Magnetic Effects of Current and Magnetism>TS EAMCET - 10 August 2021 Shift 1>Q 8

A square loop of sides

2 m

lies in

X - Y

plane and carries a current,

3 A

and, is in the magnetic field coming out of the page (along

+ Z

-axis). The field grows in strength at a rate,

2 m T m^{- 1}

in the horizontal direction (

X

-axis). What is the force acting on it?

EASY

TS EAMCET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 21 - Magnetic Effects of Current and Magnetism>TS EAMCET Medical 2021 (9-Aug Shift-1)>Q 9

A square loop is made from a uniform wire as shown in the figure. If a battery is connected between the points $A & C,$ then the magnitude of the magnetic field at the center of the square is

Question Image

MEDIUM

TS EAMCET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 21 - Magnetic Effects of Current and Magnetism>TS EAMCET Medical 2018 (02 May Shift-1)>Q 10

A steady current

I

flows down a long rod of radius

a

in such a way that its current density

\vec{J} = k r^{2} \hat{r},

where

k

is a positive constant of appropriate dimensions,

r

is the radial distance from the axis and

\hat{r}

is the unit vector along the radial direction. Then the magnitude of the magnetic field at any point

r (r < a)

inside the rod is

Consider a negatively charged particle moving with a velocity v in a magnetic field B applied perpendicular to the plane of the paper (into the paper). The particle follows the path A or B or C or D (shown in the figure)

Important Questions on Magnetic Effects of Current and Magnetism

Learn and Prepare for any exam you want !

Consider a negatively charged particle moving with a velocity $v$ in a magnetic field $B$ applied perpendicular to the plane of the paper (into the paper). The particle follows the path $A$ or $B$ or $C$ or $D$ (shown in the figure)