NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 7 - Moving Charges and Magnetic Field>QUESTIONS>Q 47

MEDIUM

12th ICSE

IMPORTANT

Earn 100

A cyclotron accelerating protons has dees of $0.4 m$ radius and a radio-frequency supply of $12$ megacycles/ second at $2000$ volt maximum value. Calculate the magnitude of the required magnetic field, the energy and velocity acquired by the protons. Take proton mass $1.67 x 10^{27} kg .$

Important Questions on Moving Charges and Magnetic Field

EASY

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 7 - Moving Charges and Magnetic Field>QUESTIONS>Q 1

The biot-savart's law in vector form is :

EASY

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 7 - Moving Charges and Magnetic Field>QUESTIONS>Q 2

A moving electron enters a uniform magnetic field perpendicularly. Inside the magnetic field the electron travels along :

EASY

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 7 - Moving Charges and Magnetic Field>QUESTIONS>Q 3

When a charged particle is projected perpendicular to a uniform magnetic field, it describes a circular path in which :

EASY

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 7 - Moving Charges and Magnetic Field>QUESTIONS>Q 4

Gauss is the unit of :

EASY

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 7 - Moving Charges and Magnetic Field>QUESTIONS>Q 5

A metallic wire having length of

2 m

and weight of

4 \times 10^{- 3} N

is found to remain at rest in a uniform and transverse magnetic field of

2 \times 10^{- 4} T .

Current flowing through the wire is:

EASY

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 7 - Moving Charges and Magnetic Field>QUESTIONS>Q 6

Magnetic induction vector

\vec{B}

in terms of base units of

SI

would be :

EASY

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 7 - Moving Charges and Magnetic Field>QUESTIONS>Q 7

The period of revolution of a charged particle injected normal to a uniform magnetic field is independent of the:

EASY

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 7 - Moving Charges and Magnetic Field>QUESTIONS>Q 8

Which of the following cannot be the shape of the path of a charged particle moving in a uniform magnetic field ?