EASY
12th Meghalaya Board
IMPORTANT
Earn 100

How does period of revolution of a charged particle depends on speed and radius of circular path inside "Dee" of cyclotron.

Important Questions on Moving Charges and Magnetism

EASY
12th Meghalaya Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 4 - Moving Charges and Magnetism>Exercise>Q 19
Show the period of half revolution of a positive charge in "Dee" of a cyclotron does not depend on the radius of circular path. 
HARD
12th Meghalaya Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 4 - Moving Charges and Magnetism>Exercise>Q 20
A galvanometer of resistance 50 Ω produces full-scale deflection for a current of 0.15 A. Determine the value of shunt required to make it an ammeter of range of 1.5 A and  5 A.
HARD
12th Meghalaya Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 4 - Moving Charges and Magnetism>Exercise>Q 21

An ammeter and a voltmeter of suitable ranges are to be used to measure the current and voltage of an electric lamp. If a mistake were made and the meters are interchanged what will happen? Explain.

EASY
12th Meghalaya Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 4 - Moving Charges and Magnetism>Exercise>Q 22
What is the resistance of an ideal ammeter?
MEDIUM
12th Meghalaya Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 4 - Moving Charges and Magnetism>Exercise>Q 23
Explain the principle of cyclotron. 
HARD
12th Meghalaya Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 4 - Moving Charges and Magnetism>Exercise>Q 25
An electron accelerated by a potential difference of 300 V is moving at a distance of 4 mm from a long, straight wire. If a current of 5 A flows through the wire, what will be the force acting on the electron ?
EASY
12th Meghalaya Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 4 - Moving Charges and Magnetism>Exercise>Q 26
Find the expression for the resistance connected in parallel to convert a galvanometer to an ammeter. 
HARD
12th Meghalaya Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 4 - Solved Physics Paper-1>Exercise>Q 34
Describe the working of cyclotron. Draw the diagram showing path of particle in both "Dees" Derive expression for frequency of cyclotron.