Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app

Olympiad workbook

Exam: Olympiad workbook
Subject: NSEP
Chapter: Magnetic Effects of Current

Olympiad workbook · NSEP · Magnetic Effects of Current

A tightly wound long solenoid carries a current 5 A . An electron...

A tightly wound long solenoid carries a current 5 A . An electron shot perpendicular to the solenoid axis inside it revolves at a frequency

10^8 \mathrm{rev} / \mathrm{s}

. The number of turns per meter length of the solenoid is

Options

A $57$
B $176$
C $569$
D $352$

Correct answer

C. $569$

Step-by-step solution

No Solution

Practice Magnetic Effects of Current on Quantrex Academy →

More from Magnetic Effects of Current

A wire in the shape of a square frame carries a current I and produces a magnetic field… Olympiad workbook A coil 2.0 cm in diameter has 300 turns. If the coil carries a current of 10 mA and lies… Olympiad workbook An infinitely long straight non-magnetic conducting wire of radius a carries a dc current… Olympiad workbook A neutral metal bar moves at a constant velocity v to the right through a region of… Olympiad workbook Paragraph: The following questions are concerned with experiments on the characterization… Olympiad workbook A rectangular loop carrying a current is placed in a uniform magnetic field. The net… Olympiad workbook The SI unit of permeability of free space is Olympiad workbook A fixed horizontal wire M carries 200 A current. Another wire N running parallel to M… Olympiad workbook Full Magnetic Effects of Current list All Olympiad workbook PYQs