The force on a charge moving with velocity v in a magnetic field B is...

JAMB 2003

The force on a charge moving with velocity v in a magnetic field B is half of the maximum force when the angle between v and B is

A. 90^o
B. 45^o
C. 30^o
D. 0^o

Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts

WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now

Correct Answer: Option C

Explanation

the force on a moving charge in a magnetic field is given by: F = q V β sin θ
and this force is maximum when θ = 90^o, during which sin 90^o = 1: and for sinθ = 0.5, θ = 30^o

Previous Next

Go back to Phy classroom

Report an Error Ask A Question Download App

WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now

Contributions ({{ comment_count }})

Please wait...

{{ settings.no_comment_msg ? settings.no_comment_msg : 'There are no comments' }}

Quick Questions

What can i study with 155 score in science course? Answer this

2 Answers · Biology · 3 days ago
Does WAEC give Calculator to student for there exam? Answer this

3 Answers · Mathematics · 4 days ago
find the value of (16)^3/2 + log0.0001 + log325? Answer this

13 Answers · Mathematics · 10 years ago

The force on a charge moving with velocity v in a magnetic field B is...

Correct Answer: Option C

Explanation

Contributions ({{ comment_count }})

Please wait...

Modal title

Report

Block User

{{ feedback_modal_data.title }}

Quick Questions

Post your Contribution

Sign In