Quiz#3-soln

# Quiz#3-soln - Quiz #3 Name ______________...

This preview shows pages 1–2. Sign up to view the full content.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Quiz #3 Name ______________ PS#________________ PHYS 1302 Summer 6W2 2009 Lau ------------------------------------------------------------------------------------------------------------ Constants k=1/(4 πε )= 8.99 x 10 9 in SI units. The charge of an electron is –e = -1.6x10-19 C μ =4 π x 10-7 in SI units ---------------------------------------------------------------------------------------------------------- 1 An electron moves at a speed of 5.0 × 10 5 m/s normal to the direction of a magnetic field of 0.50 T. Find the force acting on the electron. Solution: 19 5 14 sin (1.6 10 )(5.0 10 / )(0.50 )(sin90 ) 4.0 10 F q B C m s T N υ θ-- = = × × ° = × A. 4.0 × 10-14 N B. 1.5 × 10-13 N C. 2.5 × 10 5 N D. 4.0 × 10-13 N E. 8.8 × 10-13 N ------------------------------------------------------------------------------------------------------------ 2. A wire 25 cm long, carrying a current of 5.5 A, is placed at an angle of 30 ° relative to a uniform magnetic field of 0.20 T. Find the force acting on the wire....
View Full Document

## This note was uploaded on 04/10/2010 for the course PHYS 1102 taught by Professor Lau during the Spring '10 term at Houston Baptist.

### Page1 / 3

Quiz#3-soln - Quiz #3 Name ______________...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online