{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Spring_2010_Exam_2_Form_A

Spring_2010_Exam_2_Form_A - FORM A PHYS 272 Spring 2010...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
1 PHYS 272 Spring 2010 EXAM-II There are two parts to the Exam: nine multiple-choice problems (72 points) and one comprehensive problem to be hand-graded (28 points). All pages are double-sided. The Answer-Sheet is the last page (both multiple-choice and hand-graded). Tear off the last page to be turned in after you finish. Important: Enter your Name, PUID, Signature on the Answer-Sheet. Show your Purdue ID card to the Instructor when turning in the Answer-Sheet. Useful information Current and drift velocity: i nAv = I q nAv = v uE = Biot-Savart for single charge: 0 2 ˆ 4 qv r B r µ π × = Capacitance: 0 / C K A s ε = Conductivity and resistance: qnu σ = /( ) R L A σ = Ohm’s law: V IR = Power: P I V = Lorentz force: F qE qv B = + × Magnetic force on current segment: F I l B = ∆ × Torque on magnetic dipole: B τ µ = × Potential energy of magnetic dipole: U B µ =−
Background image of page 1

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

View Full Document Right Arrow Icon