hw8key

# hw8key - emf vBl V emf vBl V-= = × × = × = = × × = ×...

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1 Step 1, formulas or related concepts.] Step 2, known quantities. Step 3, direct application of the formulas/concept or the condition to form an equation. HW8Key HW8 key 2 I o μ B π a = Φ = - b d dt emf

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2 Step 4, vector involved? Yes Step 5, unit in the final answer correct? Answered all were asked? Yes, All questions answered. HW8Key 0 0 ln( 1 2 2 h w h I IL w B dA L dr r h μ π + Φ = = × = + ∫∫ a a i a ) + + Φ = = + = - - 0 0 1 2 1 2 b (a bt )L w d ln( h d bL w ln( dt dt h emf b ) Current: Power: - - × × × = + = + = × 7 6 0 4 10 10 1 0 1 1 1 4 8 10 2 2 0 01 bL w . emf ln( ln( . (V ) h . - = = × 6 4 8 10 emf I . ( A) R Current direction is counter-clockwise - - - = × = × × × = × 6 6 11 4 8 10 4 8 10 2 302 10 P I emf . . . (W )
3 Step 1, formulas or related concepts.] Step 2, known quantities. Step 3, direct application of the formulas/concept or the condition to form an equation. HW8Key = emf vBL and Kirchhoff’s rules

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4 Step 4, vector involved? Yes Step 5, unit in the final answer correct? Answered all were asked? Yes, All questions answered. HW8Key 3 1 3 2 2 0.01 0.1 2 10 ( ) 4 0.01 0.1 4 10 ( )

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Unformatted text preview: emf vBl V emf vBl V--= = × × = × = = × × = × Right rod: Left rod: It is a circuit with two batteries (and Internal resistance): 1 3 1 2 3 2 3 2 3 1 0.002 15 5 0.0013( ) 0.004 10 5 0.0034( ) 0.0047( ) I I I A I I I A I A I I I- ×- × = = -× + × = ⇒ = - = + = Kirchhoff’s rules Power: 2 2 4 3 0.0047 5 1.1 10 ( ) P I R W-= = × = × 5 Step 1, formulas or related concepts.] Step 2, known quantities. Step 3, direct application of the formulas/concept or the condition to form an equation. HW8Key Φ = -b d dt emf 6 Step 4, vector involved? Yes Step 5, unit in the final answer correct? Answered all were asked? Yes, All questions answered. HW8Key 2 2 2 d a dB emf K a dt dt Q C emf CK a π Φ = -= -= = × = Charge: The plate above is at higher potential....
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hw8key - emf vBl V emf vBl V-= = × × = × = = × × = ×...

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