MOCK Physics 10 Test #2 - Quia
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Name __________________________Classes 10A, 10B & 10C V2 Physics 24/10/14 Must Show all Work 1 MOCK Test #2: Chapter 9 Matching: USE CAPITAL LETTERS (A, B, C, ...) for answering Numbers 1 through 8 Match the following terms with the correct definition. There is at least one extra term that will not match any of the definitions. USE CAPITAL LETTERS (A, B, ..) A. FALSE B. primary coil C. step-down voltage D. ⨂ E. secondary coil F. TRUE G. Electromagnetic Induction H. step-up voltage I. ⨀ J. Lenz’s Law ___ 1. has more turns on the output coil than the input coil ___ 2. magnets have poles denoted S and N ___ 3. the geographic N pole of the Earth corresponds to the Earth’s Magnetic N ___ 4. this induction generates EMF in a wire when it is moved across a magnetic field ___ 5. a symbol indicating that the magnetic field is into the paper away from you ___ 6. Power from the grid is distributed by a series of: a. transformers b. rectifiers c. generators d. substations e. None of these choices are correct ___ 7. When determining the direction of induced current in a straight wire in the presence of the magnetic field, Fleming’s _______________ rule applies: a. Left-hand b. Right-hand c. Right-hand grip d. electromagnetic e. None of these choices are correct
Transcript of MOCK Physics 10 Test #2 - Quia
Name __________________________Classes 10A, 10B & 10C V2 Physics 24/10/14 Must Show all Work
1
MOCK Test #2: Chapter 9 Matching: USE CAPITAL LETTERS (A, B, C, ...) for answering Numbers 1 through 8
Match the following terms with the correct definition. There is at least one extra term that will not match any of the definitions. USE CAPITAL LETTERS (A, B, ..)
A. FALSE B. primary coil C. step-down voltage D. ⨂ E. secondary coil F. TRUE G. Electromagnetic Induction H. step-up voltage I. ⨀ J. Lenz’s Law ___ 1. has more turns on the output coil than the input coil ___ 2. magnets have poles denoted S and N ___ 3. the geographic N pole of the Earth corresponds to the Earth’s Magnetic N ___ 4. this induction generates EMF in a wire when it is moved across a magnetic field ___ 5. a symbol indicating that the magnetic field is into the paper away from you ___ 6. Power from the grid is distributed by a series of:
a. transformers b. rectifiers c. generators d. substations e. None of these choices are correct
___ 7. When determining the direction of induced current in a straight wire in the presence of the magnetic field, Fleming’s _______________ rule applies: a. Left-hand b. Right-hand
c. Right-hand grip d. electromagnetic e. None of these choices are correct
Name __________________________Classes 10A, 10B & 10C V2 Physics 24/10/14 Must Show all Work
2
8. Short Answer: How can the magnetic field be increased? ANSWER: PAGE 208 _____________________________________________________________________________________________________________________________________________________________________________________________________________________
How can the magnetic force be increased? ANSWER: PAGE 210 _____________________________________________________________________________________________________________________________________________________________________________________________________________________
How can the direction of the induced EMF be reversed? ANSWER: PAGE 214 ______________________________________________________________________________________________________________________________________________________________ 9. The path of a charged particle in a magnetic field sometimes results in circular motion. Newton’s 2nd Law states that the net Force is equal to the particle’s mass multiplied by its centripetal acceleration. Your formula sheet (or the whiteboard) will list these formulas.
a. Derive (show the algebraic equation derivation) the radius of the circle that the charged particle takes in the presence of a magnetic field. Consider the relationship between the magnetic force FB and the centripetal acceleration, ac. HINT: Your answer should only be in terms of r, m, v, B, and q.
b. Given the picture below, which way does the Magnetic Field point?
c. Given the same picture, which way does the Conventional Current Flow?
d. What would happen if the current was reversed?
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