Sine series Study guides, Class notes & Summaries
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Level 2 Module 1 Alternating Currents correctly answered rated A+ 2023/2024
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Level 2 Module 1 Alternating Currents 
2:1 
What is the step-down turns ratio of a transformer with 200 turns in the primary and 100 turns in the secondary? 
 
 
induced high voltage 
Opening the secondary of a CT under load will cause a dangerous level of___. 
 
 
40Hz 
What is the hertz rating of an AC circuit if the frequency is 20 cycles per 1/2 second? 
 
 
340V 
Given: A circuit has an rms voltage of 120VAC. What is the peak-to-peak voltage? 
 
 
175V 
A circuit has a peak voltage of 275V....
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SOLUTIONS MANUAL for Differential Equations Theory, Technique, and Practice 3rd Edition By Steven G. Krantz ISBN 9781032102702. All Chapters 1-13.
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SOLUTIONS MANUAL for Differential Equations Theory, Technique, and Practice 3rd Edition By Steven G. Krantz ISBN 2702. All Chapters 1-13. Table of Contents 1. What Is a Differential Eq uation? 1.1 Introductory Remarks 1.2 A Taste of Ordinary Differential Equations 1.3 The Nature of Solutions 2. Solving First-Order Equations 2.1 Separable Equations 2.2 First-Order Linear Equations 2.3 Exact Equations 2.4 Orthogonal Trajectories and Curves 2.5 Homogeneous Equations 2.6 Integrating Factors 2.7 Red...
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2023-2024 MAY-JUNE SERIES EDEXCEL GCSE BUSINESS MARK SCHEME PAPER 2A BUILDING A BUSINESS
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MAY-JUNE SERIES EDEXCEL GCSE BUSINESS MARK SCHEME PAPER 2A BUILDING A BUSINESS 
 
Mark scheme 
Section A 
 
Question Number	Answer	Mark 
1 (a)	A	(1) AO1a 
 
Question Number	Answer	Mark 
1 (b)	C	(1) AO1a 
 
Question Number	Answer	Mark 
1 (c)	Award 1 mark for identification of an impact, plus 2 further marks for explaining this impact up to a total of 3 marks. 
 
Productivity can be increased (1) as technology can speed up the production process (1) therefore reducing the unit cost of making an i...
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MAY/JUNE SERIES 2023 EDEXCEL GCSE BUSINESS MARK SCHEME PAPER 2B BUILDING A BUSINESS
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MAY/JUNE SERIES 2023 EDEXCEL GCSE BUSINESS MARK SCHEME PAPER 2B BUILDING A BUSINESS 
Mark scheme 
Section A 
 
Question Number	Answer	Mark 
1 (a)	C	(1) AO1a 
 
Question Number	Answer	Mark 
1 (b)	C	(1) AO1a 
 
Question Number	Answer	Mark 
1 (c)	Award 1 mark for identifying one advantage of external recruitment, plus 2 further marks for explaining this advantage up to a total of 3 marks. 
 
External recruitment gives the business a much wider choice of potential applicants 
(1) which means a candi...
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EDEXCEL GCSE BUSINESS MARK SCHEME PAPER 1B- INVESTIGATING SMALL BUSINESS MAY/JUNE SERIES 2023
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EDEXCEL GCSE BUSINESS MARK SCHEME PAPER 1B- INVESTIGATING SMALL BUSINESS MAY/JUNE SERIES 2023 
 
Mark scheme 
Section A 
 
Question Number	Answer	Mark 
1 (a)	B	(1) AO1a 
 
Question Number	Answer	Mark 
1 (b)	A	(1) AO1a 
 
Question Number	Answer	Mark 
1 (c)	Award 1 mark for identification of a reason, plus 2 further marks for explaining this reason, up to a total of 3 marks. 
 
To identify and understand customer needs (1), to ensure that features of its products/services meet customer requirement...
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NEW 2023 MAY-JUNE SERIES EDEXCEL GCSE BUSINESS MARK SCHEME PAPER 1B INVESTIGATING SMALL BUSINESS
- Exam (elaborations) • 15 pages • 2023
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NEW 2023 MAY-JUNE SERIES EDEXCEL GCSE BUSINESS MARK SCHEME PAPER 1B INVESTIGATING SMALL BUSINESS 
Mark scheme 
Section A 
 
Question Number	Answer	Mark 
1 (a)	C	(1) AO1a 
 
Question Number	Answer	Mark 
1 (b)	B	(1) AO1a 
 
Question Number	Answer	Mark 
1 (c)	Award 1 mark for identification of an advantage, plus 2 further marks for explaining this advantage, up to a total of 3 marks. 
 
Limited liability means that the owners (shareholders) can only lose the money invested in the business if it fai...
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COMD 5070 Exam 3 (Latest 2023/ 2024 Update) Acoustics of Speech and Hearing| Questions and Verified Answers| 100% Correct| Grade A
- Exam (elaborations) • 30 pages • 2023
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COMD 5070 Exam 3 (Latest 2023/ 2024 Update) Acoustics of Speech and Hearing| Questions and Verified Answers| 100% Correct| Grade A 
 
 
Q: How to calculate frequency? If there is a period of 2ms (0.002 seconds)?- 
 
 
Answer: 
 1/0.002= 500 Hz. 
 
 
Q: What is a harmonic series? 
 
Answer: 
 When multiple sine waves or pure tones are combines together. 
 
 
Q: What are integer multiples? 
 
Answer: 
 The whole number multiples of whatever the fundamental frequency is. 
 
 
Q: What is the fundame...
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MAY/JUNE SERIES 2023EDEXCEL GCSE BUSINESS MARK SCHEME PAPER 2B BUILDING A BUSINESS Mark scheme
- Exam (elaborations) • 14 pages • 2023
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MAY/JUNE SERIES 2023EDEXCEL GCSE 
BUSINESS MARK SCHEME PAPER 2B BUILDING 
A BUSINESS 
Mark scheme
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CET Study Guide Exam 294 Questions with Verified Answers,100% CORRECT
- Exam (elaborations) • 63 pages • 2024
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CET Study Guide Exam 294 Questions with Verified Answers 
 
B+, or supply voltages in electronics products, is considered to be: 
 
A. +5 to +12 VDC 
B. 0 to 30 V DC 
C. +12 to 300 V DC 
D. The anode or plate voltage supply - CORRECT ANSWER A: +5 to +12 VDC 
 
Leakage current in an electronic product, between either of the AC power cord conductors and the chassis or any exposed metal parts should not exceed 
A. 5 micoamps 
B. 500 microamps 
C. 5 milliamps 
D. 50 milliamps - CORRECT ANSWER D: 50...
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ETA CET Exam 382 Questions with Verified Answers,100% CORRECT
- Exam (elaborations) • 33 pages • 2024
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ETA CET Exam 382 Questions with Verified Answers 
 
The resistance of a component at a given frequency - CORRECT ANSWER What is impedance? 
 
Diode - CORRECT ANSWER A two terminal device that conducts in only one direction. 
 
Printed Circuit Board - CORRECT ANSWER Insulating board containing conductive tracks for circuit connections. 
 
Capacitor - CORRECT ANSWER An electrical device used to store electrical charge. 
 
1996 - CORRECT ANSWER When did the ETA initiate renewal? 
 
False - CORRECT ...
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