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<CH23 HW (Part 2) - Attempt 1 Problem 23.72 ③ 90t 12 Review Astep down transformer...
A step-down transformer produces a voltage of 5.9 V across the secondary coil when the voltage...
A step-down transformer produces a voltage of 5.9 V across the secondary coil when the voltage across the primary coil is 140 V . Part A What voltage appears across the primary coil of this transformer if 140 V is applied to the secondary coil? Express your answer using two significant figures.
A step-down transformer produces a voltage of 5.4 V across the secondary coil when the voltage...
A step-down transformer produces a voltage of 5.4 V across the secondary coil when the voltage across the primary coil is 140 V. What voltage appears across the primary coil of this transformer if 140 V is applied to the secondary coil?
A step-down transformer produces a voltage of 6.1 V across the secondary coil when the voltage...
A step-down transformer produces a voltage of 6.1 V across the secondary coil when the voltage across the primary coil is 130 V . What voltage appears across the primary coil of this transformer if 130 V is applied to the secondary coil?
A transformer consists of 290 primary windings and 824 secondary windings. Part A: If the potential...
A transformer consists of 290 primary windings and 824 secondary windings. Part A: If the potential difference across the primary coil is 21.5 V , what is the voltage across the secondary coil? Part B: If the potential difference across the primary coil is 21.5 V , what is the current in the secondary coil if it is connected across a 115 Ω resistor?
Part A: A transformer with turns ratio (primary/secondary) of 18:1 is used to step down the...
Part A: A transformer with turns ratio (primary/secondary) of 18:1 is used to step down the voltage from a 120 V wall socket to be used in a battery charger. What is the voltage supplied to the recharger? Part B: The electric motor in a toy train requires a voltage of 9.0 V. Find the ratio of turns on the primary coil to the turns on the secondary coil in a transformer that will step the 120-V household voltage down...
A transformer consists of 290 primary windings and 842 secondary windings. PART A: If the potential...
A transformer consists of 290 primary windings and 842 secondary windings. PART A: If the potential difference across the primary coil is 29.0 V , what is the voltage across the secondary coil? Express your answer in volts to three significant figures. PART B: If the potential difference across the primary coil is 29.0 V , what is the current in the secondary coil if it is connected across a 150 Ω resistor? Express your answer in amperes to three...
Problem 9. (0.2 pts). An ideal step-down transformer has a primary coil of 370 turns and...
Problem 9. (0.2 pts). An ideal step-down transformer has a primary coil of 370 turns and a secondary 22 turns. Its primary coil is plugged into an outlet with 115 V, from which it draws a current coil of of 0.29 A. (a) What is the voltage in the secondary coil? (b) Calculate the current in the secondary coil? (c) Assuming that the transformer secondary is driving a resistive load, calculate the average power dissipated in the resistor.
Problem 21.28 Constants A transformer has 400 turns in the primary coil and 200 in the...
Problem 21.28 Constants A transformer has 400 turns in the primary coil and 200 in the secondary coil. Part B By what factor does it change the voltage? Assume 100% efficiency Express your answer using three significant figures 5 Submit Request Answer Part C By what factor does it change the current? Express your answer using three significant figures 四? I. Submit Request Answer
UCUR and AC Enext Conceptual Question 26.15 The ignition system in a car uses a transformer...
UCUR and AC Enext Conceptual Question 26.15 The ignition system in a car uses a transformer whose primary has 200 turns and carries 10 Aits secondary, with 20,000 turns, is connected to the spark plug An electronic switch suddenly stops the current in the primary creating a briet, 40.000 V pulse in the secondary that makes a spark in the plug, which ignites the fuel mixture Part A Why does the voltage pulse occur only as the primary current is...
Give Simple, correct answer will give thumbs and good rating <Ch 19 HW Problem 19-7 The...
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<Ch 19 HW Problem 19-7 The following partial IR spectra correspond to a primary amine, a secondary amine, and an alcohol. 2.5 3. 3.5 4 25 3.5 100 100 3 25 100 3.5 80 80 (a) 80 (b) (c) 60 60 60 40 40 40 20 20 20 0 4000 0 3500 3000 2500 4000 3500 3000 2500 0 4000 3500 3000 2500 Part A Give the functional group for...
Problem 9. (0.2 pts). An ideal step-down transformer has a primary coil of 370 turns and a secondary 22 turns. Its primary coil is plugged into an outlet with 115 V, from which it draws a current coil of of 0.29 A. (a) What is the voltage in the secondary coil? (b) Calculate the current in the secondary coil? (c) Assuming that the transformer secondary is driving a resistive load, calculate the average power dissipated in the resistor.
Problem 21.28 Constants A transformer has 400 turns in the primary coil and 200 in the secondary coil. Part B By what factor does it change the voltage? Assume 100% efficiency Express your answer using three significant figures 5 Submit Request Answer Part C By what factor does it change the current? Express your answer using three significant figures 四? I. Submit Request Answer
UCUR and AC Enext Conceptual Question 26.15 The ignition system in a car uses a transformer whose primary has 200 turns and carries 10 Aits secondary, with 20,000 turns, is connected to the spark plug An electronic switch suddenly stops the current in the primary creating a briet, 40.000 V pulse in the secondary that makes a spark in the plug, which ignites the fuel mixture Part A Why does the voltage pulse occur only as the primary current is...
Give Simple, correct answer
will give thumbs and good rating
<Ch 19 HW Problem 19-7 The following partial IR spectra correspond to a primary amine, a secondary amine, and an alcohol. 2.5 3. 3.5 4 25 3.5 100 100 3 25 100 3.5 80 80 (a) 80 (b) (c) 60 60 60 40 40 40 20 20 20 0 4000 0 3500 3000 2500 4000 3500 3000 2500 0 4000 3500 3000 2500 Part A Give the functional group for...
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