What is the inductance L of the primary of a transformer whose input is 140 V...
What is the inductance L of the primary of a transformer whose input is 140 V at 72 Hz and the current drawn is 2.1 A ? Assume no current in the secondary. Express your answer using two significant figures.
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What is the inductance L of the primary of a transformer whose
input is 140 V...
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-up transformer has 28 turns on the primary coil and 710 turns on the secondary...
A step-up transformer has 28 turns on the primary coil and 710 turns on the secondary coil. If this transformer is to produce an output of 5000 V with a 11-mA current, what input current and voltage are needed? What is Vi? Express your answer using two significant figures.
Part A A transformer has 310 primary turns and 1390 secondary turns. The input voltage is...
Part A A transformer has 310 primary turns and 1390 secondary turns. The input voltage is 120 V and the output current is 150 A Assume 100% efficiency What is the output voltage? Express your answer to three significant figures and include the appropriate uni PHP R O ? Vs Value Units Submit Request Answer Part B What is the rout current Express your answer to three significant figures and include the appropriate units. HAR O m? Ip Value Units
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 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
Electricity is distributed from electrical substations to neighborhoods at 1.3×104 V . This is a 60Hz...
Electricity is distributed from electrical substations to neighborhoods at 1.3×104 V . This is a 60Hz oscillating (AC) voltage. Neighborhood transformers, seen on utility poles, step this voltage down to the 120Vthat is delivered to your house. Express your answer using two significant figures. Q1: How many turns does the primary coil on the transformer have if the secondary coil has 140 turns? Q2: No energy is lost in an ideal transformer, so the output power Pout from the secondary...
Electricity is distributed from electrical substations to neighborhoods at 1.4x104 V. This is a 60Hz oscillating...
Electricity is distributed from electrical substations to neighborhoods at 1.4x104 V. This is a 60Hz oscillating (AC) voltage. Neighborhood transformers, seen on utility poles, step this voltage down to the 120V that is delivered to your house. Part A How many turns does the primary coil on the transformer have if the secondary coil has 150 turns? Express your answer using two significant figures. VA - ? neprim turns Submit Request Answer Part B No energy is lost in an...
<CH23 HW (Part 2) - Attempt 1 Problem 23.72 ③ 90t 12 Review Astep down transformer...
<CH23 HW (Part 2) - Attempt 1 Problem 23.72 ③ 90t 12 Review Astep down transformer produces a voltage of 5.6 V across the secondary coil when the voltage across the primary coll is 140 V Part A What voltage appears across the primary coil of this transformer if 140 V is applied to the secondary co? Express your answer using two significant figures. VOAEG RO? Submit Request Answer Next > wyciemView assignment Problem . 13612590 1 Pravide Feedback
A transformer has 500 primary turns and 2200 secondary turns. The input voltage is 120 v...
A transformer has 500 primary turns and 2200 secondary turns. The input voltage is 120 v and the output current is 15.0 A. What is the output voltage and input current assuming 100 percent efficiency?
11 12 13 14 A transformer has the voltages 25 V_pri and 140 V_sec. A current...
11 12 13 14
A transformer has the voltages 25 V_pri and 140 V_sec. A current 3.5 mA is flowing in the primary. What is the current flowing in the secondary? (Assume 100 percent efficiency.) Submit Answer Save Progress Practice Another Version A machine in the factory needs 31V to operate. The power in the factory is different from that, so a transformer is needed. If the secondary to primary turns ratio {N_sec/N_pri) of the transformer is 0.0675, What is...
Part A A transformer has 310 primary turns and 1390 secondary turns. The input voltage is 120 V and the output current is 150 A Assume 100% efficiency What is the output voltage? Express your answer to three significant figures and include the appropriate uni PHP R O ? Vs Value Units Submit Request Answer Part B What is the rout current Express your answer to three significant figures and include the appropriate units. HAR O m? Ip Value Units
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
Electricity is distributed from electrical substations to neighborhoods at 1.4x104 V. This is a 60Hz oscillating (AC) voltage. Neighborhood transformers, seen on utility poles, step this voltage down to the 120V that is delivered to your house. Part A How many turns does the primary coil on the transformer have if the secondary coil has 150 turns? Express your answer using two significant figures. VA - ? neprim turns Submit Request Answer Part B No energy is lost in an...
<CH23 HW (Part 2) - Attempt 1 Problem 23.72 ③ 90t 12 Review Astep down transformer produces a voltage of 5.6 V across the secondary coil when the voltage across the primary coll is 140 V Part A What voltage appears across the primary coil of this transformer if 140 V is applied to the secondary co? Express your answer using two significant figures. VOAEG RO? Submit Request Answer Next > wyciemView assignment Problem . 13612590 1 Pravide Feedback
A transformer has 500 primary turns and 2200 secondary turns. The input voltage is 120 v and the output current is 15.0 A. What is the output voltage and input current assuming 100 percent efficiency?
11 12 13 14
A transformer has the voltages 25 V_pri and 140 V_sec. A current 3.5 mA is flowing in the primary. What is the current flowing in the secondary? (Assume 100 percent efficiency.) Submit Answer Save Progress Practice Another Version A machine in the factory needs 31V to operate. The power in the factory is different from that, so a transformer is needed. If the secondary to primary turns ratio {N_sec/N_pri) of the transformer is 0.0675, What is...
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