Homework Answers
Add Answer to:
4. Help
o. You need a transformer that will draw. 15 W of power from a...
The step-down transformer in a local neighborhood reduces the voltage from a 1,680 V line to...
The step-down transformer in a local neighborhood reduces the voltage from a 1,680 V line to 120 V. (a) If there are 175 loops on the secondary, how many are on the primary coil? ______ loops (b) What current does the transformer draw from the line if the current in the secondary is 36.0 A? ________ A (c) What are the power input and output? Input: _______ W Output: ________ W
32. A neon sign transformer has 450 W AC output with an rms voltage of 15...
32. A neon sign transformer has 450 W AC output with an rms voltage of 15 KV when connected to normal household outlet (120 V). There are 500 turns of wire in the primary coil. (a) How many turns of wire does the secondary coil have? (b) When the transformer is running at full power, what are the currents in the secondary coil and in the primary coil? (c) What is the peak current in the primary coil?
Can you help me solve this problem and show the steps? The local transformer shown below...
Can you help me solve this problem and show the steps?
The local transformer shown below provides the last voltage stepdown in a power distribution system. A common sight on utility poles in residential areas, it is a single-phase transformer that typically has a 13.8-kV rms line to neutral on its primary coil, and a center tap secondary coil provides both 120 V rms and 240 V rms to service several residences. A typical example of this transformer is shown...
. If you are designing a transformer for a cell phone charging cable and need to...
. If you are designing a transformer for a cell phone charging cable and need to step down the voltage from the primary coil to the secondary by half, which coil should have more turns O The primary coil should have more turns O The secondary coil should have more turns O The two coils should have the same number of turns 8. From one coil of a transformer to another, which of the following quantities ALWAYS stays constant (does...
The 200- turn primary coil of a step‑down transformer is connected to an AC line that...
The 200- turn primary coil of a step‑down transformer is connected to an AC line that is 120.0 V (rms). The secondary coil is to supply 10.0 A (rms) at 11.4 V (rms). Assuming no power loss in the transformer, what is the number of turns ?s in the secondary coil? ?s= turns What is the rms current ?p,rms in the primary coil?
The output rms voltage of a 480 W transformer is 240 V and the input rms...
The output rms voltage of a 480 W transformer is 240 V and the input rms current is 0.4 A. The primary coil has 200 turns, how many turns does the secondary could have?
An AC adapter for a telephone answering machine uses a transformer to reduce the line voltage...
An AC adapter for a telephone answering machine uses a transformer to reduce the line voltage of 120 V to a voltage of 6.00 V. The RMS current delivered to the answering machine is 600 mA. If the primary (input) coil of the transformer has 360 turns, then how many turns are there on the secondary (output) coil? Tries 0/20 What is the power drawn from the electric outlet, if the transformer is assumed to be ideal? Tries 0/20 What...
Question 32 (6 points) 32. A neon sign transformer has 450 W AC output with an...
Question 32 (6 points) 32. A neon sign transformer has 450 W AC output with an rms voltage of 15 kV when connected to normal household outlet (120 V). There are 500 turns of wire in the primary coil. (a) How many turns of wire does the secondary coil have? (b) When the transformer is running at full power, what are the currents in the secondary coil and in the primary coil? (c) What is the peak current in the...
2. The local transformer shown below provides the last voltage stepdown in a power distribution system....
2. The local transformer shown below provides the last voltage stepdown in a power distribution system. A common sight on utility poles in residential areas, it is a single-phase transformer that typically has a 13.8-LV rms line to neutral on its primary coil, and a center tap secondary coil provides both 120 Vrms and 240 Vrms to service several residences. A typical example of this transformer is shown below. Find the tums ratio necessary to produce the 240-V mms secondary...
A 3-j semi-controlled bridge rectifier is fed from a delta-star transformer 66 kVA, 60 Hz, 13800 ...
A 3-j semi-controlled bridge rectifier is fed from a delta-star transformer 66 kVA, 60 Hz, 13800 V/? (the secondary voltage is unknown). The load of the rectifier is highly inductive. The following measurements at a specified firing angle have been recorded: Ith RMS 70.71 A I line RMS (transformer secondary) 76.40 A Draw the complete circuit diagram and calculate; i. Load current Io. ii. Firing angle α. iii. Transformer secondary line voltage (RMS). iiii. Average output voltage (at the calculated...
32. A neon sign transformer has 450 W AC output with an rms voltage of 15 KV when connected to normal household outlet (120 V). There are 500 turns of wire in the primary coil. (a) How many turns of wire does the secondary coil have? (b) When the transformer is running at full power, what are the currents in the secondary coil and in the primary coil? (c) What is the peak current in the primary coil?
Can you help me solve this problem and show the steps?
The local transformer shown below provides the last voltage stepdown in a power distribution system. A common sight on utility poles in residential areas, it is a single-phase transformer that typically has a 13.8-kV rms line to neutral on its primary coil, and a center tap secondary coil provides both 120 V rms and 240 V rms to service several residences. A typical example of this transformer is shown...
. If you are designing a transformer for a cell phone charging cable and need to step down the voltage from the primary coil to the secondary by half, which coil should have more turns O The primary coil should have more turns O The secondary coil should have more turns O The two coils should have the same number of turns 8. From one coil of a transformer to another, which of the following quantities ALWAYS stays constant (does...
Question 32 (6 points) 32. A neon sign transformer has 450 W AC output with an rms voltage of 15 kV when connected to normal household outlet (120 V). There are 500 turns of wire in the primary coil. (a) How many turns of wire does the secondary coil have? (b) When the transformer is running at full power, what are the currents in the secondary coil and in the primary coil? (c) What is the peak current in the...
2. The local transformer shown below provides the last voltage stepdown in a power distribution system. A common sight on utility poles in residential areas, it is a single-phase transformer that typically has a 13.8-LV rms line to neutral on its primary coil, and a center tap secondary coil provides both 120 Vrms and 240 Vrms to service several residences. A typical example of this transformer is shown below. Find the tums ratio necessary to produce the 240-V mms secondary...
Most questions answered within 3 hours.
-
What is the net ionic equation for the reaction that would occur
when an aqueous solution...
asked 1 hour ago -
A
student bought $1000 worth of furniture. What is the equivalent
annual cost if it is...
asked 1 hour ago -
What taboo subject did Ida B. Wells suggest was consensual
between black men and white women?...
asked 3 hours ago -
You have just been hired by the EPA to help with the new gas
mileage standards...
asked 4 hours ago -
4) A firm is hit by increases in its wage rate, w.
a) How does this...
asked 4 hours ago -
A square current loop 5.4 cm on each side carries a 510 mA
current. The loop...
asked 6 hours ago -
What are five tips in conducting knowledge assessment/literature
review research? Each of these tips needs to...
asked 7 hours ago -
Antigen presenting cells link innate and adaptive immune
responses. In the theoretical scenario where phagosomes cannot...
asked 7 hours ago -
Dealing with conflict, in my opinion, is a skill and an art. I
believe that those...
asked 7 hours ago -
6. A long straight wire with circular cross section and radius
1.5 cm carries a 1.2...
asked 7 hours ago -
Deacon Corporation has provided the following financial data
from its balance sheet and income statement:
Year...
asked 8 hours ago -
List and discuss at least three variables from everyday life for
which you expect the variable ...
asked 8 hours ago