Question
7. An ideal transformer steps up 12.0 volts to 125 volts and the 2630-turn secondary supplies...
7. An ideal transformer steps up 12.0 volts to 125 volts and the 2630-turn secondary supplies 11.5 Amperes.
a) Determine the current in the primary.
b) Determine the turns ratio.
c) What is the ratio of output power to input power?
Homework Answers
Answer #1
I have uploaded the solution hope you will
understand. If you have any doubts feel free to ask in comment
section.
Not the answer you're looking for?
Similar Questions
An ideal transformer has 100 turns on its primary coil and 200 turns on its secondary...
An ideal transformer has 100 turns on its primary coil and 200
turns on its secondary coil. If 120 V at 2.0 A is applied to the
primary,
(a) What voltage is present in the secondary?
(b) What current is present in the secondary?
(c) What is the output power?
(d) Is this a step-up or step-down transformer?
(e) Is the input power the same, larger or smaller than the
output power?
a) An ideal step-down transformer has a primary coil of 400 turns and a secondary coil...
a) An ideal step-down transformer has a primary coil of 400
turns and a secondary coil of 14 turns. Its primary coil is plugged
into an outlet with 240 V(AC), from which it draws an rms current
of 0.35 A. What is the voltage in the secondary coil?
b) Calculate the rms current in the secondary coil.
c) Assuming that the transformer secondary is driving a
resistive load, calculate the average power dissipated in the
resistor.
Seven) An ideal transformer has 25 turns on the input and 400 turns on the output....
Seven) An ideal transformer has 25 turns on the input and 400
turns on the output. There is an input voltage of 120V and an input
current of 0.200A.
a. What is the power input?
b. What is the power output?
c. What is the voltage output?
d. What is the current output?
e. Is this a “step up” transformer or a “step down”
transformer?
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
4.00 V. The RMS current delivered to the answering machine is 350
mA. If the primary (input) coil of the transformer has 720 turns,
then how many turns are there on the secondary (output) coil?
What is the power drawn from the electric outlet, if the
transformer is assumed to be ideal?
What is the power drawn...
An ideal transformer has 150 turns on the primary winding and 600 turns on the secondary....
An ideal transformer has 150 turns on the primary winding and
600 turns on the secondary. If the primary is connected across a
110V generator, what is the output at the secondary?
A: 110V
B: 220V
C: 440V
D: 880V
Please show work
An ideal step-down transformer has a primary coil of 370 turns and a secondary coil of...
An ideal step-down transformer has a primary coil of 370 turns
and a secondary coil of 25 turns. Its primary coil is plugged into
an outlet with 115 V(AC), from which it draws an rms current of
0.69 A.
What is the voltage in the secondary coil?
Calculate the rms current in the secondary coil.
Assuming that the transformer secondary is driving a resistive
load, calculate the average power dissipated in the resistor.
Assume that a 60 Hz, 200 kVA, transformer is an ideal transformer with a turn ration...
Assume that a 60 Hz, 200 kVA, transformer is an ideal
transformer with a turn ration of a = 1/15 and primary voltage of
110 VAC then determine the following:
1. Its Secondary side voltages .
2. The value of load current (i.e., I2), if a load impedance
connected to its secondary terminals makes the transformer fully
loaded.
3. The value of the primary-side current.
4. The value of the load impedance referred to the primary side
of the transformer.
A transformer has 500. primary turns and 10.0 secondary turns. (a) If Vp is 120.V(rms), what...
A transformer has 500. primary turns and 10.0 secondary turns.
(a) If Vp is 120.V(rms), what is Vs? If the secondary now has a
resistive load of 10.0Ω, what is the current in the (b) secondary
and (c) primary? (Hints: Input power equals the output power.
Express power in terms of voltage and current, then use Faraday’s
Law to relate voltage to number of turns and change of flux. If the
primary and the secondary are connected via a closed...
A transformer connected to a 120 −V ac line is to supply 12.0 VV (rms) to...
A transformer connected to a 120 −V ac line is to supply 12.0 VV
(rms) to a portable electronic device. The load resistance in the
secondary is 5.20 ΩΩ .
- What should the ratio of primary to secondary turns of the
transformer be, What rms current must the secondary supply?
- What average power is delivered to the load, What resistance
connected directly across the source line (which has a voltage of
120 −V) would draw the same power...
A)A transformer has a primary with 10 turn and a 120V AC source connected to it....
A)A transformer has a primary with 10 turn and a 120V AC source
connected to it. The secondary has 20 turns. Calculate the voltage
on the secondary
B)A transformer has a primary with 10 turn and a 120V AC source
connected to it. The secondary has 20 turns. Calculate the current
in the secondary
C) A device requires 40W of power to function. Given 120V are
applied to the device, calculate the current through the
device.
D)Calculate the rate of...
ADVERTISEMENT
Need Online Homework Help?
Get Answers For Free
Most questions answered within 1 hours.
ADVERTISEMENT
Active Questions
asked 1 minute ago
asked 3 minutes ago
asked 9 minutes ago
asked 26 minutes ago
asked 42 minutes ago
asked 57 minutes ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago