How many turns does the primary coil have

Assignment Help Physics
Reference no: EM13275167

A small light has a 1.0 V, 4.8 W bulb that is powered by a transformer concocted to a 120 V dc power source. The secondary coil of the transformer has 20 turns of wire.

A. How many turns does the primary coil have?

B. What resistance is needed in the light to produce a power of 1.0 W?

Reference no: EM13275167

Questions Cloud

Computing the ratio of molecular weights : the pressure is found to be 1atm. 3 g of gaseous substance B are then added to the 2g of A, and the pressure is now found to be 1.5 atm. Assuming ideal gas behavior. calculating the ratio of molecular weights, that is MwA/ MwB
After what time is the capacitor fully charged : An LC circuit is built with a 20 mH inductor and an 8.0 microF capacitor. After what time is the capacitor fully charged
Design the corresponding descrambler and scrambler : a)Design the corresponding scrambler. b)Design the corresponding descrambler. c)Determine the output sequence T. d)Verify that if this T is applied to the input of the descrambler, the output is the sequence S.
What is the value of the growth option : If the company does not consider real options, what is Project X's NPV? Round your answer to two decimal places. If the answer is negative, use minus sign.
How many turns does the primary coil have : A small light has a 1.0 V, 4.8 W bulb that is powered by a transformer concocted to a 120 V dc power source. How many turns does the primary coil have
Calculate the correct amount in each situation : You will reach full retirement age in 20 years, and you can invest $5000 each year and can earn 7% annually during this period. How much money will you have as you enter the retirement phase of your life, from this investment?
How to calculate the pressure for the system : the two flask are filled with nitrogen gas and when both are immersed in boiling water the gas pressure inside the system is .5 atm. one of the flask is then immersed in an ice water mixture, keeping the other in the boiling water. calculate the n..
Obtain and simplify the flip-flop characteristic equations : The flip-flop input excitation equations are as follows: JA=XQ'B; KA=X'; JB=XQA; KB=X'Q'A The output equation: Z=XQAQB 1. Draw the circuit diagram 2. Obtain and simplify the flip-flop characteristic equations 3. Obtain the state table
Explain systematic errors and random errors : Explain Systematic Errors and Random Errors with suitable a case study for each error. Briefly comment on your answer based on your explanation.

Reviews

Write a Review

 

Physics Questions & Answers

  Write down an expression for the displacement as a function

Standing on ground 3.5 from the wall of a building, you want to throw a package from your 1.6 shoulder level to someone in a second-floor window 4.5 above the ground.

  Find the speed of the water that leaves the hose

A Garden hose with a cross sectional area of 3.2x10^-4 m^2 is used to fill up a bucket with a volume of 6.5x10^-2 m^3 in 25 seconds

  What is the velocity of the boat relative to shore

A river flows due east at 1.43 m/s. A boat crosses the river from south shore to the north shore by maintaining a constant velocity of 10.5 m/s due north relative to the water.

  What is the change in entropy due to this heat transfer

How much heat flows from 1.00 kg of water at 46.0°C when it is placed in contact with 1.00 kg of 22°C water in reaching equilibrium, What is the change in entropy due to this heat transfer

  At the nucleus surface what is magnitude of electric field

A certain atom of has 89 protons. Assume that the nucleus is a sphere with radius 7.25 fm and with the charge of the protons uniformly spread through the sphere. At the nucleus surface what is the magnitude of the electric field produced by the pr..

  Calculate the ratio of the drag force on a jet flying

Calculate the ratio of the drag force on a jet flying at 1132 km/h at an altitude of 10.0 km to the drag force on a prop-driven transport flying at 547 km/h

  What is the approximate temperature

On a nice winter day at the South Pole, the temperature rises to ?63°F. What is the approximate temperature in degrees Celsius

  Find the phase angle between current and applied voltage

An RLC circuit consists of a 218 resistor, a 45 ?F capacitor, and a 298 mH inductor, What is the phase angle between the current and the applied voltage

  Explain how long will it take the camel to cross the desert

The camel walks at the uniform speed 4.53 km/hr along a straight line in the direction 39.7? north of East (only the camel knows why he chose that particular direction). Explain how long will it take the camel to cross the desert?

  Calculate the capacitance and energy density

The plates of a parallel-plate capacitor in vacuum are 25 micrometer apart and 88 square cm in area, Calculate the charge on each plate, the capacitance and the energy density

  What is the total energy of the pumpkin

A 4kg pumpkin is sitting stationary on a platform. What is the total energy of the pumpkin measured by a person standing on the platform

  Find the tension in the tightrope

A circus performer stretches a tightrope between two towers. He strikes one end of the rope and sends a wave along it toward the other tower. He notes that it takes the wave 0.675 s to reach the opposite tower, 20.0 m away. If a 1 meter length of ..

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd