Calculate the current in the secondary coil

Reference no: EM13496352

A high intensity desk lamp is rated at 45W but requires only 12V. It contains a transformer that converts 120V household voltage.

a) Is the transformer step up or step down?

b) What is the current in the secondary coil when the lamp is on?

c) What is the current is the primary coil?

d) What is the resistance of the bulb when in?

Reference no: EM13496352

Questions Cloud

Compute the amplitude of electricfield induced by variation : The magnetic field of a cylindrical magnet that has a pole-face diameter of 3.3 cm can be varied sinusoidally between 29.6 T, At a radial distance of 2.0 cm, what is the amplitude of the electric field induced by the variation

Which research proposal should fenwar have accepted : Which research proposal should Fenwar have accepted? Why? Comment on the ethical issues in this scenario.

Calculate the optimal production : Calculate the volume of activity that the company will have to achieve in order to meet the targeted level of profit for each one of the four products.

Estimate the work done on the jet by the catapult : A fighter jet is launched from the aircraft carrier with the aid of its own engines and a steam powered catapult. The thrust of its engines is 2.3E5N. What is the work done on the jet by the catapult

Calculate the current in the secondary coil : A high intensity desk lamp is rated at 45W but requires only 12V. It contains a transformer that converts 120V household voltage. What is the current in the secondary coil

How will the u.s. company report the forward contract : Draft a memo to a client comparing the advantages and disadvantages of using forward contracts and options to hedge foreign exchange risk.

What is this temperature in degree fahrenheit : the official record for the lowest temperature ever recorded on earth was set at Vostok, Antarctica, on July 21, 1983. what is this temperature in degree fahrenheit

Find the angle between the incident and emerging rays : Light of wavelength 380 nm is incident on the face of a silica prism at an angle of 1 = 64.2 (with respect to the normal to the surface). Find the angle between the incident and emerging rays

What is differences between ordinary and statutory income : Explain using examples and relevant sections of the act, what the differences between Ordinary Income and Statutory income are. Use your own examples (not from MTG or Barkoczy text).

User Account

All Pages