Determine the drives resistance

Assignment Help Physics

Reference no: EM13248274

A computer CD-ROM drive that operates on 120 V is rated at 50W when it is operating.

A) How much current does the drive draw?

B) What is the drive's resistance?

C) How much energy (in kWh) does this drive use per month assuming it operates 15 min per day?

D) Estimate the electric energy bill per month, assuming 15 cents per kWh.

Reference no: EM13248274

Questions Cloud

Find the percentage regulation when supplying full load : A 10kVA, 200/400V 50Hz single-phase transformer gave the following test results. O/C test: 200V, 1.3A, 120W, on l.v. side. S/C test: 22V, 30A, 200W on h.v. side. (a) Calculate the magnetizing current and the component corresponding to core loss at ..

What is the frequency for a periodic signal with a period : What is the frequency for a periodic signal with a period of 2.5 ns 2.5 GHz 250 MHz 4.0 GHZ 400 MHz 2. Which decimal number is equivalent to 25 10 25 31 32 3. Convert the following decimal negative numbers to their 8-bit, 2's complement formulatio..

Find the magnetic field strength at the center of the coil : A piece of copper wire has a resistance per unit length of 6.45 10-3 ?/m, Find the magnetic field strength at the center of the coil

What is the optimal policy and cost of such a strategy : Suppose that the store wants to consider a stockout strategy. They estimate the cost of back ordering to be $3 per unit per year. What is the optimal policy and cost of such a strategy? Show all work and draw a diagram of this policy.

Determine the drives resistance : A computer CD-ROM drive that operates on 120 V is rated at 50W when it is operating. What is the drive's resistance

What is the difference in the filtered signals spectrum : A signal contains a mixture 30 , 100 and 240 Hz Sine waves and also contains wideband noise whose spectrum is from 500 Hz up to a 1000 Hz. Describe a filtering technique that can be used to cleanly separate 30, 100 and 240 Hz from each other and a..

What is the purpose of inventory : What is the purpose of inventory? How does inventory management impact operations performance objectives? Provide specific examples.

How many turns must there be in the output coil : The generator at a power plant produces AC at 29,000 V. A transformer steps this up to 305,000 V for transmission over power lines, how many turns must there be in the output coil

Find the magnetic force exerted on a wire : Can anyone please help me figure out this question, thanks in advance. What is the magnetic force exerted on a 2.85 m length of wire carrying a current of 0.595 A

User Account

All Pages