What is the internal resistance of a 4.1 V battery that produces power of 77 W when shorted with wire of negligble resistance?

What is the current labled with a “?” if 8, 8, 7 and 2?

A hollow copper wire with an inner diameter of 1.8 mm and an outer diameter of 3.2 mm carries a current of 13 A. What is the current density in the wire?

A long, straight wire carries a current of I = 1.5 A to the left as shown below. What is the magnitude of the magnetic field created by this wire at point P which is 17 cm away from the wire as shown?

BONUS (worth 2 bonus points) What type of sensory system is this shark using? ________ 

Which of the following conditions may result as a complication of edematous bowel?

A hollow copper wire with an inner diameter of 1.1 mm and an outer diameter of 3.4 mm carries a current of 13 A. What is the current density in the wire?

What is the power dissipated by the resistor if 7.3

Please use the following additional information for Questions 38-41: A financial institution originates a pool of 500 30-year mortgages, each averaging $150,000 with an annual mortgage coupon rate of 8 percent. Assume that the entire mortgage portfolio is securitized to be sold as GNMA pass-throughs. The GNMA credit risk insurance fee is 6 basis points and that the FI’s servicing fee is 19 basis points. Question: What is the total amount of monthly mortgage payments from mortgage borrowers to the pool?

You have $10,000 to invest and you are considering investing in a mutual fund. The fund charges a front-end load of 5 % and an annual expense fee of 1 % of the average asset value over the year. You believe the fund’s gross rate of return will be 10% per year. If you make the investment, what is your annual rate of return net of expenses during the first year?