In the circuit shown below, what is the equivalent resistance?  What is the total current for the circuit?  R1 = 10.0 Ω, R2 = 10.0 Ω, R3 = 15.0 Ω, R4 = 12.0 Ω.  V= 9.0 V. (3 points)

Potential energy of point-charges: Two point charges of +1.0

5 wires meet at a junction.  I1 (current 1) and I2 (current 2) are going into the junction.   I3 (current 3), I4 (current 4) and I5 (current 5) are coming out of the junction.  a) Using Kirchhoff’s first rule, write the current equation. (1 point)b) If I1 = 1.46 A, I2 = 3.25 A, I3 = 1.71 A, I4 = 2.1 A, what is the value of I5? (2 points).

Ohm’s law: Calculate the current through a 10.0 m long 22 gauge (having radius 0.321 mm) nichrome wire if it is connected to a 12.0 V battery.  The resistivity of nichrome is 100 × 10-8

Parallel-plate capacitors: A parallel-plate capacitor has plates of area 0.40 m2 and plate separation of 0.20 mm. The capacitor is connected across a 9.0 V potential source. (å0 = 8.85 × 10-12  C2/N · m2)(a) What is the magnitude of the electric field between the plates? (2 points)(b) What is the capacitance of the capacitor?(2 points)(c) What is the magnitude of the charge on each plate of the capacitor?(2 points).

Dielectrics: A parallel-plate capacitor has a capacitance of 10 mF and is charged with a 20 V power supply. The power supply is then removed and a dielectric material of dielectric constant 4.0 is used to fill the space between the plates. What is the voltage now across the capacitor?

Energy in capacitors: A  1.0

What is sometimes referred to as dietary fiber

Cats can not use linolenic acid to synthesize

Which nutrient is considered the most important for sustaining life?