Electric Circuits Answers

 Find the magnitude of the electrical force and the

gravitational force between the electron and the proton in the

atom. The average distance between the two particles is 0.53 A

An 18 Ω resistor and 30 Ω resistor are connected in series to an unknown voltage source. A very special tool measures the electron flow to be 8.2(10)18 e- to flow through the circuit per second in a clockwise direction.

a. Draw this circuit. Pay close attention to the description!

b. What is the current in the circuit?

c. What is the voltage of the source?

d. What is the total power generated by the components?

In nuclear fission, a nucleus splits roughly in half.

A. what is the potential 4.00x10^-14m from a fragment that has 50 protons in it? (p=+1.602x10^-19C)

B. what is the potential energy of a similarly charged fragment at this distance?

The series combination of five cells, each with electromotive force of 1.5 V and internal resistance of 0.5 Ω, is connected to an external resistance of 5.0 N. Find the (a) current through the external circuit, (b) terminal voltage of the battery, and (c) terminal voltage of a cell.

An electron and a proton are accelerated through the same potential difference

A. The electron has lower KE

B. The proton has lower speed

C. The proton has lower KE

D. The electron has lower speed

Explain why is that your answer.

Two 80-0 resistors are connected in series with 0.15 A flowing through them?

Find a. Total Resistance (Rt)

b. Voltage drop (Vt) across resistors

c. Current through the circuit

Two resistors of values 6.0 and 12.0 ohms are connected in parallel. This combination in turn is hooked in series with a 2.0 ohm resistor and a battery. The current in the 2 ohm resistor is recorded as 5.5 A. What must the terminal voltage of the battery be?

A rectangular conductor has cross sectional dimension of 0.1cm by 0.3 cm. a current of 3.0 A is passed through the conductor and the drift velocity of the charge carries is to determined to be 4.7 x 10^-4 m/s. Assuming the individual charge values are 1.6 x 10^-19 C what is the charge density of the material making up the conductor?

A material is found to triple its resistance when its temperature is decreased by 10 degrees C. What is the temperature coefficient for this material?

Four charges on the corner of square q1=q2=+1µc on the top of the square andq3=q4=-2µc on the bottom of the square, Find the resultant force on q4