16. The creation of a loop rule in a circuit is essentially a restatement of which of the following?

16.

The creation of a loop rule in a circuit is essentially a restatement of which of the following?

a. The law of conservation of charge

b. The law of inertia

c. The law of conservation of energy

d. The law of action and reaction

17.

Consider the following circuits:

Circuit 1: A 10 v battery in series with two 10 Ω resistors

Circuit 2: Two 10 v batteries in series with three 10 Ω resistors

Circuit 3: Three 10 v batteries in series with two 10 Ω resistors

Circuit 4: A 10 v battery connected to two 10 Ω resistors that are in parallel

Circuit 5: Two 10 v batteries in parallel with each other in series with two 10 Ω resistors

Which of the circuits above would have the same current through each resistor as the current in a circuit containing a single 10 v battery and a 10 Ω resistor?

a. Circuit 1

b. Circuit 2

c. Circuit 3

d. Circuit 4

e. Circuit 5

18.

Two 20 v batteries are in series, connected positive pole to negative pole. They each have internal resistance of 5 Ω. What power is dissipated in one of the batteries?

a. 80 watts

b. 200 watts

c. 150 watts

d. 50 watts

19.

A circuit consists of a 100 v battery connected in series to a 20 Ω resistor and two 2 F capacitors. The two capacitors are connected in parallel. What is the initial current out of the battery?

a. 2 A

b. 4 A

c. 5 A

d. 10 A

20.

A circuit consists of a 100 v battery connected in series to a 20 Ω resistor and two 2 F capacitors. The two capacitors are connected in parallel. What is the current out of the battery at t = 25 seconds?

a. 1.3 A

b. 2.8 A

c. 3.7 A

d. 4.1 A