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W18 Activity 2 - Kirchoff's Rules

Total questions: 9

Worksheet time: 2hrs 3mins

Name
Class
Date
1.
The picture shows an electrical circuit. This circuit is a series circuit because: 
a)
It has 3 light bulbs.
b)
The same current flows through all three light bulbs.
c)
It uses a single battery.
d)
The electrical current is divided between the three light bulbs.
2.

If the cell in the circuit above has a potential difference of 8V, what is the potential difference across one of the bulbs? Assume both bulbs are identical.

a)

8V

b)

4V

c)

16V

d)

2V

3.

Look at figure 4. Ammeter A2 and A3 read the same value at 0.4Amps. What is the reading on Ammeter A1?

a)

0.4A

b)

0.2A

c)

0.8A

d)

0 A

4.

An electrical junction has three wires A, B and C connected to it. Wire A carries 4.2 A going in, wire B carries 2.6 A going out. What does wire C carry?

a)

1.6 A going in

b)

1.6 A going out

c)

6.8 A going in

d)

6.8 A going out

5.

Current entering and leaving a point in a circuit should be

a)

equal

b)

decreasing

c)

increasing

d)

variable

6.

If a billion electrons enter a point in 1 s, then number of electrons

leaving that point in 1 s are

a)

2 billion

b)

3 billion

c)

1 billion

d)

10 billion

7.

Combined resistance of 5 Ω and 10 Ω are connected in series is equal to

a)

10 Ω

b)

15 Ω

c)

20 Ω

d)

25 Ω

8.

"The total current in a parallel circuit equals the sum of the individual branch currents."

a)

Ohm's Law

b)

Kirchhoff's Voltage Law

c)

Kirchhoff's Current Law

d)

Bolen's Law

9.

"The sum of all voltage drops in a series circuit equals the total applied voltage." This is know as what?

a)

Ohm's Law

b)

Kirchhoff's Voltage Law

c)

Kirchhoff's Current Law

d)

Bolen's Law