College Physics Review Worksheet: Electricity

Electricity Review Worksheet

College Physics Electricity Review Worksheet Very Easy 50 Questions 10 Views

Classroom Worksheet

College Physics Review Worksheet: Electricity

Electricity Review Worksheet

Name____________________________

Date________________

Score______ / 50

Grade: College

Subject: Physics

Topic: Electricity

Time: 20 Minutes

Difficulty: Very Easy

Questions: 50

Instructions:
Answer each question in a clear, concise way. Begin with the most basic ideas and move toward slightly more challenging ones. Show units when needed. Use standard physics terms and keep your work organized.

Skills Practiced:

Electricity
Physics
Critical Thinking
Problem Solving

1Question

What is electricity?

2Question

What particle has a negative electric charge?

3Question

What particle has a positive electric charge?

4Question

What is the unit of electric charge?

5Question

What is the unit of electric current?

6Question

What is the unit of electric potential difference?

7Question

What is the unit of electrical resistance?

8Question

What instrument is used to measure current?

9Question

What instrument is used to measure voltage?

10Question

What instrument is used to measure resistance?

11Question

What is the basic formula for Ohm’s law?

12Question

In Ohm’s law, what does I represent?

13Question

In Ohm’s law, what does R represent?

14Question

If voltage increases and resistance stays the same, what happens to current?

15Question

If resistance increases and voltage stays the same, what happens to current?

16Question

What is a conductor?

17Question

What is an insulator?

18Question

Name one good conductor of electricity.

19Question

Name one good insulator of electricity.

20Question

What is electric current?

21Question

What is the conventional direction of current flow?

22Question

What is the direction of electron flow?

23Question

What is electrical resistance?

24Question

What is a circuit?

25Question

What is a closed circuit?

26Question

What is an open circuit?

27Question

What does a battery do in a circuit?

28Question

What is one common source of direct current?

29Question

What does DC stand for?

30Question

What does AC stand for?

31Question

What is the main difference between AC and DC?

32Question

What happens to the brightness of a bulb if more current flows through it?

33Question

In a series circuit, how many paths are there for current?

34Question

In a parallel circuit, how many paths are there for current?

35Question

Which circuit type keeps components working if one branch opens: series or parallel?

36Question

What happens to current in a series circuit when more resistors are added?

37Question

What happens to total resistance in a series circuit when more resistors are added?

38Question

What happens to total resistance in a parallel circuit when more branches are added?

39Question

What is electrical power?

40Question

What is the unit of electrical power?

41Question

What is the formula for electrical power using voltage and current?

42Question

If a device uses 10 V and 2 A, what is its power?

43Question

If a resistor has 12 V across it and a current of 3 A through it, what is its resistance?

44Question

If a resistor is 6 Ω and the current is 2 A, what is the voltage across it?

45Question

If voltage is 9 V and resistance is 3 Ω, what is the current?

46Question

What is electrical energy commonly measured in for household use?

47Question

What safety device protects a circuit by breaking the path when current is too high?

48Question

Why is a fuse useful in a circuit?

49Question

What is static electricity?

50Question

What is one way to reduce the risk of electric shock?

Answer Key

#	Answer
1	Electricity is the study and use of electric charge and its effects.
2	An electron.
3	A proton.
4	The coulomb (C).
5	The ampere (A).
6	The volt (V).
7	The ohm (Ω).
8	An ammeter.
9	A voltmeter.
10	An ohmmeter.
11	V = IR.
12	Current.
13	Resistance.
14	Current increases.
15	Current decreases.
16	A material that allows electric charge to move easily.
17	A material that resists the flow of electric charge.
18	Copper.
19	Rubber.
20	The flow of electric charge.
21	From positive to negative.
22	From negative to positive.
23	A measure of how much a material opposes current flow.
24	A closed path through which electric current can flow.
25	A complete circuit that allows current to flow.
26	A broken circuit that does not allow current to flow.
27	It provides electrical energy or potential difference.
28	A battery.
29	Direct current.
30	Alternating current.
31	DC flows in one direction, while AC changes direction periodically.
32	It usually gets brighter.
33	One path.
34	More than one path.
35	Parallel.
36	The current decreases.
37	Total resistance increases.
38	Total resistance decreases.
39	The rate at which electrical energy is used or transferred.
40	The watt (W).
41	P = VI.
42	20 W.
43	4 Ω.
44	12 V.
45	3 A.
46	Kilowatt-hours (kWh).
47	A fuse or circuit breaker.
48	It protects the circuit from excessive current.
49	A buildup of electric charge on an object.
50	Do not touch exposed wires or use damaged electrical cords.