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Worksheets

Basic Electricity Test

Total questions: 25

Worksheet time: 11mins

Name
Class
Date
1.

Thomas Edison was in favor of Alternating Current AC.

a)

True

b)

False

2.

One of the biggest advantages of AC is its ability to be transformed into higher or lower voltages.

a)

True

b)

False

3.

The resistance of electrical wires traveling long distances can be easily overcome by DC voltages.

a)

True

b)

False

4.

Current is the potential force found within electrical circuits.

a)

True

b)

False

5.

You must energize a circuit to measure current or voltage.

a)

True

b)

False

6.

Current can be thought of as the flow of electrons.

a)

True

b)

False

7.

If the voltage of a circuit remains the same while the resistance decreases, current will increase.

a)

True

b)

False

8.

Increased current flow in a circuit could be caused by a short circuit.

a)

True

b)

False

9.

Opposition to the flow of current is voltage.

a)

True

b)

False

10.

If a normally functioning circuit malfunctions and opens, the overall resistance of that circuit increase.

a)

True

b)

False

11.

Select the correct resistor color code order for values 0-9.

a)

B G R O Y B B V G W

b)

B B O Y R G V B G W

c)

B O Y G R B V W G

d)

B B R O Y G B V G W

12.

Convert 3.9K Ohms to base units.

a)

390 Ohms

b)

3,900 Ohms

c)

39 Ohms

d)

3.9 Ohms

13.

Convert 4.5M Ohms to base units.

a)

4,500,000 Ohms

b)

4,500 Ohms

c)

450 Ohms

d)

4.5K Ohms

14.

Simplify .003 Amps by conversion.

a)

300mA

b)

3MA

c)

3mA

d)

30mA

15.

Simplify .000025 Amps by conversion.

a)

25uA

b)

25A

c)

250mA

d)

2.5uA

16.

The number 1 in the drawing represents what electrical property?

a)

Capacitance

b)

Resistance

c)

Current

d)

Voltage

17.

The number 2 in the drawing represents what electrical property?

a)

Capacitance

b)

Resistance

c)

Current

d)

Voltage

18.

The number 3 in the drawing represents what electrical property?

a)

Capacitance

b)

Resistance

c)

Current

d)

Voltage

19.

In a series circuit, the total resistance is the sum of all of the resistors in the circuit.

a)

True

b)

False

20.

In a series circuit, the total current is the sum of all of the current in the circuit.

a)

True

b)

False

21.

In a series circuit, the voltage is constant.

a)

True

b)

False

22.

In a parallel circuit, the voltage is constant.

a)

True

b)

False

23.

In a parallel circuit, total current is the sum of all the current in the circuit.

a)

True

b)

False

24.

In a parallel circuit, total resistance is always higher than the highest individual resistor.

a)

True

b)

False

25.

If you have a 24 ohm resistor and a 24 ohm resistor in parallel, the Rt of the circuit will be:

a)

48 Ohms

b)

24 Ohms

c)

12 Ohms

d)

6 Ohms