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Worksheets

Resistors

Total questions: 15

Worksheet time: 9mins

Name
Class
Date
1.

2.2K can be rewritten as

a)

2.2

b)

22

c)

220

d)

2200

2.

As the resistance of a circuit increases, the current will...

a)

increase

b)

decrease

c)

stay the same

3.

Which of these colors is NOT used in the resistor value color code?

a)

white

b)

black

c)

violet

d)

pink

4.

What is the purpose of a resistor?

a)

allow current flow

b)

control current flow

c)

prevent current flow

d)

allow heat to build up

5.
Which resistor will prevent the most current flow?
a)
1 ohm
b)
100 ohms
c)
1000 ohms
d)
0.5k ohms
6.
Which one, top or bottom, offers more resistance?
a)
top
b)
bottom
c)
neither
7.
Which one, top or bottom, will give off more heat?
a)
top
b)
bottom
c)
neither
8.

What is the unit of measurement for resistance?

a)

Voltage

b)

Ampere

c)

Watts

d)

Ohms

9.

Ohm's Law states that

a)

c2 = a2 + b2

b)

E = mc2

c)

voltage = current x resistance (V=IR)

d)

y = mx + b

10.

The K stands for

a)

hundred

b)

thousand

c)

millions

d)

millis

11.

The M stands for

a)

millis

b)

thousands

c)

hundreds

d)

millions

12.

What is this symbol?

a)

resistor

b)

battery

c)

capacitor

d)

photo switch

13.

What is the value of a resistor with the colour code: Red, Orange, Green?

a)

234 ohms

b)

20004 ohms

c)

230000 ohms

14.
The gold color band refers to__________tolerance.
a)
 + / - 20%
b)
 + / - 10%
c)
 + / - 5%
d)
zero
15.

If the fourth color band old is gold on a 100 ohm resistor. The range for the tolerance is between_____and ______

a)

95 and 105

b)

- 95% and + 110%

c)

+ / - 5% of 1K

d)

-80% and + 120%